As I've experimented and played with a lot of different sensors, I've discovered that these basic devices can be built for ...

Solar power projects have become, in general, a matter of selecting components like panels and batteries, hooking them together with industry-standard connectors, and sitting back to watch the free… ...

There are already many cheap ESP32 drones on AliExpress, or you can even make an ESP32 DIY drone for about $12, but ...

For those looking to upgrade their kid’s ride, [David] has provided source code for the ESP32, a parts list, a wiring diagram, and even the 3D models for the few parts that needed to be printed.