I just thought about implemententing a small ESPhome based ultrasound water level module, when I realized, that I have none of my modules left. Maybe I gave the last one…
Ultrasound Distance Module Overview
Reverse Engineering the Buderus KM271 – And Making It WiFi-Flying on ESPhome and Home Assistant
If you bought one of my modules recently, it is also worth looking at the how-to project page for this module :-) The PCB for this project was sponsored by…
Limiting EV Charge SOC with go-echarger and Home Assistant – Update
How to limit charging to a predefined SOC with go-echarger and Home Assistant if your car does not support this feature.
wmBus Meters And How To Get It Into Home Assistant
Recently, I decided to switch over to Home Assistant due to instability of iobroker. Maybe I had too many adapters, slaves or what else... Somehow it did not function properly…
The Magic Of Absolute Humidity
Introduction When we moved from our flat to our house back in 2015, I soon realized, that the old part of the house (built in the fifties) has some problems…
Taking Your M-Bus To The Next Level… MQTT
Introduction First of all, why would you do this? Many people own an appartment and want to measure the heat, water, electricity flow to the people living there. Others just…
Kathrein EXIP 418 – Getting It Back To Work on Ubiquity Networks
I've installed a Kathrein Sat>IP-Server from Kathrein quite some time ago and it worked more or less flawlessly in the beginning. Also my Sat>IP-Receiver, I bought a few month ago…
Think Sustainable, TH!NK City (reanimated) – Work in Progress
Ever heard about the TH!NK City electric car? No? Before I got asked to help bringing it to life again, I also didn't. In fact, if you do not count…
How to Wire an EV Wall-Box (the economic perspective)
Have you ever planned to install some wall-box for your new electric car? You have some technical/electrical skills but you are not sure, which wire to run from your building…
Angular Web App on ESP32
In progress... TL;DR (take me to the battle field) Introduction and Motivation In some recent project, we added some ESP32 to replace wired communication with a BLE solution. Additionally, the…