There are many cool projects you can do with a cheap MEMS microphone, an ESP32 and Fast Fourier Transform (FFT). For me …
Smart door bell and noise meter using FFT on ESP32
Tag: mqtt
How to install MQTT websockets on NGINX
MQTT is the nerve system for home-assistant and having a secure encrypted connection with your broker is critical for privacy. Imagine running …
DSMR reader for home-assistant using MQTT
Home-assistant comes with a DSMR reader, but for it to work you need home-assistant installed on the same device that is connected …