diff --git a/NuEVI/FilterOnePole.cpp b/NuEVI/FilterOnePole.cpp
new file mode 100644
index 0000000..478cd03
--- /dev/null
+++ b/NuEVI/FilterOnePole.cpp
@@ -0,0 +1,240 @@
+// Copyright 2014 Jonathan Driscoll
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "FilterOnePole.h"
+
+#include <Arduino.h>
+
+FilterOnePole::FilterOnePole( FILTER_TYPE ft, float fc, float initialValue ) {
+  setFilter( ft, fc, initialValue );
+}
+
+void FilterOnePole::setFilter( FILTER_TYPE ft, float fc, float initialValue ) {
+  FT = ft;
+  setFrequency( fc );
+
+  Y = initialValue;
+  Ylast = initialValue;
+  X = initialValue;
+
+  LastUS = micros();
+}
+
+float FilterOnePole::input( float inVal ) {
+  long time = micros();
+  ElapsedUS = float(time - LastUS);   // cast to float here, for math
+  LastUS = time;                      // update this now
+
+  // shift the data values
+  Ylast = Y;
+  X = inVal;                          // this is now the most recent input value
+
+  // filter value is controlled by a parameter called X
+  // tau is set by the user in microseconds, but must be converted to samples here
+  TauSamps = TauUS / ElapsedUS;
+
+  float ampFactor;
+#ifdef ARM_FLOAT
+  ampFactor = expf( -1.0 / TauSamps );     // this is 1 if called quickly
+#else
+  ampFactor = exp( -1.0 / TauSamps );      // this is 1 if called quickly
+#endif
+
+  Y = (1.0-ampFactor)*X + ampFactor*Ylast;     // set the new value
+
+  return output();
+}
+
+void FilterOnePole::setFrequency( float newFrequency ) {
+  setTau( 1.0/(TWO_PI*newFrequency ) ); // τ=1/ω
+}
+
+void FilterOnePole::setTau( float newTau ) {
+  TauUS = newTau * 1e6;
+}
+
+float FilterOnePole::output() {
+    // figure out which button to read
+  switch (FT) {
+    case LOWPASS:
+      // return the last value
+      return Y;
+      break;
+    case INTEGRATOR:
+      // using a lowpass, but normaize
+      return Y * (TauUS/1.0e6);
+      break;
+    case HIGHPASS:
+      // highpass is the _difference_
+      return X-Y;
+      break;
+    case DIFFERENTIATOR:
+      // like a highpass, but normalize
+      return (X-Y)/(TauUS/1.0e6);
+      break;
+    default:
+      // should never get to here, return 0 just in case
+      return 0;
+  }
+}
+
+void FilterOnePole::print() {
+  Serial.println("");
+  Serial.print(" Y: ");        Serial.print( Y );
+  Serial.print(" Ylast: ");      Serial.print( Ylast );
+  Serial.print(" X ");         Serial.print( X );
+  Serial.print(" ElapsedUS ");  Serial.print( ElapsedUS );
+  Serial.print(" TauSamps: ");  Serial.print( TauSamps );
+  //Serial.print(" ampFactor " );       Serial.print( ampFactor );
+  Serial.print(" TauUS: ");     Serial.print( TauUS );
+  Serial.println("");
+}
+
+void FilterOnePole::test() {
+  float tau = 10;
+  float updateInterval = 1;
+  float nextupdateTime = millis()*1e-3;
+
+  float inputValue = 0;
+  FilterOnePole hp( HIGHPASS, tau, inputValue );
+  FilterOnePole lp( LOWPASS, tau, inputValue );
+
+  while( true ) {
+    float now = millis()*1e-3;
+
+    // switch input values on a 20 second cycle
+    if( round(now/20.0)-(now/20.0) < 0 )
+    inputValue = 0;
+    else
+    inputValue = 100;
+
+    hp.input(inputValue);
+    lp.input(inputValue);
+
+    if( now > nextupdateTime ) {
+      nextupdateTime += updateInterval;
+
+      Serial.print("inputValue: "); Serial.print( inputValue );
+      Serial.print("\t high-passed: "); Serial.print( hp.output() );
+      Serial.print("\t low-passed: "); Serial.print( lp.output() );
+      Serial.println();
+    }
+  }
+}
+
+void FilterOnePole::setToNewValue( float newVal ) {
+  Y = Ylast = X = newVal;
+}
+
+
+// stuff for filter2 (lowpass only)
+// should be able to set a separate fall time as well
+FilterOnePoleCascade::FilterOnePoleCascade( float riseTime, float initialValue ) {
+  setRiseTime( riseTime );
+  setToNewValue( initialValue );
+}
+
+void FilterOnePoleCascade::setRiseTime( float riseTime ) {
+  float tauScale = 3.36;      // found emperically, by running test();
+
+  Pole1.setTau( riseTime / tauScale );
+  Pole2.setTau( riseTime / tauScale );
+}
+
+float FilterOnePoleCascade::input( float inVal  ) {
+  Pole2.input( Pole1.input( inVal ));
+  return output();
+}
+
+// clears out the values in the filter
+void FilterOnePoleCascade::setToNewValue( float newVal ) {
+  Pole1.setToNewValue( newVal );
+  Pole2.setToNewValue( newVal );
+}
+
+float FilterOnePoleCascade::output() {
+  return Pole2.output();
+}
+
+void FilterOnePoleCascade::test() {
+  // make a filter, how fast does it run:
+
+  float rise = 1.0;
+  FilterOnePoleCascade myFilter( rise );
+
+  // first, test the filter speed ...
+  long nLoops = 1000;
+
+  Serial.print( "testing filter with a rise time of ");
+  Serial.print( rise ); Serial.print( "s" );
+
+  Serial.print( "\n running filter speed loop ... ");
+
+  float startTime, stopTime;
+
+  startTime = millis()*1e-3;
+  for( long i=0; i<nLoops; ++i ) {
+    myFilter.input( PI );   // use pi, so it will actually do a full calculation
+  }
+  stopTime = millis()*1e-3;
+
+  Serial.print( "done, filter runs at " );
+  Serial.print( float(nLoops) / (stopTime - startTime) );
+  Serial.print( " hz " );
+  Serial.print( "\n filter value: " ); Serial.print( myFilter.output() );
+
+  myFilter.setToNewValue( 0.0 );
+  Serial.print( "\n after reset to 0: "); Serial.print( myFilter.output() );
+
+  Serial.print( "\n testing rise time (10% to 90%) ...");
+
+  bool crossedTenPercent = false;
+  while( myFilter.output() < 0.9 ) {
+    myFilter.input( 1.0 );
+    if( myFilter.output() > 0.1 && !crossedTenPercent ) {
+      // filter first crossed the 10% point
+      startTime = millis()*1e-3;
+      crossedTenPercent = true;
+    }
+  }
+  stopTime = millis()*1e-3;
+
+  Serial.print( "done, rise time: " ); Serial.print( stopTime-startTime );
+
+  Serial.print( "testing attenuation at f = 1/risetime" );
+
+  myFilter.setToNewValue( 0.0 );
+
+  float maxVal = 0;
+  float valWasOutputThisCycle = true;
+
+  __unused float lastFilterVal = 0;
+
+  while( true ) {
+    float now = 1e-3*millis();
+
+    float currentFilterVal = myFilter.input( sin( TWO_PI*now) );
+
+    if( currentFilterVal < 0.0 ) {
+      if( !valWasOutputThisCycle ) {
+        // just crossed below zero, output the max
+        Serial.print( maxVal*100 ); Serial.print( " %\n" );
+        valWasOutputThisCycle = true;
+      }
+
+    }
+
+  }
+
+}
diff --git a/NuEVI/FilterOnePole.h b/NuEVI/FilterOnePole.h
new file mode 100644
index 0000000..cf55b86
--- /dev/null
+++ b/NuEVI/FilterOnePole.h
@@ -0,0 +1,89 @@
+// Copyright 2014 Jonathan Driscoll
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// FilterOnePole has been copied from https://github.com/JonHub/Filters
+
+
+#ifndef FilterOnePole_h
+#define FilterOnePole_h
+
+enum FILTER_TYPE {
+  HIGHPASS,
+  LOWPASS,
+  INTEGRATOR,
+  DIFFERENTIATOR
+};
+
+// the recursive filter class implements a recursive filter (low / pass / highpass
+// note that this must be updated in a loop, using the most recent acquired values and the time acquired
+//   Y = a0*X + a1*Xm1
+//              + b1*Ylast
+struct FilterOnePole {
+  FILTER_TYPE FT;
+  float TauUS;       // decay constant of the filter, in US
+  float TauSamps;    // tau, measued in samples (this changes, depending on how long between input()s
+
+  // filter values - these are public, but should not be set externally
+  float Y;       // most recent output value (gets computed on update)
+  float Ylast;   // prevous output value
+
+  float X;      // most recent input value
+
+  // elapsed times are kept in long, and will wrap every
+  // 35 mins, 47 seconds ... however, the wrap does not matter,
+  // because the delta will still be correct (always positive and small)
+  float ElapsedUS;   // time since last update
+  long LastUS;       // last time measured
+
+  FilterOnePole( FILTER_TYPE ft=LOWPASS, float fc=1.0, float initialValue=0 );
+
+  // sets or resets the parameters and state of the filter
+  void setFilter( FILTER_TYPE ft, float tauS, float initialValue );
+
+  void setFrequency( float newFrequency );
+
+  void setTau( float newTau );
+
+  float input( float inVal );
+
+  float output();
+
+  void print();
+
+  void test();
+
+  void setToNewValue( float newVal );  // resets the filter to a new value
+};
+
+// two pole filter, these are very useful
+struct FilterOnePoleCascade {
+
+  FilterOnePole Pole1;
+  FilterOnePole Pole2;
+
+  FilterOnePoleCascade( float riseTime=1.0, float initialValue=0 );  // rise time to step function, 10% to 90%
+
+  // rise time is 10% to 90%, for a step input
+  void setRiseTime( float riseTime );
+
+  void setToNewValue( float newVal );
+
+  float input( float inVal );
+
+  float output();
+
+  void test();
+};
+
+#endif
diff --git a/NuEVI/NuEVI.ino b/NuEVI/NuEVI.ino
index 23b5ba2..2f22029 100644
--- a/NuEVI/NuEVI.ino
+++ b/NuEVI/NuEVI.ino
@@ -1,16 +1,16 @@
 #include <Wire.h>
-
 #include <Adafruit_MPR121.h>
 #include <SPI.h>
 #include <EEPROM.h>
-#include <Filters.h>  // for the breath signal LP filtering, https://github.com/edgar-bonet/Filters
 
+#include "FilterOnePole.h"  // for the breath signal low-pass filtering, from https://github.com/JonHub/Filters
 #include "globals.h"
 #include "hardware.h"
 #include "midi.h"
 #include "menu.h"
 #include "config.h"
 #include "settings.h"
+#include "led.h"
 
 /*
 NAME:                 NuEVI
@@ -80,6 +80,11 @@ unsigned short vibControl = 0;
 
 unsigned short fastPatch[7] = {0,0,0,0,0,0,0};
 
+uint16_t bcasMode; //Legacy CASSIDY compile flag
+uint16_t trill3_interval;
+uint16_t fastBoot;
+uint16_t dacMode;
+
 byte rotatorOn = 0;
 byte currentRotation = 0;
 uint16_t rotations[4]; // semitones { -5, -10, -7, -14 };
@@ -90,8 +95,6 @@ uint16_t gateOpenEnable = 0;
 
 uint16_t specialKeyEnable = 0;
 
-uint16_t wlPower = 0;
-
 int touch_Thr = 1300;
 
 byte ccList[11] = {0,1,2,7,11,1,2,7,11,74,20};  // OFF, Modulation, Breath, Volume, Expression (then same sent in hires), CC74 (cutoff/brightness), CC20 (UNO Cutoff)
@@ -230,9 +233,6 @@ byte slurSustain = 0;
 byte parallelChord = 0;
 byte subOctaveDouble = 0;
 
-const int breathLedBrightness = 500; // up to 4095, PWM
-const int portamLedBrightness = 500; // up to 4095, PWM
-
 Adafruit_MPR121 touchSensor = Adafruit_MPR121(); // This is the 12-input touch sensor
 FilterOnePole breathFilter;
 
@@ -260,126 +260,10 @@ void setup() {
   pinMode(biteJumperGndPin, OUTPUT);    //PBITE
   digitalWrite(biteJumperGndPin, LOW);  //PBITE
 
-  // if stored settings are not for current version, or Enter+Menu are pressed at startup, they are replaced by factory settings
 
-  uint16_t settingsVersion = readSetting(VERSION_ADDR);
+  //Read eeprom data into global vars
+  readEEPROM();
 
-  if (((settingsVersion != VERSION) && (settingsVersion < 24)) || (!digitalRead(ePin) && !digitalRead(mPin)) || (settingsVersion == 0xffffu)) {
-    writeSetting(VERSION_ADDR,VERSION);
-    writeSetting(BREATH_THR_ADDR,BREATH_THR_FACTORY);
-    writeSetting(BREATH_MAX_ADDR,BREATH_MAX_FACTORY);
-      if (digitalRead(biteJumperPin)){ //PBITE (if pulled low with jumper, pressure sensor is used instead of capacitive bite sensing)
-        writeSetting(PORTAM_THR_ADDR,PORTAM_THR_FACTORY);  
-        writeSetting(PORTAM_MAX_ADDR,PORTAM_MAX_FACTORY); 
-      } else {
-        writeSetting(PORTAM_THR_ADDR,PORTPR_THR_FACTORY);  
-        writeSetting(PORTAM_MAX_ADDR,PORTPR_MAX_FACTORY); 
-      }
-    writeSetting(PITCHB_THR_ADDR,PITCHB_THR_FACTORY);
-    writeSetting(PITCHB_MAX_ADDR,PITCHB_MAX_FACTORY);
-    writeSetting(EXTRAC_THR_ADDR,EXTRAC_THR_FACTORY);
-    writeSetting(EXTRAC_MAX_ADDR,EXTRAC_MAX_FACTORY);
-    writeSetting(CTOUCH_THR_ADDR,CTOUCH_THR_FACTORY);
-  }
-
-  if ((settingsVersion != VERSION) || (!digitalRead(ePin) && !digitalRead(mPin))) {
-    writeSetting(VERSION_ADDR,VERSION);
-    
-    writeSetting(TRANSP_ADDR,TRANSP_FACTORY);
-    writeSetting(MIDI_ADDR,MIDI_FACTORY);
-    writeSetting(BREATH_CC_ADDR,BREATH_CC_FACTORY);
-    writeSetting(BREATH_AT_ADDR,BREATH_AT_FACTORY);
-    writeSetting(VELOCITY_ADDR,VELOCITY_FACTORY);
-    writeSetting(PORTAM_ADDR,PORTAM_FACTORY);
-    writeSetting(PB_ADDR,PB_FACTORY);
-    writeSetting(EXTRA_ADDR,EXTRA_FACTORY);
-    writeSetting(VIBRATO_ADDR,VIBRATO_FACTORY);
-    writeSetting(DEGLITCH_ADDR,DEGLITCH_FACTORY);
-    writeSetting(PATCH_ADDR,PATCH_FACTORY);
-    writeSetting(OCTAVE_ADDR,OCTAVE_FACTORY);
-    writeSetting(BREATHCURVE_ADDR,BREATHCURVE_FACTORY);
-    writeSetting(VEL_SMP_DL_ADDR,VEL_SMP_DL_FACTORY);
-    writeSetting(VEL_BIAS_ADDR,VEL_BIAS_FACTORY);
-    writeSetting(PINKY_KEY_ADDR,PINKY_KEY_FACTORY);
-    writeSetting(FP1_ADDR,0);
-    writeSetting(FP2_ADDR,0);
-    writeSetting(FP3_ADDR,0);
-    writeSetting(FP4_ADDR,0);
-    writeSetting(FP5_ADDR,0);
-    writeSetting(FP6_ADDR,0);
-    writeSetting(FP7_ADDR,0);
-    writeSetting(DIPSW_BITS_ADDR,DIPSW_BITS_FACTORY);
-    writeSetting(PARAL_ADDR,PARAL_FACTORY);
-    writeSetting(ROTN1_ADDR,ROTN1_FACTORY);
-    writeSetting(ROTN2_ADDR,ROTN2_FACTORY);
-    writeSetting(ROTN3_ADDR,ROTN3_FACTORY);
-    writeSetting(ROTN4_ADDR,ROTN4_FACTORY);
-    writeSetting(PRIO_ADDR,PRIO_FACTORY);
-    writeSetting(VIB_SENS_ADDR,VIB_SENS_FACTORY);
-    writeSetting(VIB_RETN_ADDR,VIB_RETN_FACTORY);
-    writeSetting(VIB_SQUELCH_ADDR,VIB_SQUELCH_FACTORY);
-    writeSetting(VIB_DIRECTION_ADDR,VIB_DIRECTION_FACTORY);
-    writeSetting(BREATH_CC2_ADDR,BREATH_CC2_FACTORY);
-    writeSetting(BREATH_CC2_RISE_ADDR,BREATH_CC2_RISE_FACTORY);
-    writeSetting(VIB_SENS_BITE_ADDR,VIB_SENS_BITE_FACTORY);
-    writeSetting(VIB_SQUELCH_BITE_ADDR,VIB_SQUELCH_BITE_FACTORY);
-    writeSetting(VIB_CONTROL_ADDR,VIB_CONTROL_FACTORY);
-  }
-  // read settings from EEPROM
-  breathThrVal = readSetting(BREATH_THR_ADDR);
-  breathMaxVal = readSetting(BREATH_MAX_ADDR);
-  portamThrVal = readSetting(PORTAM_THR_ADDR);
-  portamMaxVal = readSetting(PORTAM_MAX_ADDR);
-  pitchbThrVal = readSetting(PITCHB_THR_ADDR);
-  pitchbMaxVal = readSetting(PITCHB_MAX_ADDR);
-  transpose    = readSetting(TRANSP_ADDR);
-  MIDIchannel  = readSetting(MIDI_ADDR);
-  breathCC     = readSetting(BREATH_CC_ADDR);
-  breathAT     = readSetting(BREATH_AT_ADDR);
-  velocity     = readSetting(VELOCITY_ADDR);
-  portamento   = readSetting(PORTAM_ADDR);
-  PBdepth      = readSetting(PB_ADDR);
-  extraCT      = readSetting(EXTRA_ADDR);
-  vibrato      = readSetting(VIBRATO_ADDR);
-  deglitch     = readSetting(DEGLITCH_ADDR);
-  extracThrVal = readSetting(EXTRAC_THR_ADDR);
-  extracMaxVal = readSetting(EXTRAC_MAX_ADDR);
-  patch        = readSetting(PATCH_ADDR);
-  octave       = readSetting(OCTAVE_ADDR);
-  ctouchThrVal = readSetting(CTOUCH_THR_ADDR);
-  curve        = readSetting(BREATHCURVE_ADDR);
-  velSmpDl     = readSetting(VEL_SMP_DL_ADDR);
-  velBias      = readSetting(VEL_BIAS_ADDR);
-  pinkySetting = readSetting(PINKY_KEY_ADDR);
-  fastPatch[0] = readSetting(FP1_ADDR);
-  fastPatch[1] = readSetting(FP2_ADDR);
-  fastPatch[2] = readSetting(FP3_ADDR);
-  fastPatch[3] = readSetting(FP4_ADDR);
-  fastPatch[4] = readSetting(FP5_ADDR);
-  fastPatch[5] = readSetting(FP6_ADDR);
-  fastPatch[6] = readSetting(FP7_ADDR);
-  dipSwBits    = readSetting(DIPSW_BITS_ADDR);
-  parallel     = readSetting(PARAL_ADDR);
-  rotations[0] = readSetting(ROTN1_ADDR);
-  rotations[1] = readSetting(ROTN2_ADDR);
-  rotations[2] = readSetting(ROTN3_ADDR);
-  rotations[3] = readSetting(ROTN4_ADDR);
-  priority     = readSetting(PRIO_ADDR);
-  vibSens      = readSetting(VIB_SENS_ADDR);
-  vibRetn      = readSetting(VIB_RETN_ADDR);
-  vibSquelch   = readSetting(VIB_SQUELCH_ADDR);
-  vibDirection = readSetting(VIB_DIRECTION_ADDR);
-  breathCC2    = readSetting(BREATH_CC2_ADDR);
-  breathCC2Rise   = readSetting(BREATH_CC2_RISE_ADDR);
-  vibSensBite     = readSetting(VIB_SENS_BITE_ADDR);
-  vibSquelchBite  = readSetting(VIB_SQUELCH_BITE_ADDR);
-  vibControl      = readSetting(VIB_CONTROL_ADDR);
-
-  legacy = dipSwBits & (1<<1);
-  legacyBrAct = dipSwBits & (1<<2);
-  slowMidi = dipSwBits & (1<<3);
-  gateOpenEnable = dipSwBits & (1<<4);
-  specialKeyEnable = dipSwBits & (1<<5);
   activePatch = patch;
 
   touch_Thr = map(ctouchThrVal,ctouchHiLimit,ctouchLoLimit,ttouchLoLimit,ttouchHiLimit);
@@ -404,9 +288,10 @@ void setup() {
     vibZero += touchRead(vibratoPin);
     breathCalZero += analogRead(breathSensorPin);
     if (biteJumper) vibZeroBite += analogRead(A7); else vibZeroBite += touchRead(bitePin);
-    digitalWrite( statusLedPin, i&1 );
-    delay(250);
+    statusLed(i&1);
+    delay(fastBoot?75:250); //Shorter delay for fastboot
   }
+
   vibZero /= sampleCount;
   breathCalZero /= sampleCount;
   vibZeroBite /= sampleCount;
@@ -416,15 +301,14 @@ void setup() {
   vibThrBite = vibZeroBite - vibSquelchBite;
   vibThrBiteLo = vibZeroBite + vibSquelchBite;
 
-  digitalWrite(statusLedPin, LOW);
-  delay(250);
-  digitalWrite(statusLedPin,HIGH);
-  delay(250);
-  digitalWrite(statusLedPin,LOW);
+  if(!fastBoot) {
+    statusLedFlash(500);
+    statusLedOff();
 
-  showVersion();
+    showVersion();
 
-  delay(1500);
+    delay(1500);
+  }
 
   mainState = NOTE_OFF;       // initialize main state machine
 
@@ -438,7 +322,7 @@ void setup() {
 
   //Serial.begin(9600); // debug
 
-  digitalWrite(statusLedPin,HIGH); // Switch on the onboard LED to indicate power on/ready
+  statusLedOn();    // Switch on the onboard LED to indicate power on/ready
 
 }
 
@@ -469,54 +353,37 @@ void loop() {
       mainState = RISE_WAIT; // Go to next state
     }
     if (legacy || legacyBrAct) {
-      #if defined(CASSIDY)
-      if (((pbUp > ((pitchbMaxVal + pitchbThrVal) / 2)) && (pbDn > ((pitchbMaxVal + pitchbThrVal) / 2)) && legacy) ||
-          ((analogRead(breathSensorPin) < breathCalZero - 900) && legacyBrAct)) { // both pb pads touched or br suck
-      #else
-      if (((pbUp > ((pitchbMaxVal + pitchbThrVal) / 2)) && (pbDn > ((pitchbMaxVal + pitchbThrVal) / 2)) && legacy) ||
-          ((analogRead(breathSensorPin) < breathCalZero - 800) && legacyBrAct && (pbUp > (pitchbMaxVal + pitchbThrVal) / 2) && (pbDn < (pitchbMaxVal + pitchbThrVal) / 2))) { // both pb pads touched or br suck
-      #endif  
+
+      bool bothPB = (pbUp > ((pitchbMaxVal + pitchbThrVal) / 2)) && (pbDn > ((pitchbMaxVal + pitchbThrVal) / 2));
+      bool brSuck = analogRead(breathSensorPin) < (breathCalZero - (bcasMode?900:800));
+      
+      if (
+          (bothPB && legacy) ||
+          (brSuck && legacyBrAct && (bothPB || bcasMode))
+          ) { // both pb pads touched or br suck
+
+
         fingeredNoteUntransposed = patchLimit(fingeredNoteUntransposed + 1);
         if (exSensor >= ((extracThrVal + extracMaxVal) / 2)) { // instant midi setting     
           if ((fingeredNoteUntransposed >= 73) && (fingeredNoteUntransposed <= 88)) {
             MIDIchannel = fingeredNoteUntransposed - 72; // Mid C and up 
-            #if !defined(CASSIDY)
-            digitalWrite(statusLedPin, LOW);
-            delay(150);
-            digitalWrite(statusLedPin, HIGH);
-            #endif
           }
         } else {
           if (!pinkyKey) { // note number to patch number
             if (patch != fingeredNoteUntransposed) {
               patch = fingeredNoteUntransposed;
               doPatchUpdate = 1;
-              #if !defined(CASSIDY)
-              digitalWrite(statusLedPin, LOW);
-              delay(150);
-              digitalWrite(statusLedPin, HIGH);
-              #endif
             }
           } else { // hi and lo patch numbers
             if (fingeredNoteUntransposed > 75) {
               if (patch != patchLimit(fingeredNoteUntransposed + 24)) {
                 patch = patchLimit(fingeredNoteUntransposed + 24); // add 24 to get high numbers 108 to 127
                 doPatchUpdate = 1;
-                #if !defined(CASSIDY)
-                digitalWrite(statusLedPin, LOW);
-                delay(150);
-                digitalWrite(statusLedPin, HIGH);
-                #endif
               }
             } else {
               if (patch != patchLimit(fingeredNoteUntransposed - 36)) {
                 patch = patchLimit(fingeredNoteUntransposed - 36); // subtract 36 to get low numbers 0 to 36
                 doPatchUpdate = 1;
-                #if !defined(CASSIDY)
-                digitalWrite(statusLedPin, LOW);
-                delay(150);
-                digitalWrite(statusLedPin, HIGH);
-                #endif
               }
             }
           }
@@ -817,7 +684,7 @@ void loop() {
     } else {
       if (slowMidi) breath();
       extraController();
-      statusLEDs();
+      updateSensorLEDs();
       doorKnobCheck();
     }
     ccSendTime = millis();
@@ -827,14 +694,14 @@ void loop() {
     // this is one of the big reasons the display is for setup use only
     drawSensorPixels(); // live sensor monitoring for the setup screens
     if (rotatorOn || slurSustain || parallelChord || subOctaveDouble || gateOpen) {
-      digitalWrite(statusLedPin, !digitalRead(statusLedPin));
-    } else if (!digitalRead(statusLedPin)) {
-      digitalWrite(statusLedPin, HIGH);
+      statusLedFlip();
+    } else {
+      statusLedOn();
     }
     pixelUpdateTime = millis();
   }
 
-  #if defined(CVSCALEBOARD) // pitch CV from DAC and breath CV from PWM on pin 6, for filtering and scaling on separate board
+  if(dacMode == DAC_MODE_PITCH) { // pitch CV from DAC and breath CV from PWM on pin 6, for filtering and scaling on separate board
     targetPitch = (fingeredNote-24)*42;
     if (portIsOn){
       if (targetPitch > cvPitch){
@@ -851,9 +718,9 @@ void loop() {
     }
     analogWrite(dacPin,constrain(cvPitch+map(pitchBend,0,16383,-84,84),0,4095));
     analogWrite(pwmDacPin,breathCurve(map(constrain(pressureSensor,breathThrVal,breathMaxVal),breathThrVal,breathMaxVal,500,4095))); //starting at 0.6V to match use of cv from sensor, so recalibration of cv offset/scaler is not needed
-  #else // else breath CV on DAC pin, directly to unused pin of MIDI DIN jack
+  } else if(dacMode == DAC_MODE_BREATH) { // else breath CV on DAC pin, directly to unused pin of MIDI DIN jack
     analogWrite(dacPin,breathCurve(map(constrain(pressureSensor,breathThrVal,breathMaxVal),breathThrVal,breathMaxVal,0,4095)));
-  #endif
+  }
 
   midiDiscardInput();
 
@@ -908,23 +775,6 @@ int patchLimit(int value) {
 
 //**************************************************************
 
-void statusLEDs() {
-  if (breathLevel > breathThrVal) { // breath indicator LED, labeled "B" on PCB
-    //analogWrite(bLedPin, map(breathLevel,0,4096,5,breathLedBrightness));
-    analogWrite(bLedPin, map(constrain(breathLevel, breathThrVal, breathMaxVal), breathThrVal, breathMaxVal, 5, breathLedBrightness));
-  } else {
-    analogWrite(bLedPin, 0);
-  }
-  if (portIsOn) { // portamento indicator LED, labeled "P" on PCB
-    //analogWrite(pLedPin, map(biteSensor,0,4096,5,portamLedBrightness));
-    analogWrite(pLedPin, map(constrain(oldport, 0, 127), 0, 127, 5, portamLedBrightness));
-  } else {
-    analogWrite(pLedPin, 0);
-  }
-}
-
-//**************************************************************
-
 void breath() {
   int breathCCval, breathCCvalFine,breathCC2val;
   unsigned int breathCCvalHires;
@@ -970,8 +820,8 @@ void pitch_bend() {
   int vibMax;
   int calculatedPBdepth;
   byte pbTouched = 0;
-  int vibRead;
-  int vibReadBite;
+  int vibRead = 0;
+  int vibReadBite = 0;
   pbUp = touchRead(pbUpPin); // SENSOR PIN 23 - PCB PIN "Pu"
   pbDn = touchRead(pbDnPin); // SENSOR PIN 22 - PCB PIN "Pd"
   halfPitchBendKey = (pinkySetting == PBD) && (touchRead(halfPitchBendKeyPin) > touch_Thr); // SENSOR PIN 1  - PCB PIN "S1" - hold for 1/2 pitchbend value
@@ -1071,10 +921,10 @@ void pitch_bend() {
   pitchBend = constrain(pitchBend, 0, 16383);
 
   if (subVibSquelch && (8192 != pitchBend)) {
-    digitalWrite(statusLedPin, LOW);
+    statusLedOff();
     vibLedOff = 1;
   } else if (vibLedOff) {
-    digitalWrite(statusLedPin, HIGH);
+    statusLedOn();
     vibLedOff = 0;
   }
 
@@ -1099,25 +949,14 @@ void doorKnobCheck() {
     if ((touchValue[K4Pin] < ctouchThrVal) && (touchValue[R1Pin] < ctouchThrVal) && (touchValue[R2Pin] < ctouchThrVal) && (touchValue[R3Pin] < ctouchThrVal)) { // doorknob grip on canister
       if (!gateOpen && (pbUp > ((pitchbMaxVal + pitchbThrVal) / 2))) {
         gateOpen = 1;
-        digitalWrite(statusLedPin, LOW);
-        delay(50);
-        digitalWrite(statusLedPin, HIGH);
-        delay(50);
+        statusLedFlash(100);
       } else if (gateOpen && (pbDn > ((pitchbMaxVal + pitchbThrVal) / 2))) {
         gateOpen = 0;
         midiPanic();
-        digitalWrite(statusLedPin, LOW);
-        delay(50);
-        digitalWrite(statusLedPin, HIGH);
-        delay(50);
-        digitalWrite(statusLedPin, LOW);
-        delay(50);
-        digitalWrite(statusLedPin, HIGH);
-        delay(50);
-        digitalWrite(statusLedPin, LOW);
-        delay(50);
-        digitalWrite(statusLedPin, HIGH);
-        delay(700);
+        statusLedFlash(100);
+        statusLedFlash(100);
+        statusLedFlash(100);
+        delay(600);
       }
     }
   } else if (gateOpen) {
@@ -1258,62 +1097,44 @@ void portOff() {
 
 void readSwitches() {
   
-  int qTransp;
-  // Read touch pads (MPR121) and put value in variables
-  int touchValue[12];
+  // Read touch pads (MPR121), compare against threshold value
+  bool touchKeys[12];
   for (byte i = 0; i < 12; i++) {
-    touchValue[i] = touchSensor.filteredData(i);
+    touchKeys[i] = touchSensor.filteredData(i) < ctouchThrVal;
   }
 
   // Octave rollers
   octaveR = 0;
-  if ((touchValue[R5Pin] < ctouchThrVal) && (touchValue[R3Pin] < ctouchThrVal)) octaveR = 6; //R6 = R5 && R3
-  else if (touchValue[R5Pin] < ctouchThrVal) octaveR = 5; //R5
-  else if (touchValue[R4Pin] < ctouchThrVal) octaveR = 4; //R4
-  else if ((touchValue[R3Pin] < ctouchThrVal) && lastOctaveR) octaveR = 3; //R3
-  else if (touchValue[R2Pin] < ctouchThrVal) octaveR = 2; //R2
-  else if (touchValue[R1Pin] < ctouchThrVal) octaveR = 1; //R1
+  if (touchKeys[R5Pin] && touchKeys[R3Pin]) octaveR = 6; //R6 = R5 && R3
+  else if (touchKeys[R5Pin]) octaveR = 5; //R5
+  else if (touchKeys[R4Pin]) octaveR = 4; //R4
+  else if (touchKeys[R3Pin] && lastOctaveR) octaveR = 3; //R3
+  else if (touchKeys[R2Pin]) octaveR = 2; //R2
+  else if (touchKeys[R1Pin]) octaveR = 1; //R1
 
   lastOctaveR = octaveR;
 
   // Valves and trill keys
-  K4 = (touchValue[K4Pin] < ctouchThrVal);
-  K1 = (touchValue[K1Pin] < ctouchThrVal);
-  K2 = (touchValue[K2Pin] < ctouchThrVal);
-  K3 = (touchValue[K3Pin] < ctouchThrVal);
-  K5 = (touchValue[K5Pin] < ctouchThrVal);
-  K6 = (touchValue[K6Pin] < ctouchThrVal);
-  K7 = (touchValue[K7Pin] < ctouchThrVal);
+  K1 = touchKeys[K1Pin];
+  K2 = touchKeys[K2Pin];
+  K3 = touchKeys[K3Pin];
+  K4 = touchKeys[K4Pin];
+  K5 = touchKeys[K5Pin];
+  K6 = touchKeys[K6Pin];
+  K7 = touchKeys[K7Pin];
 
   pinkyKey = (touchRead(halfPitchBendKeyPin) > touch_Thr); // SENSOR PIN 1  - PCB PIN "S1" 
 
-  if ((pinkySetting < 12) && pinkyKey) {
-    qTransp = pinkySetting - 12;
-  } else if ((pinkySetting > 12) && pinkyKey) {
-    qTransp = pinkySetting - 12;
-  } else {
-    qTransp = 0;
-  }
+  int qTransp = pinkyKey ? pinkySetting-12 : 0;
 
   // Calculate midi note number from pressed keys  
-  #if defined(CASSIDY)
 
   fingeredNoteUntransposed = startNote
     - 2*K1 - K2 - 3*K3  //"Trumpet valves"
     - 5*K4              //Fifth key
-    + 2*K5 + K6 + 3*K7  //Trill keys (different from standard)
+    + 2*K5 + K6 + trill3_interval*K7  //Trill keys. 3rd trill key interval controlled by setting
     + octaveR*12;       //Octave rollers
 
-  #else
-
-  fingeredNoteUntransposed = startNote
-    - 2*K1 - K2 - 3*K3  //"Trumpet valves"
-    - 5*K4              //Fifth key
-    + 2*K5 + K6 + 4*K7  //Trill keys
-    + octaveR*12;       //Octave rollers
-
-  #endif
-
   int fingeredNoteRead = fingeredNoteUntransposed + transpose - 12 + qTransp;
 
   if (pinkyKey) pitchlatch = fingeredNoteUntransposed; //use pitchlatch to make settings based on note fingered
diff --git a/NuEVI/config.h b/NuEVI/config.h
index 86fae05..84520ea 100644
--- a/NuEVI/config.h
+++ b/NuEVI/config.h
@@ -5,14 +5,9 @@
 
 // Compile options, comment/uncomment to change
 
-#define FIRMWARE_VERSION "1.3.9"    // FIRMWARE VERSION NUMBER HERE <<<<<<<<<<<<<<<<<<<<<<<
-
-
-//#define CASSIDY
-#define CVSCALEBOARD
+#define FIRMWARE_VERSION "1.4.0"    // FIRMWARE VERSION NUMBER HERE <<<<<<<<<<<<<<<<<<<<<<<
 
 #define ON_Delay   20   // Set Delay after ON threshold before velocity is checked (wait for tounging peak)
-//#define touch_Thr 1200  // sensitivity for Teensy touch sensors
 #define CCN_Port 5      // Controller number for portamento level
 #define CCN_PortOnOff 65// Controller number for portamento on/off
 
@@ -21,7 +16,6 @@
 #define CC_INTERVAL 2
 
 
-// MAybe move these to config.h (as defines?)
 #define breathLoLimit   0
 #define breathHiLimit   4095
 #define portamLoLimit   700
@@ -36,4 +30,9 @@
 #define ttouchHiLimit   1900
 
 
+#define MIN_LED_BRIGHTNESS    5   // lowest PWM value that still is visible
+#define BREATH_LED_BRIGHTNESS 500 // up to 4095, PWM
+#define PORTAM_LED_BRIGHTNESS 500 // up to 4095, PWM
+
+
 #endif
diff --git a/NuEVI/globals.h b/NuEVI/globals.h
index 56d0c41..03fabd6 100644
--- a/NuEVI/globals.h
+++ b/NuEVI/globals.h
@@ -73,7 +73,11 @@ extern byte currentRotation;
 extern uint16_t rotations[4];
 extern uint16_t parallel; // semitones
 
-extern uint16_t wlPower;
+extern uint16_t bcasMode; //Legacy CASSIDY compile flag
+extern uint16_t trill3_interval;
+extern uint16_t fastBoot;
+extern uint16_t dacMode;
+
 
 extern int touch_Thr;
 
@@ -112,6 +116,10 @@ extern int vibZeroBite;
 extern int vibThrBite;
 extern int vibThrBiteLo;
 
+extern int breathLevel;
+extern byte portIsOn;
+extern int oldport;
+
 // Key variables, TRUE (1) for pressed, FALSE (0) for not pressed
 extern byte K1;   // Valve 1 (pitch change -2)
 extern byte K2;   // Valve 2 (pitch change -1)
diff --git a/NuEVI/led.cpp b/NuEVI/led.cpp
new file mode 100644
index 0000000..0f0d2f4
--- /dev/null
+++ b/NuEVI/led.cpp
@@ -0,0 +1,48 @@
+#include <Arduino.h>
+#include "hardware.h"
+#include "globals.h"
+#include "config.h"
+
+// Do things with status LED.
+void statusLedOn() {
+  digitalWrite(statusLedPin, HIGH);
+}
+
+void statusLedOff() {
+  digitalWrite(statusLedPin, LOW);
+}
+
+void statusLed(bool state) {
+  digitalWrite(statusLedPin, state);    
+}
+
+void statusLedFlip() {
+  digitalWrite(statusLedPin, !digitalRead(statusLedPin));
+}
+
+void statusLedFlash(uint16_t delayTime) {
+  statusLedOff();
+  delay(delayTime/2);
+  statusLedOn();
+  delay(delayTime/2);
+}
+
+void statusLedBlink() {
+  statusLedFlash(300);
+  statusLedFlash(300);
+}
+
+void updateSensorLEDs() {
+  if (breathLevel > breathThrVal) { // breath indicator LED, labeled "B" on PCB
+    //analogWrite(bLedPin, map(breathLevel,0,4096,5,breathLedBrightness));
+    analogWrite(bLedPin, map(constrain(breathLevel, breathThrVal, breathMaxVal), breathThrVal, breathMaxVal, MIN_LED_BRIGHTNESS, BREATH_LED_BRIGHTNESS));
+  } else {
+    analogWrite(bLedPin, 0);
+  }
+  if (portIsOn) { // portamento indicator LED, labeled "P" on PCB
+    //analogWrite(pLedPin, map(biteSensor,0,4096,5,portamLedBrightness));
+    analogWrite(pLedPin, map(constrain(oldport, 0, 127), 0, 127, MIN_LED_BRIGHTNESS, PORTAM_LED_BRIGHTNESS));
+  } else {
+    analogWrite(pLedPin, 0);
+  }
+}
\ No newline at end of file
diff --git a/NuEVI/led.h b/NuEVI/led.h
new file mode 100644
index 0000000..cd893d1
--- /dev/null
+++ b/NuEVI/led.h
@@ -0,0 +1,12 @@
+#ifndef __LED_H
+#define __LED_H
+
+void statusLedOn();
+void statusLedOff();
+void statusLedFlip();
+void statusLed(bool state);
+void statusLedFlash(uint16_t delayTime);
+void statusLedBlink();
+void updateSensorLEDs();
+
+#endif
\ No newline at end of file
diff --git a/NuEVI/menu.cpp b/NuEVI/menu.cpp
index a7c911b..5788e68 100644
--- a/NuEVI/menu.cpp
+++ b/NuEVI/menu.cpp
@@ -1,5 +1,3 @@
-
-#include <EEPROM.h>
 #include <Adafruit_GFX.h>
 #include <Adafruit_SSD1306.h>
 #include <Adafruit_MPR121.h>
@@ -12,6 +10,7 @@
 #include "globals.h"
 #include "midi.h"
 #include "numenu.h"
+#include "led.h"
 
 enum CursorIdx {
   EMain,
@@ -156,14 +155,6 @@ void initDisplay() {
 void showVersion() {
   display.setTextColor(WHITE);
   display.setTextSize(1);
-  #if defined(CASSIDY)
-  display.setCursor(0,0);
-  display.print("BC");
-  #endif
-  #if defined(CVSCALEBOARD)
-  display.setCursor(15,0);
-  display.print("CV");
-  #endif
   display.setCursor(85,52);
   display.print("v.");
   display.println(FIRMWARE_VERSION);
@@ -374,32 +365,9 @@ void drawMenuCursor(byte itemNo, byte color){
 
 //***********************************************************
 
-// TODO: Move these to a settings.cpp maybe?
-void writeSetting(byte address, unsigned short value){
-  union {
-    byte v[2];
-    unsigned short val;
-  } data;
-  data.val = value;
-  EEPROM.update(address, data.v[0]);
-  EEPROM.update(address+1, data.v[1]);
-}
-
-unsigned short readSetting(byte address){
-  union {
-    byte v[2];
-    unsigned short val;
-  } data;
-  data.v[0] = EEPROM.read(address);
-  data.v[1] = EEPROM.read(address+1);
-  return data.val;
-}
-
-//***********************************************************
-
 static int readTrills() {
   readSwitches();
-  return K5+2*K6+4*K7;
+  return K5+2*K6+trill3_interval*K7;
 }
 
 //***********************************************************
@@ -450,7 +418,6 @@ static void midiCustomDrawFunc(SubMenuRef __unused, char* __unused, const char**
   }
 }
 
-
 //***********************************************************
 
 const MenuEntrySub legacyPBMenu = {
@@ -458,8 +425,7 @@ const MenuEntrySub legacyPBMenu = {
   [](SubMenuRef __unused, char* out, const char ** __unused unit) {
     strncpy(out, legacy?"ON":"OFF", 4);
   }, [](const MenuEntrySub & __unused sub) {
-    dipSwBits = dipSwBits & ~(1<<1);
-    dipSwBits |= (legacy <<1);
+    setBit(dipSwBits, DIPSW_LEGACY, legacy);
     writeSetting(DIPSW_BITS_ADDR,dipSwBits);
   }
   , nullptr
@@ -470,9 +436,8 @@ const MenuEntrySub legacyBRMenu = {
   [](SubMenuRef __unused, char* out, const char ** __unused unit) {
     strncpy(out, legacyBrAct?"ON":"OFF", 4);
   }, [](const MenuEntrySub & __unused sub) {
-    dipSwBits = dipSwBits & ~(1<<2);
-    dipSwBits |= (legacyBrAct <<2);
-    writeSetting(DIPSW_BITS_ADDR,dipSwBits);
+    setBit(dipSwBits, DIPSW_LEGACYBRACT, legacyBrAct);
+    writeSetting(DIPSW_BITS_ADDR, dipSwBits);
   }
   , nullptr
 };
@@ -482,9 +447,8 @@ const MenuEntrySub gateOpenMenu = {
   [](SubMenuRef __unused, char* out, const char ** __unused unit) {
     strncpy(out, gateOpenEnable?"ON":"OFF", 4);
   }, [](const MenuEntrySub & __unused sub) {
-    dipSwBits = dipSwBits & ~(1<<4);
-    dipSwBits |= (gateOpenEnable <<4);
-    writeSetting(DIPSW_BITS_ADDR,dipSwBits);
+    setBit(dipSwBits, DIPSW_GATEOPEN, gateOpenEnable);
+    writeSetting(DIPSW_BITS_ADDR, dipSwBits);
   }
   , nullptr
 };
@@ -494,29 +458,89 @@ const MenuEntrySub specialKeyMenu = {
   [](SubMenuRef __unused, char* out, const char ** __unused unit) {
     strncpy(out, specialKeyEnable?"ON":"OFF", 4);
   }, [](const MenuEntrySub & __unused sub) {
-    dipSwBits = dipSwBits & ~(1<<5);
-    dipSwBits |= (specialKeyEnable <<5);
-    writeSetting(DIPSW_BITS_ADDR,dipSwBits);
+    setBit(dipSwBits, DIPSW_SPKEYENABLE, specialKeyEnable);
+    writeSetting(DIPSW_BITS_ADDR, dipSwBits);
+  }
+  , nullptr
+};
+
+const MenuEntrySub trill3Menu = {
+  MenuType::ESub, "3RD TRILL", "3RD TRILL", &trill3_interval, 3, 4, MenuEntryFlags::ENone,
+  [](SubMenuRef __unused, char* out, const char** __unused unit) {
+    numToString(trill3_interval, out, true);
+  },
+  [](SubMenuRef __unused) { writeSetting(TRILL3_INTERVAL_ADDR, trill3_interval); }
+  , nullptr
+};
+
+const MenuEntrySub bcasModeMenu = {
+  MenuType::ESub, "BCAS MODE", "BCAS MODE", &bcasMode, 0, 1, MenuEntryFlags::ENone,
+  [](SubMenuRef __unused, char* out, const char** __unused unit) {
+    strncpy(out, bcasMode?"ON":"OFF", 4);
+  },
+  [](SubMenuRef __unused) {
+    setBit(dipSwBits, DIPSW_BCASMODE, bcasMode);
+    writeSetting(DIPSW_BITS_ADDR, dipSwBits);
+  }
+  , nullptr
+};
+
+const MenuEntrySub dacModeMenu = {
+  MenuType::ESub, "DAC OUT", "DAC OUT", &dacMode, 0, 1, MenuEntryFlags::ENone,
+  [](SubMenuRef __unused, char* out, const char** __unused unit) {
+    const char* dacModeLabels[] = { "BRTH", "PTCH"};
+    strncpy(out, dacModeLabels[dacMode], 5);
+  },
+  [](SubMenuRef __unused) { writeSetting(DAC_MODE_ADDR, dacMode); }
+  , nullptr
+};
+
+const MenuEntrySub fastBootMenu = {
+  MenuType::ESub, "FAST BOOT", "FAST BOOT", &fastBoot, 0, 1, MenuEntryFlags::ENone,
+  [](SubMenuRef __unused, char* out, const char** __unused unit) {
+    strncpy(out, fastBoot?"ON":"OFF", 4);
+  },
+  [](SubMenuRef __unused) {
+    setBit(dipSwBits, DIPSW_FASTBOOT, fastBoot);
+    writeSetting(DIPSW_BITS_ADDR, dipSwBits);
   }
   , nullptr
 };
 
 
+static uint16_t wireless_power=0;
+static uint16_t wireless_channel=4;
+
 const MenuEntrySub wlPowerMenu = {
-  MenuType::ESub, "WL POWER", "WL POWER", &wlPower, 0, 3, MenuEntryFlags::ENone,
+  MenuType::ESub, "WL POWER", "WL POWER", &wireless_power, 0, 3, MenuEntryFlags::ENone,
   [](SubMenuRef __unused, char* out, const char** __unused unit) {
-    numToString(-6*wlPower, out, true);
+    numToString(-6*wireless_power, out, true);
   },
-  [](SubMenuRef __unused) { sendWLPower(wlPower); }
+  [](SubMenuRef __unused) { sendWLPower(wireless_power); }
   , nullptr
 };
 
+const MenuEntrySub wlChannelMenu = {
+  MenuType::ESub, "WL CHAN", "WL CHAN", &wireless_channel, 4, 80, MenuEntryFlags::ENone,
+  [](SubMenuRef __unused, char* out, const char** __unused unit) {
+    numToString(wireless_channel, out, false);
+  },
+  [](SubMenuRef __unused) { sendWLChannel(wireless_channel); }
+  , nullptr
+};
+
+
 const MenuEntry* extrasMenuEntries[] = {
   (MenuEntry*)&legacyPBMenu,
   (MenuEntry*)&legacyBRMenu,
   (MenuEntry*)&gateOpenMenu,
   (MenuEntry*)&specialKeyMenu,
+  (MenuEntry*)&trill3Menu,
+  (MenuEntry*)&bcasModeMenu,
+  (MenuEntry*)&dacModeMenu,
+  (MenuEntry*)&fastBootMenu,
   (MenuEntry*)&wlPowerMenu,
+  (MenuEntry*)&wlChannelMenu,
 };
 
 const MenuPage extrasMenuPage = {
@@ -1205,17 +1229,6 @@ static bool updatePage(const MenuPage *page, KeyState &input, uint32_t timeNow)
   return redraw;
 }
 
-//***********************************************************
-// This should be moved to a separate file/process that handles only led
-static void statusBlink() {
-  digitalWrite(statusLedPin,LOW);
-  delay(150);
-  digitalWrite(statusLedPin,HIGH);
-  delay(150);
-  digitalWrite(statusLedPin,LOW);
-  delay(150);
-  digitalWrite(statusLedPin,HIGH);
-}
 
 //***********************************************************
 
@@ -1368,12 +1381,12 @@ static bool idlePageUpdate(KeyState& __unused input, uint32_t __unused timeNow)
           legacyBrAct = !legacyBrAct;
           dipSwBits = dipSwBits ^ (1<<2);
           writeSetting(DIPSW_BITS_ADDR,dipSwBits);
-          statusBlink();
+          statusLedBlink();
         } else if ((exSensor >= ((extracThrVal+extracMaxVal)/2))) { // switch pb pad activated legacy settings control on/off
           legacy = !legacy;
           dipSwBits = dipSwBits ^ (1<<1);
           writeSetting(DIPSW_BITS_ADDR,dipSwBits);
-          statusBlink();
+          statusLedBlink();
         } else if (pinkyKey && !specialKey){ //hold pinky key for rotator menu, and if too high touch sensing blocks regular menu, touching special key helps
           display.ssd1306_command(SSD1306_DISPLAYON);
           menuState= ROTATOR_MENU;
diff --git a/NuEVI/menu.h b/NuEVI/menu.h
index 93567a8..20373ab 100644
--- a/NuEVI/menu.h
+++ b/NuEVI/menu.h
@@ -41,8 +41,6 @@ void initDisplay();
 void showVersion();
 void menu();
 void drawSensorPixels();
-unsigned short readSetting(byte address);
-void writeSetting(byte address, unsigned short value);
 
 int updateAdjustMenu(uint32_t timeNow, KeyState &input, bool firstRun, bool drawSensor);
 bool adjustPageUpdate(KeyState &input, uint32_t timeNow);
diff --git a/NuEVI/midi.cpp b/NuEVI/midi.cpp
index 8a49feb..56e8d74 100644
--- a/NuEVI/midi.cpp
+++ b/NuEVI/midi.cpp
@@ -163,4 +163,20 @@ void sendWLPower(const uint8_t level) {
   buf[5] = level;
   dinMIDIsendSysex(buf, 6);
 
-}
\ No newline at end of file
+}
+
+
+void sendWLChannel(const uint8_t channel) {
+  uint8_t buf[6] = {
+    0x00, 0x21, 0x11,  //Manufacturer id
+    0x02,             //TX02
+    0x05,             //Set channel
+    0x04              //Channel value (4-80)
+  };
+
+  if(channel<4 || channel>80) return; //Don't send invalid values
+
+  buf[5] = channel;
+  dinMIDIsendSysex(buf, 6);
+
+}
diff --git a/NuEVI/midi.h b/NuEVI/midi.h
index 2b2e85f..800d1db 100644
--- a/NuEVI/midi.h
+++ b/NuEVI/midi.h
@@ -30,8 +30,7 @@ void dinMIDIsendProgramChange(uint8_t value, uint8_t ch);
 void dinMIDIsendPitchBend(uint16_t pb, uint8_t ch);
 void dinMIDIsendSysex(const uint8_t data[], const uint8_t length);
 
-
-
 void sendWLPower(const uint8_t level);
+void sendWLChannel(const uint8_t channel);
 
 #endif
diff --git a/NuEVI/settings.cpp b/NuEVI/settings.cpp
new file mode 100644
index 0000000..913e06f
--- /dev/null
+++ b/NuEVI/settings.cpp
@@ -0,0 +1,201 @@
+#include <Arduino.h>
+#include <EEPROM.h>
+
+#include "settings.h"
+#include "globals.h"
+#include "menu.h"
+#include "hardware.h"
+#include "config.h"
+
+//Read settings from eeprom. Returns wether or not anything was written (due to factory reset or upgrade)
+void readEEPROM() {
+    bool factoryReset = !digitalRead(ePin) && !digitalRead(mPin);
+
+    // if stored settings are not for current version, or Enter+Menu are pressed at startup, they are replaced by factory settings
+    uint16_t settingsVersion = readSetting(VERSION_ADDR);
+
+    // blank eeprom will be 0xFFFF. For a full reset, call it "version 0" so everything gets overwritten.
+    if (factoryReset || settingsVersion == 0xffffu) {
+        settingsVersion = 0;
+    }
+
+
+    if(settingsVersion != EEPROM_VERSION) {
+
+        if(settingsVersion < 24) { //Oldest version from which any settings are recognized
+            writeSetting(BREATH_THR_ADDR, BREATH_THR_FACTORY);
+            writeSetting(BREATH_MAX_ADDR, BREATH_MAX_FACTORY);
+            if (digitalRead(biteJumperPin)){ //PBITE (if pulled low with jumper, pressure sensor is used instead of capacitive bite sensing)
+                writeSetting(PORTAM_THR_ADDR, PORTAM_THR_FACTORY);  
+                writeSetting(PORTAM_MAX_ADDR, PORTAM_MAX_FACTORY); 
+            } else {
+                writeSetting(PORTAM_THR_ADDR, PORTPR_THR_FACTORY);  
+                writeSetting(PORTAM_MAX_ADDR, PORTPR_MAX_FACTORY); 
+            }
+            writeSetting(PITCHB_THR_ADDR, PITCHB_THR_FACTORY);
+            writeSetting(PITCHB_MAX_ADDR, PITCHB_MAX_FACTORY);
+            writeSetting(EXTRAC_THR_ADDR, EXTRAC_THR_FACTORY);
+            writeSetting(EXTRAC_MAX_ADDR, EXTRAC_MAX_FACTORY);
+            writeSetting(CTOUCH_THR_ADDR, CTOUCH_THR_FACTORY);
+
+            writeSetting(TRANSP_ADDR, TRANSP_FACTORY);
+            writeSetting(MIDI_ADDR, MIDI_FACTORY);
+            writeSetting(BREATH_CC_ADDR, BREATH_CC_FACTORY);
+            writeSetting(BREATH_AT_ADDR, BREATH_AT_FACTORY);
+            writeSetting(VELOCITY_ADDR, VELOCITY_FACTORY);
+            writeSetting(PORTAM_ADDR, PORTAM_FACTORY);
+            writeSetting(PB_ADDR, PB_FACTORY);
+            writeSetting(EXTRA_ADDR, EXTRA_FACTORY);
+            writeSetting(VIBRATO_ADDR, VIBRATO_FACTORY);
+            writeSetting(DEGLITCH_ADDR, DEGLITCH_FACTORY);
+            writeSetting(PATCH_ADDR, PATCH_FACTORY);
+            writeSetting(OCTAVE_ADDR, OCTAVE_FACTORY);
+            writeSetting(BREATHCURVE_ADDR, BREATHCURVE_FACTORY);
+            writeSetting(VEL_SMP_DL_ADDR, VEL_SMP_DL_FACTORY);
+            writeSetting(VEL_BIAS_ADDR, VEL_BIAS_FACTORY);
+            writeSetting(PINKY_KEY_ADDR, PINKY_KEY_FACTORY);
+        }
+
+        if(settingsVersion < 26) {
+            writeSetting(FP1_ADDR, 0);
+            writeSetting(FP2_ADDR, 0);
+            writeSetting(FP3_ADDR, 0);
+            writeSetting(FP4_ADDR, 0);
+            writeSetting(FP5_ADDR, 0);
+            writeSetting(FP6_ADDR, 0);
+            writeSetting(FP7_ADDR, 0);
+            writeSetting(DIPSW_BITS_ADDR, DIPSW_BITS_FACTORY);
+        }
+
+        if(settingsVersion < 28) {
+            writeSetting(PARAL_ADDR, PARAL_FACTORY);
+            writeSetting(ROTN1_ADDR, ROTN1_FACTORY);
+            writeSetting(ROTN2_ADDR, ROTN2_FACTORY);
+            writeSetting(ROTN3_ADDR, ROTN3_FACTORY);
+            writeSetting(ROTN4_ADDR, ROTN4_FACTORY);
+            writeSetting(PRIO_ADDR, PRIO_FACTORY);
+        }
+
+        if(settingsVersion < 29) {
+            writeSetting(VIB_SENS_ADDR, VIB_SENS_FACTORY);
+            writeSetting(VIB_RETN_ADDR, VIB_RETN_FACTORY);
+        }
+
+        if(settingsVersion < 31) {
+            writeSetting(VIB_SQUELCH_ADDR, VIB_SQUELCH_FACTORY);
+            writeSetting(VIB_DIRECTION_ADDR, VIB_DIRECTION_FACTORY);
+        }
+
+        if(settingsVersion < 32) {
+            writeSetting(BREATH_CC2_ADDR, BREATH_CC2_FACTORY);
+            writeSetting(BREATH_CC2_RISE_ADDR, BREATH_CC2_RISE_FACTORY);
+            writeSetting(VIB_SENS_BITE_ADDR, VIB_SENS_BITE_FACTORY);
+            writeSetting(VIB_SQUELCH_BITE_ADDR, VIB_SQUELCH_BITE_FACTORY);
+            writeSetting(VIB_CONTROL_ADDR, VIB_CONTROL_FACTORY);
+            writeSetting(TRILL3_INTERVAL_ADDR, TRILL3_INTERVAL_FACTORY);
+            writeSetting(DAC_MODE_ADDR, DAC_MODE_FACTORY);
+        }
+
+        writeSetting(VERSION_ADDR, EEPROM_VERSION);
+    }
+ 
+    // read all settings from EEPROM
+    breathThrVal    = readSettingBounded(BREATH_THR_ADDR, breathLoLimit, breathHiLimit, BREATH_THR_FACTORY);
+    breathMaxVal    = readSettingBounded(BREATH_MAX_ADDR, breathLoLimit, breathHiLimit, BREATH_MAX_FACTORY);
+    portamThrVal    = readSettingBounded(PORTAM_THR_ADDR, portamLoLimit, portamHiLimit, PORTAM_THR_FACTORY);
+    portamMaxVal    = readSettingBounded(PORTAM_MAX_ADDR, portamLoLimit, portamHiLimit, PORTAM_MAX_FACTORY);
+    pitchbThrVal    = readSettingBounded(PITCHB_THR_ADDR, pitchbLoLimit, pitchbHiLimit, PITCHB_THR_FACTORY);
+    pitchbMaxVal    = readSettingBounded(PITCHB_MAX_ADDR, pitchbLoLimit, pitchbHiLimit, PITCHB_MAX_FACTORY);
+    transpose       = readSettingBounded(TRANSP_ADDR, 0, 24, TRANSP_FACTORY);
+    MIDIchannel     = readSettingBounded(MIDI_ADDR, 1, 16, MIDI_FACTORY);
+    breathCC        = readSettingBounded(BREATH_CC_ADDR, 0, 127, BREATH_CC_FACTORY);
+    breathAT        = readSettingBounded(BREATH_AT_ADDR, 0, 1, BREATH_AT_FACTORY);
+    velocity        = readSettingBounded(VELOCITY_ADDR, 0, 127, VELOCITY_FACTORY);
+    portamento      = readSettingBounded(PORTAM_ADDR, 0, 2, PORTAM_FACTORY);
+    PBdepth         = readSettingBounded(PB_ADDR, 0, 12, PB_FACTORY);
+    extraCT         = readSettingBounded(EXTRA_ADDR, 0, 4, EXTRA_FACTORY);
+    vibrato         = readSettingBounded(VIBRATO_ADDR, 0, 9, VIBRATO_FACTORY);
+    deglitch        = readSettingBounded(DEGLITCH_ADDR, 0, 70, DEGLITCH_FACTORY);
+    extracThrVal    = readSettingBounded(EXTRAC_THR_ADDR, extracLoLimit, extracHiLimit, EXTRAC_THR_FACTORY);
+    extracMaxVal    = readSettingBounded(EXTRAC_MAX_ADDR, extracLoLimit, extracHiLimit, EXTRAC_MAX_FACTORY);
+    patch           = readSettingBounded(PATCH_ADDR, 0, 127, PATCH_FACTORY);
+    octave          = readSettingBounded(OCTAVE_ADDR, 0, 6, OCTAVE_FACTORY);
+    ctouchThrVal    = readSettingBounded(CTOUCH_THR_ADDR, ctouchLoLimit, ctouchHiLimit, CTOUCH_THR_FACTORY);
+    curve           = readSettingBounded(BREATHCURVE_ADDR, 0, 12, BREATHCURVE_FACTORY);
+    velSmpDl        = readSettingBounded(VEL_SMP_DL_ADDR, 0, 30, VEL_SMP_DL_FACTORY);
+    velBias         = readSettingBounded(VEL_BIAS_ADDR, 0, 9, VEL_BIAS_FACTORY);
+    pinkySetting    = readSettingBounded(PINKY_KEY_ADDR, 0, 24, PINKY_KEY_FACTORY);
+    fastPatch[0]    = readSettingBounded(FP1_ADDR, 0, 127, 0);
+    fastPatch[1]    = readSettingBounded(FP2_ADDR, 0, 127, 0);
+    fastPatch[2]    = readSettingBounded(FP3_ADDR, 0, 127, 0);
+    fastPatch[3]    = readSettingBounded(FP4_ADDR, 0, 127, 0);
+    fastPatch[4]    = readSettingBounded(FP5_ADDR, 0, 127, 0);
+    fastPatch[5]    = readSettingBounded(FP6_ADDR, 0, 127, 0);
+    fastPatch[6]    = readSettingBounded(FP7_ADDR, 0, 127, 0);
+    dipSwBits       = readSetting(DIPSW_BITS_ADDR);
+    parallel        = readSettingBounded(PARAL_ADDR, 0, 48, PARAL_FACTORY);
+    rotations[0]    = readSettingBounded(ROTN1_ADDR, 0, 48, ROTN1_FACTORY);
+    rotations[1]    = readSettingBounded(ROTN2_ADDR, 0, 48, ROTN2_FACTORY);
+    rotations[2]    = readSettingBounded(ROTN3_ADDR, 0, 48, ROTN3_FACTORY);
+    rotations[3]    = readSettingBounded(ROTN4_ADDR, 0, 48, ROTN4_FACTORY);
+    priority        = readSettingBounded(PRIO_ADDR, 0, 1, PRIO_FACTORY);
+    vibSens         = readSettingBounded(VIB_SENS_ADDR, 1, 12, VIB_SENS_FACTORY);
+    vibRetn         = readSettingBounded(VIB_RETN_ADDR, 0, 4, VIB_RETN_FACTORY);
+    vibSquelch      = readSettingBounded(VIB_SQUELCH_ADDR, 1, 30, VIB_SQUELCH_FACTORY);
+    vibDirection    = readSettingBounded(VIB_DIRECTION_ADDR, 0, 1, VIB_DIRECTION_FACTORY);
+    breathCC2       = readSettingBounded(BREATH_CC2_ADDR, 0, 127, BREATH_CC2_FACTORY);
+    breathCC2Rise   = readSettingBounded(BREATH_CC2_RISE_ADDR, 1, 10, BREATH_CC2_RISE_FACTORY);
+    vibSensBite     = readSettingBounded(VIB_SENS_BITE_ADDR, 1, 12, VIB_SENS_BITE_FACTORY);
+    vibSquelchBite  = readSettingBounded(VIB_SQUELCH_BITE_ADDR, 1, 30, VIB_SQUELCH_BITE_FACTORY);
+    vibControl      = readSettingBounded(VIB_CONTROL_ADDR, 0, 1, VIB_CONTROL_FACTORY);
+    dacMode         = readSettingBounded(DAC_MODE_ADDR, DAC_MODE_BREATH, DAC_MODE_PITCH, DAC_MODE_FACTORY);
+    trill3_interval = readSettingBounded(TRILL3_INTERVAL_ADDR, 3, 4, TRILL3_INTERVAL_FACTORY);
+
+    //Flags stored in bit field
+    fastBoot         = (dipSwBits & (1<<DIPSW_FASTBOOT))?1:0;
+    legacy           = (dipSwBits & (1<<DIPSW_LEGACY))?1:0;
+    legacyBrAct      = (dipSwBits & (1<<DIPSW_LEGACYBRACT))?1:0;
+    slowMidi         = (dipSwBits & (1<<DIPSW_SLOWMIDI))?1:0;
+    gateOpenEnable   = (dipSwBits & (1<<DIPSW_GATEOPEN))?1:0;
+    specialKeyEnable = (dipSwBits & (1<<DIPSW_SPKEYENABLE))?1:0;
+    bcasMode         = (dipSwBits & (1<<DIPSW_BCASMODE))?1:0;
+
+}
+
+
+
+//Poke at a certain bit in a bit field
+void setBit(uint16_t &bitfield, const uint8_t pos, const uint16_t value) {
+  bitfield = (bitfield & ~(1<<pos)) | ((value?1:0)<<pos);
+}
+
+
+//Read and write EEPROM data
+void writeSetting(uint16_t address, uint16_t value) {
+    union {
+        uint8_t v[2];
+        uint16_t val;
+    } data;
+    data.val = value;
+    EEPROM.update(address, data.v[0]);
+    EEPROM.update(address+1, data.v[1]);
+}
+
+uint16_t readSetting(uint16_t address) {
+    union {
+        uint8_t v[2];
+        uint16_t val;
+    } data;
+    data.v[0] = EEPROM.read(address);
+    data.v[1] = EEPROM.read(address+1);
+    return data.val;
+}
+
+uint16_t readSettingBounded(uint16_t address, uint16_t min, uint16_t max, uint16_t defaultValue) {
+    uint16_t val = readSetting(address);
+    if(val < min || val > max) {
+        val = defaultValue;
+        writeSetting(address, val);
+    }
+    return val;
+}
diff --git a/NuEVI/settings.h b/NuEVI/settings.h
index bc155e8..cab78ba 100644
--- a/NuEVI/settings.h
+++ b/NuEVI/settings.h
@@ -1,8 +1,7 @@
-
 #ifndef __SETTINGS_H
 #define __SETTINGS_H
 
-
+#include <stdint.h>
 
 // EEPROM addresses for settings
 #define VERSION_ADDR 0
@@ -54,9 +53,26 @@
 #define VIB_SENS_BITE_ADDR 92
 #define VIB_SQUELCH_BITE_ADDR 94
 #define VIB_CONTROL_ADDR 96
+#define TRILL3_INTERVAL_ADDR 98
+#define DAC_MODE_ADDR 100
+
+
+
+//DAC output modes
+#define DAC_MODE_BREATH 0
+#define DAC_MODE_PITCH 1
+
+#define DIPSW_FASTBOOT    0
+#define DIPSW_LEGACY      1
+#define DIPSW_LEGACYBRACT 2
+#define DIPSW_SLOWMIDI    3
+#define DIPSW_GATEOPEN    4
+#define DIPSW_SPKEYENABLE 5
+#define DIPSW_BCASMODE    6
+
 
 //"factory" values for settings
-#define VERSION 32
+#define EEPROM_VERSION 32
 #define BREATH_THR_FACTORY 1400
 #define BREATH_MAX_FACTORY 4000
 #define PORTAM_THR_FACTORY 2600
@@ -101,4 +117,15 @@
 #define VIB_SQUELCH_BITE_FACTORY 10
 #define VIB_CONTROL_FACTORY 0
 
+#define TRILL3_INTERVAL_FACTORY 4
+#define DAC_MODE_FACTORY DAC_MODE_BREATH
+
+
+void readEEPROM();
+void setBit(uint16_t &bitfield, const uint8_t pos, const uint16_t value);
+uint16_t readSetting(uint16_t address);
+void writeSetting(uint16_t address, uint16_t value);
+uint16_t readSettingBounded(uint16_t address, uint16_t min, uint16_t max, uint16_t defaultValue);
+
+
 #endif
diff --git a/README.md b/README.md
index c8f04fb..d39ee77 100644
--- a/README.md
+++ b/README.md
@@ -16,11 +16,7 @@ added directly via the Library Manager in the Arduino IDE:
 * Adafruit MPR121
 * Adafruit GFX
 * Adafruit SSD1306 (version 1.2.9 or above)
-
-You also need to install [Edgar Bonet's Filters library](https://github.com/edgar-bonet/Filters),
-specifically the `fix-integer-overflow` branch. One of the easiest way to do that is to download the
-git repo [as a zip file](https://github.com/edgar-bonet/Filters/archive/fix-integer-overflow.zip),
-and then add that in the Arduino IDE (under Sketch -> Include Library -> Add .ZIP library)
+* NuEVI also includes on the [Filters](https://github.com/JonHub/Filters) library by Jonathan Driscoll, but that is no longer an external dependency.
 
 
 ### Compile options
diff --git a/simulation/Makefile b/simulation/Makefile
index 640a642..1a603dd 100644
--- a/simulation/Makefile
+++ b/simulation/Makefile
@@ -17,7 +17,7 @@ CXXFLAGS= $(CFLAGS) -std=c++14
 LIBS=-framework SDL2 -lc++ -lc -framework OpenGL
 LDFLAGS=-macosx_version_min 10.9 -rpath @executable_path/../Frameworks
 
-SYSINC = ~/Documents/Arduino/libraries/Filters ./include
+SYSINC = ./include
 INCS = ../NuEVI ./include ./imgui ./gl3w
 
 INCDIRS = $(addprefix -isystem ,$(SYSINC))
@@ -28,6 +28,9 @@ TARGET=nuevisim
 
 CXXFILES=		../NuEVI/menu.cpp \
 				../NuEVI/adjustmenu.cpp \
+				../NuEVI/midi.cpp \
+				../NuEVI/settings.cpp \
+				../NuEVI/led.cpp \
 				src/nuevisim.cpp \
 				src/simeeprom.cpp \
 				src/Print.cpp \
@@ -35,7 +38,6 @@ CXXFILES=		../NuEVI/menu.cpp \
 				src/simwire.cpp \
 				src/simusbmidi.cpp \
 				src/filters.cpp \
-				../NuEVI/midi.cpp \
 				src/Adafruit_GFX_sim.cpp \
 				src/Adafruit_SSD1306_sim.cpp \
 				src/Adafruit_MPR121_sim.cpp \
@@ -45,6 +47,7 @@ CXXFILES=		../NuEVI/menu.cpp \
 				imgui/examples/imgui_impl_sdl.cpp \
 				imgui/examples/imgui_impl_opengl3.cpp
 
+
 CFILES= 		gl3w/gl3w.c
 
 OBJS=$(CXXFILES:.cpp=.o) $(CFILES:.c=.o)
diff --git a/simulation/src/filters.cpp b/simulation/src/filters.cpp
index 6f7eed9..2860caf 100644
--- a/simulation/src/filters.cpp
+++ b/simulation/src/filters.cpp
@@ -1,3 +1,3 @@
 #include <cmath>
 
-#include "FilterOnepole.cpp"
+#include "FilterOnePole.cpp"