Detect motion up to 7m with the HC-SR501 PIR Sensor. Features adjustable sensitivity and delay time. Ideal for Arduino security alarms and auto lights.

The Piezoelectric Knock Vibration Sensor Module detects vibration, knocks, and impacts with adjustable sensitivity. It features both digital and analog outputs, an LED indicator, and supports up to 1A control current, making it ideal for vibration detection and interactive electronics projects.

1 Nos ACS712 30A Current Sensor Module