Since I had a spare ESP32 lying around, I tried building a smart dashboard that pulls metrics from the other smart devices in my home lab and outputs them to a screen. Now that I’ve completed ...

But while the holiday gadget might have been mildly entertaining in its stock configuration, he quickly realized that what it really needed was an ESP32 retrofit.

I recently picked up an ESP32-powered Cheap Yellow Display, otherwise known as a CYD. For about $20, you get an ESP32 hooked up to a screen, with an SD card slot and some exposed GPIO pins for ...