void read_adc_0(uint8_t *high, uint8_t *low)
{
	ADCSRA |= (1<<ADEN)|(1<<ADPS2)|(1<<ADPS1);

	_delay_ms(10);

	ADCSRA |= (1<<ADSC);//start conversion

	while((ADCSRA & (1<<ADSC)));//Wait for conversion to complete


	*high = ADCL;
	*low = ADCH;


	ADCSRA &= ~(1<<ADEN);//turn off the ADC

}