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…
Taking Your M-Bus To The Next Level… MQTT
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…
ESP32-EVB, PlatformIO And ESP-IDF – Yet Another ESP32 tutorial
I already posted a tutorial on using the ESP32-EVB from olimex with Arduino. This time, I will provide the same with ESP-IDF, the original SDK from Espressif. Why I decided…
Sorting Your Digital Mess – How to Easily Set-Up a Private Search Engine
Motivation In my vacations, I kicked-off some new projects. One of it is an ARM64 based SBC with integrated SATA mostly like the Odroid-HC1/2. The main difference is the ARM…
Just Another Hobby – 3D Printing
When it comes to leasure time, there are not many activities, that are more exciting than 3D printing. After you printed diverse things from Thingiverse or any other 3D printing…
STM32 USB-DFU
I'm not sure, if I'm simply a problem magnet or why some stuff does not work as described... Here is another case. The tool I tend to use can be…
STM32 FreeRTOS and printf
After some more coding, I found some more issues with FreeRTOS and printf, not being solved by my fix below. If you need to get it fixed completely, look at…