🚪 PIR Motion Sensor – Detects human movement and controls a servo (like a door or camera).; 📏 Ultrasonic Sensor – Detects if someone enters the room; turns LED lights ON/OFF.; 🌫 MQ-2 Gas Sensor – ...

Makers and developers looking for a motion sensor Arduino Shield, are sure to be interested in this new ICU-Duino which has been created by Patrick Thomas Mitchell based in Ottawa, Canada ...

You can connect any intrusion detection unit (such as a light fence or a motion sensor) to the input connector J2. Note that an active-low (L) at pin 1 of connector J2 triggers the security system.