DIY smart dimmer with Micropython on ESP32. Communicate with Home Assistant via MQTT, LED bargraph feedback, rotary encoder, and WiFi. Easily adaptable to other Micropython-compatible MCUs.

How it Works The ESP32 connects to your Wi-Fi network and starts its own MQTT server. MQTT clients (e.g., from your computer or phone) connect to the ESP32's IP address (like 192.168.1.100) using MQTT ...