A calendar display using an ESP32 and a 7.5" e-ink display that fetches events from Home Assistant and shows them in a beautiful two-week calendar view. For the case I printed Kingfisher's Weather ...

A complete water depth measurement system using an industrial 4-20 mA hydrostatic pressure sensor, INA219 current sensor module, LM393 soil moisture sensor, and Heltec WiFi LoRa 32 V3 board with built ...