بدین منظور از کد زیر استفاده نمائید.
#include LiquidCrystal lcd(8, 9, 4, 5, 6, 7); // the setup routine runs once when you press reset: long readTemp() { // Read temperature sensor against 1.1V reference #if defined(__AVR_ATmega32U4__) ADMUX = _BV(REFS1) | _BV(REFS0) | _BV(MUX2) | _BV(MUX1) | _BV(MUX0); ADCSRB = _BV(MUX5); // the MUX5 bit is in the ADCSRB register #elif defined (__AVR_ATtiny24__) || defined(__AVR_ATtiny44__) || defined(__AVR_ATtiny84__) ADMUX = _BV(REFS1) | _BV(MUX5) | _BV(MUX1); #elif defined (__AVR_ATtiny25__) || defined(__AVR_ATtiny45__) || defined(__AVR_ATtiny85__) ADMUX = _BV(REFS1) | _BV(MUX3) | _BV(MUX2) | _BV(MUX1) | _BV(MUX0); #else ADMUX = _BV(REFS1) | _BV(REFS0) | _BV(MUX3); #endif delay(2); // Wait for ADMUX setting to settle ADCSRA |= _BV(ADSC); // Start conversion while (bit_is_set(ADCSRA,ADSC)); // measuring uint8_t low = ADCL; // must read ADCL first - it then locks ADCH uint8_t high = ADCH; // unlocks both long result = (high << 8) | low; // combine the two return result - 280; } void setup() { } // the loop routine runs over and over again forever: void loop() { lcd.clear(); long tmp = readTemp(); lcd.print(tmp); delay(500); }