In the microcontroller era today, Arduino is more than just a tool to accomplish hobby tasks. There is actually a close relationship between microcontroller technology and home security, since you can ...

Let me introduce another simple microcontroller-based do-it-yourself circuit that detects motion and excites a light source in a flash. The “snooper” here is an ordinary passive infrared (PIR) motion ...

The Qwiic Human Presence Sensor uses the AK975x digital PIR. This sensor uses four sensors with overlapping fields of view in order to detect both human presence and the associated movement of that ...

The ExampleCode-AWiFi-with-Arduino repository is designed to help developers understand and implement WiFi-based IoT solutions using Arduino. Each example in this repository is crafted to demonstrate ...

A year ago [Lochie] bought an Airwick automatic air freshener, and while he thought it was a cool gadget, the freshening spray and the novelty ran out in short order. The device collected dust in his ...