Rancang Bangun Otomatisasi Lampu Ac Halaman Rumah (Teras) Menggunakan Sensor …

ABSTRACT Design And Build Automatication Of AC Lights In Home (Terrace) Using Passive Infrared Sensors is useful as a saver of electrical energy, making it easier for humans to turn on and turn off lights. The main components of this tool consist of a PIR sensor as an automatic switch, an LDR sensor, a relay, a timer as a time if the sensor does not detect any people, a switch on and off as a …