A dumb wall controller was replaced with a custom ESPHome controller to gain full Home Assistant control, per‑room fan control, and automations for quieter nights and smarter operation. The system keeps the original alternating 70‑second pendulum cycle used by decentralized heat‑recovery fans.
I have long wanted to have tablets on the wall of the ground floor and upper floor where I can control Home Assistant. In the last Black Friday Sale I bought two relatively cheap 10 inch Fire Tablets from Amazon for 99€ each. The only difficulty was to supply the tablets with electricity. But then I came up with a very practical solution. Qi Charging Pad I bought a Qi Micro USB Ladepad at Amazon (Afiliate Link): ...
I wanted the garbage collection dates on my HA dashboard. Unfortunately, the city of Landshut doesn’t offer an API to access them directly. So i wrote a custom integration.
I switched my home automation system from OpenHAB to Home-Assistant and am very happy with the decision so far. Of course, I also had to change the integration of my heat pump. Therefore I developed my own module for Home-Assistant. Result The result looks like this: Lovelace Lovelace iDM heatpump I also visualized the values in Grafana which looks like this: Heatpump in Home-Assistant Lovelace Grafana Grafana visualization of heatpump data ...