The size and price of the ESP wifi modules have quickly made them into one of the preferred building blocks for IoT devices. Unfortunately they are not particularly well suited for very low power ...

If you found my recent Smart LED Streetlight useful, below is another solar light that is easy to build and install inside your shed, especially if getting mains power to the shed would be a pain. It ...

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 ...