The Components Used in this project are:- Arduino Uno PIR Motion Sensor Jumper Wires HC-SR501 PIR Motion Sensor Pinout The PIR motion sensor consists of 3 pins-VCC, GND, and the Data Output Pin. VCC ...

The microcontroller-based concept was chosen because I wanted to scale the sensor system later to suit other applications. Here is the diagram of my Arduino infrared close proximity sensor. As you can ...

Because of the affordability and seeming ubiquity of the Arduino platform, they have been hard at work this last month trying to get their Geiger counter sensor board for an Arduino out the door.