wemos

Wi-Fi relays for controlling ventilation — WeMos D1, MQTT, and Home Assistant

We recently got balanced ventilation installed, and I have interfaced it with Home Assistant. However — the ventilation unit have three “special modes” that can not be enabled through the Modbus …

Two channel traffic lights controller — using Wemos

My kids wanted traffic lights for their LEGO city, so first I had to build a traffic lights controller.

Making a WiFi MQTT controlled relay for Home Assistant

Making a single relay controlled with WiFi MQTT from Home Assistant, using WeMos D1 mini board.