There are plenty of drones (and other gadgets) you can buy online that use proprietary control protocols. Of course, ...
Volos Projects recently showcased an easy-to-reproduce, inexpensive DIY ESP32-S3 Internet radio based on a Waveshare ESP32-S3-LCD-1.54 development board ...
In this video I've created a device that can notify in real time about events that happen on a website. The project uses NodeMCU board and a buzzer to produce sound as alert. The board is programmed ...