NEED ARDUINO CODE I need arduino code for this home security system. **The ultrasonic sensor will placed infront of the door to detect if have visitor, the PIR sensor will detect intruders. Buzzer will ring if these sensor detects something.

o AREF TXL RX40 L DIGITAL (PWM) O UNO NO ARDUINO POWER ANALOG IN REF RESET Ighii HC-SR04 ONS R @@@ REV PIR SENSOR a b c de PARALLAX 555-28827