@ldab

SARA-R4 NB-IoT + Cat-M1 + GNSS application board - NINA-B3 with Secure MQTT

ESP32, ESP8266 and the likes Battery Management Board, Power your device with a single Battery or 2xAAA. With a buit-in Boost and Buck converter + Nano Timer - Sleep Current < 1uA.

ESP32 based Stoneware 1240ºC pottery kiln

FoMO ZMK Ortholinear keyboard, if you can't decide between split or not.