// Variables:
int input_nb = 1; // select number of desired analog inputs (max 6)
int AnalogValue[2] = {0}; // define variables for the controller data
int lastAnalogValue[2] = {0}; // define the "lastValue" variables
int midiCCselect[2] = {22}; // select the midi Controller Number for each input (22 to 31 are free)
int thresh[2] = {1}; // select threshold for each analog input

void setup() {
  //  Set MIDI baud rate:
  Serial.begin(31250); // 31250
}

void loop() {
  for (int i =0; i < input_nb; i++) {
    //  My potentiometer gave a range from 0 to 1023:
    AnalogValue[i] = analogRead(i);
    //  convert to a range from 0 to 127:
    int cc = AnalogValue[i]/8;

    // check if analog input has changed
    if (cc != lastAnalogValue[i] ) {
      //send control change on cc#i
      midiCC(0xB0, midiCCselect[i], cc);
      //Serial.println(String(midiCCselect[i])+": "+String(cc));
      // update lastAnalogValue variable
      lastAnalogValue[i] = cc;
    }

  }  //  endfor
}

// sends a Midi CC. 
void midiCC(byte CC_data, byte c_num, byte c_val){
 Serial.write((byte)CC_data);
 Serial.write((byte)c_num);
 Serial.write((byte)c_val);
}