
CN3791 MPPT Solar Li-ion/LiPo Charging Boards: what they are and how to use them safely
Quick Summary A CN3791 MPPT board is a small module…
General updates, thoughts, and behind-the-scenes posts from the site. This is where I share news, ideas, build notes, lessons learned, and anything that does not fit neatly into a specific project, review, or tutorial.

Quick Summary A CN3791 MPPT board is a small module…

Ever built a “simple” ESP32 project that almost works, until…

There’s a point in every smart home journey where you…

Raspberry Pi’s original AI add-ons (the AI Kit and AI…

If you’re new to DIY electronics, it’s easy to think…

Getting into DIY electronics and maker projects is exciting… until…

If you’ve got a couple of smart bulbs, a plug…

If you’ve ever had lights turn off while you’re sitting…

The ESP32-C3 has quietly become one of the best choices…

If you’ve ever built a battery powered ESP32 sensor, you’ve…