Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I ...

The “snooper” here is an ordinary passive infrared (PIR ... interface, on-board voltage regulator, and Arduino IDE compatibility. The code is an Arduino project for the Digispark Attiny85 to turn on a ...

He disassembled the air freshener, then set out to figure out how he could interface with the PIR sensor ... to the sensor’s signals, allowing him to easily wire it up to an Arduino.

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 ...