// Refer to the "Wire Master Writer" example for use with this

// Created 29 March 2006

// This example code is in the public domain.

#include <Servo.h>
#include <Wire.h>             //include libraries
#define attiny_address 0x00   //attiny address variable 

Servo ESC;  // create ESC object to control a servo

void setup()
{
  Wire.begin(attiny_address);                // join i2c bus with address #4
  Wire.onReceive(receiveEvent); // register event
  Serial.begin(9600);           // start serial for output
}

void loop()
{
  delay(100);
}

// function that executes whenever data is received from master
// this function is registered as an event, see setup()
void receiveEvent(int howMany)
{
  while(1 < Wire.available()) // loop through all but the last
  {
    int x = Wire.read(); // receive byte as an integer
    Serial.print(x);         // print the character
    
     if (x > 150) {
        ESC.write(1200);        
        Serial.print("Accelerometer data recieved. Motor running at 1200rpm");
      }
      else {
        Serial.print("Error. Accelerometer data NOT recieved. Motor not running.");
      }
 
      delay(1000);          //waits
      }
 
    }