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
Get The Hell Out Of My Wall-Box… or How To Make Cheap Type-2 Adapter Cables Not So Sticky…
A few days ago, I received an IEC 62196 to Schuko (German Plug) adapter, to be able to draw 230V from a wall-box or public charger. I'll replace the Schuko…
Reverse Engineering the Buderus KM271 – And Making It WiFi-Flying on ESPhome and Home Assistant
The PCB for this project was sponsored by PCBway. And I really liked what I received. I ordered a few times in the past and always received excellent PCBs from…
The Remote Serial Debugging Nightmare
Everybody playing around with hardware that has a serial port and is not located close to the desk will sooner or later run into the problem, that the wire simply…
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…
Pushing the Rectangle Through the Round – Develop With RIOT OS on Windows – Doing The Impossible
Work in progress As many of you, I also have Windows 10 natively on my Notebook and don't want to switch to Linux, every time, I do some development that…
EEX, EPEX SPOT And The Real Net-(In)transparency
Have you ever been interested in the current EEX or more correctly the EPEX SPOT prices? If so, you quite certainly stumbled over the EPEX SPOT Home or the Energy…
How To Open Your Zipper – Use Fuse To Browse Archives
Since I did many Backups of important folder in former times using 7z (one snapshot had 14 GB), I was searching for a way to access it more easily. For…
Just Do It – How To Create Your Own Home Assistant Add-On – Part 1
Since quite some time, I ever wanted to automate the process of creating the annual bills for the renters of the one half of my house. I also integrated the…
Get Your Personal Oil Well Level – Integrating OilFox Into Home Assistant using node-red
After migrating from iobroker to Home Assistant, I lost the level of my oil tank in my smart home, being forced to have a look into the smartphone app. That…