Peltier Thermo Electric Cooler Fridge

int PWM1 = 192;      // PWM1 width - 75% duty cycle

int PWM2 = 191;      // PWM2 width - 75% duty cycle

void setup()  {

  //TCNT1=0x7FFF;         //Set Timer1 Counter Register to half of its maximum value (32767)

  TCNT1=0x7FF7; // Real 180º out phase measured with oscilloscope

  pinMode(9, OUTPUT);   //Set Pin 9 to output

  pinMode(11, OUTPUT);  //Set Pin 11 to output

  TCCR1B = TCCR1B & B11111000 | B00000001;    // set timer 1 divisor to     1 for PWM frequency of 31372.55 Hz

  TCCR2B = TCCR2B & B11111000 | B00000001;    // set timer 2 divisor to     1 for PWM frequency of 31372.55 Hz

  analogWrite(9, PWM1);  //write PWM1 value to output on Pin 9

  analogWrite(11,PWM2);  //Write PWM2 value to output on Pin 11

}

void loop()  {

  delay(500);            //delay 500ms to see change in PWM

  //analogWrite(9, PWM1);  //write PWM1 value to output on Pin 9

  //analogWrite(11,PWM2);  //Write PWM2 value to output on Pin 11

  //PWM1++;                //increment PWM1

  //PWM2++;                //increment PWM2

}