In the microcontroller era today, Arduino ... at its sensor input port. As indicated, our system requires a “Logic High (H)” level input to wake up. The best sensor you can use to detect an intrusion ...

For his sensor, [Felix] is using a Moteino, a very tiny Arduino ... the PIR sensor, connects with three pins – power, ground, and out. When the PIR sensor sees something it transmits a code ...

Present consists of just a PIR sensor and Arduino in a 3D printed enclosure to snap onto your monitor. When the PIR sensor no longer detects someone in range, it sends a notification over serial ...