diff --git a/FM/FM.ino b/FM/FM.ino
index 343a960..2629322 100644
--- a/FM/FM.ino
+++ b/FM/FM.ino
@@ -58,14 +58,14 @@ Smooth <long> aSmoothIntensity(smoothness);
 int carrier_freq = 440;
 
 void noteOn(byte channel, byte note, byte velocity) {
-  if (channel == MIDI_CHANNEL + 143) { //I have no ide why it's 143 here and 127 on noteoff
+  if (channel == MIDI_CHANNEL) {
     carrier_freq = mtof((int) note);
     gate = 1;
   }
 }
 
 void noteOff(byte channel, byte note, byte velocity) {
-  if (channel == MIDI_CHANNEL + 127) {
+  if (channel == MIDI_CHANNEL) {
     gate = 0;
   }
 }
@@ -78,18 +78,17 @@ void setup(){
 
   MIDI.setHandleNoteOn(noteOn);
   MIDI.setHandleNoteOff(noteOff);
-  MIDI.begin();  
+  MIDI.begin(MIDI_CHANNEL);  
 }
 
-
 void updateControl(){
   midiEventPacket_t rx;
   do {
     rx = MidiUSB.read();
     if (rx.header == 0x09) {
-      noteOn(rx.byte1, rx.byte2, rx.byte3);
+      noteOn(rx.byte1 - 143, rx.byte2, rx.byte3); //need to figure out what's with this 143 and 127 on noteoff
     } else if (rx.header == 0x08) {
-      noteOff(rx.byte1, rx.byte2, rx.byte3);
+      noteOff(rx.byte1 - 127, rx.byte2, rx.byte3);
     }
   } while (rx.header != 0);
     
@@ -107,22 +106,22 @@ void updateControl(){
   aModulator.setFreq(mod_freq);
   
   // read the light dependent resistor on the width Analog input pin
-  int LDR1_value= mozziAnalogRead(CONTROLL1); // value is 0-1023
+  int Knob1value= mozziAnalogRead(CONTROLL1); // value is 0-1023
 
 
-  int LDR1_calibrated = kMapIntensity(LDR1_value);
+  int Knob1calibrated = kMapIntensity(Knob1value);
 
   
  // calculate the fm_intensity
-  fm_intensity = ((long)LDR1_calibrated * knob2Val * (kIntensityMod.next()+128))>>8; // shift back to range after 8 bit multiply
+  fm_intensity = ((long)Knob1calibrated * knob2Val * (kIntensityMod.next()+128))>>8; // shift back to range after 8 bit multiply
 
   
   // read the light dependent resistor on the speed Analog input pin
-  int LDR2_value= mozziAnalogRead(CONTROLL2); // value is 0-1023
+  int Knob2value= mozziAnalogRead(CONTROLL2); // value is 0-1023
 
   
   // use a float here for low frequencies
-  float mod_speed = (float)kMapModSpeed(LDR2_value)/1000;
+  float mod_speed = (float)kMapModSpeed(Knob2value)/1000;
 
   kIntensityMod.setFreq(mod_speed);
 
diff --git a/README.md b/README.md
index daedb26..7a802f6 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,5 @@
 DIY Arduino-based synth built with [Mozzi library](https://sensorium.github.io/Mozzi/)
 
 ## ToDo:
-- Fix Midi-Din
 - Add note buffer
-- Tidy up the code (e.g. remove LDR references)
 - Tune the values and remap the knobs
\ No newline at end of file