งานที่13

#include <LiquidCrystal_I2C.h> LiquidCrystal_I2C lcd(0x27,16,2); int PIRpin = 8; void setup() { lcd.begin(); pinMode(PIRpin,INPUT); lcd.home(); lcd.print("Waiting for PIR"); delay(10000); lcd.clear(); } void loop() { int x = digitalRead(PIRpin); lcd.home(); lcd.print("PIR = "); lcd.print(x); delay(100); }