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 ...

Let me introduce another simple microcontroller-based do-it-yourself circuit that detects ... The code is an Arduino project for the Digispark Attiny85 to turn on a light source when the PIR sensor ...

Here is the circuit for the Sparkfun Active Low style sensor. PIR Pin “+” connects to Arduino +5 one side of the 10K Resistor Connects to Arduino +5 PIR Pin “-” connects to Arduino gnd ...

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 ...