Block Diagram The security system comprises of an Arduino Uno microcontroller and a standard ... You can connect any intrusion detection unit (such as a light fence or a motion sensor) to the input ...

A simple way to think of the sensor is a switch; the diagram ... to PIR Pin “Alarm” PIR Pin “Alarm” connects to Arduino Digital 2 The code for the active low Sparkfun style motion detector ...

[Connornishijima] has stumbled on a different way to detect motion with an Arduino, he’s polling an ADC pin with a simple length of twisted pair hooked up to it and earth, and reliably ...

Let me introduce another simple microcontroller-based do-it-yourself circuit that detects motion ... and Arduino IDE compatibility. The code is an Arduino project for the Digispark Attiny85 to turn on ...