goroot Blog

Cloud. Architecture. IoT.

ESP32 as BLE Gateway for Xiaomi Mijia BLE Temperature & Humidity Sensor

Problem statement Too many unused BLE sensors, too much time during the COVID-19 lockdown - lets add more sensors! Just because we can… No seriously. I struggled a lot with too much humidity in the air in several areas of my house. After having a hot shower in the bathroom, the humidity condensed at the window, increasing the risk for mold growth. In the basement where our food supplies are stored, we had issues with salt getting wet. Continue reading