A short blog post explaining how I replaced a proprietary wireless temperature monitor for my hot tub, with a simple ESP32 based micro-controller and a cheap bluetooth pool thermometer, all linked up with Home Assistant.| jnsgr.uk
A good smart home is one where I don’t have to fiddle around with my phone all the time. This philosophy has manifested as several physical switches spread across the apartment, controlling most essential functions. But especially in the winter when all windows stay shut, I found myself monitoring the room’s CO2 levels quite frequently. The quest to free myself from this unnecessary phone checking resulted in the following specimen: The Hardware The core of the setup consists of a DS3225 ...| The Twenty Percent
Monitor indoor or outdoor air quality index (AQI) with a Sniffer| Bootloader Blog