There’s a lot to like about this little remote, which is based upon a LilyGo TTGO ESP32 board with on-board display. The circuitry is basically that and a rotary encoder plus a tiny LiPo battery.

The firmware was written in the Arduino IDE, and through the trigger and a rotary encoder all of its options can be configured on a small OLED display. Individual settings can be configured for ...

Its interactive display, coupled with connectivity features, allows it to control various home devices such as lighting, air conditioning, and curtains. The rotary encoder is particularly useful ...