A few years ago I made a temperature/humidity/barometric pressure sensor. https://www.tindie.com/products/arantius/wi_ther-wireless-thermal-and-environmental-s

A few years ago I made a temperature/humidity/barometric pressure sensor. https://www.tindie.com/products/arantius/wi_ther-wireless-thermal-and-environmental-sensor/ https://www.tindie.com/products/arantius/wi_ther-wireless-th... https://arantius.com/wi-ther/ https://arantius.com/wi-ther/ As per the manual, it's ESPHome compatible if you prefer that, but I'm semi proud of the built in functionality.