#define PIN_capacitorPlate_Input 2 // can be digital because it's whether ON/OFF
#define PIN_capacitorPlate_ReadOut 4 //must be an analog pin to give a continuous readout

void setup() {
  // put your setup code here, to run once:
  SerialUSB.begin(0);

  pinMode (PIN_capacitorPlate_Input, OUTPUT); //output form the microcontroller 
  pinMode (PIN_capacitorPlate_ReadOut, INPUT); //input to microcontroller
}

void loop() {
  // put your main code here, to run repeatedly:
  digitalWrite(PIN_capacitorPlate_Input, LOW); //set the value of the pin to low, no charging happening
  delay (150); //15ms, long discharge
  digitalWrite(PIN_capacitorPlate_Input, HIGH); //Iput plates should be charging
  delayMicroseconds (10);
  //readout V will always be smaller than 3.3V, analogread defaults to comparing values to V= 3.3V
  int bucket_num = analogRead(PIN_capacitorPlate_ReadOut);
  Serial.println(bucket_num);  
  delay(150);
}