#include <Wire.h>

const uint8_t I2C_ADDRESS = 0x52; //The original Nunchuk's I2C address

int poti = 0; //Potentiometer for testing on A0

void setup() {
  Wire.begin(I2C_ADDRESS);
  Wire.setClock(100000); //A Nunchuk's clock speed
  Wire.onRequest(requestEvent);
}

void loop(){
  //Nothing happening here
}

void requestEvent() {
  int ySpeed = map(analogRead(poti), 0, 1023, 0, 255); //Mapping the potentiometeres 0-1023 range to 0-255, which works with the Nunchuk input
  byte buffer[6] = {127, ySpeed, 0, 0, 0, 0}; //6 bits for X, Y (modified with poti as speed), the buttons and the accelerometer (as the hoverboard mainboard expects)
  Wire.write(buffer, 6); //Write to I2C
}