Most of us see the world in a very narrow band of the EM spectrum. Sure, there are people with a genetic quirk that extends the range a bit into the UV, but it’s a ROYGBIV world for most of us. Unless ...

When [Proto G] enters into an Instructables contest whose only requirement is for the project to be wireless; he does so with style. Let’s put aside for a minute that he’s using a separate ESP32 board ...

The ESP32 is one of the most versatile microcontrollers out there, capable of Wi-Fi connectivity and, in the case of the original ESP32, full-on Bluetooth, too. However, nearly every ESP32 device can ...