งานที่10

#include <LiquidCrystal_I2C.h> LiquidCrystal_I2C lcd(0x27,16,2); int aVal=0,tempaVal=0; void setup() { lcd.begin(); } void loop() { aVal = analogRead(A0); if (tempaVal != aVal) { lcd.clear(); lcd.setCursor(0,0); lcd.print("LDR"); lcd.setCursor(0,1); lcd.print(aVal); delay(300); } tempaVal = aVal; }