All Projects
This post is a complete guide on how to set up secure communication from a local Node-RED server to a server on the public internet using TLS-encrypted MQTT messages. In my concrete case, I have a Raspberry Pi running Node-RED to collect data from multiple sensors in my local network. Read more…
I built a small project to test the Raspberry Pi Pico with the Pico LCD 1.3 module. This turns out to be a very nice gift for any person who sits in the office all day. The device will remind every 30 minutes to drink water. You can connect it Read more…
I developed a 3D-printed robotic hand during my studies at the Technical University of Munich. I used a 3D printer to build the mechanical parts and a Raspberry Pi Pico for controlling the motors. Background Every four years, ETH Zurich organizes the CYBATHLON competition (cybathlon.ethz.ch), in which teams from all Read more…
Here is one more small project I build on one weekend. the starting point was a spare “Raspberry Pi Blink!” mini LED strip originally planned for a Raspberry Pi. I wanted to build at least a little bit useful project with these eight LEDs. A seven-segment display is therefore perfect Read more…
In this article, I present my basic hardware and software parts for a smart LED lamp project, which is to be controlled via WiFi. Two examples of such a project are a decoration LED tube light and my newest word clock, which requests the time via the Internet and displays Read more…
Two years ago I already built a word clock with NeoPixel LEDs. You can find the article about it here. At that time I built the word clock only with an Arduino and queried the time via radio. But this time the plan is to make the clock bigger, prettier Read more…
This project is part of a larger project to collect and visualize data from a heating system in my house. The heating system consists of several heating sources (wood, heat pump, solar system, and oil) and two large heating circuits (two buildings). In this post, I would like to present Read more…
Design your own lamp? Not easier than that. Here is a step-by-step instruction on how I build my own DIY lamp from wood. For the DIY lampshade shown, we only need three materials: Wooden board 25x25cm – 18mm thick wooden stick 5x10mm – 20cm long some wood glue Step-by-step instructions Read more…
In this post, I shortly describe how to install Docker on Raspberry Pi 4 running Raspian Buster. There are many tutorials available describing the process, but I faced always an error when trying to install Docker on my Raspberry Pi 4. So I share here how I got Docker finally Read more…
This post summarizes the steps to program an ESP8266 with an own program written with Arduino IDE. I used the ESP8266 for example in the project MANU – 3D printed robot hand. Installation of Arduino IDE First, the latest version of the Arduino IDE needs to be downloaded and installed Read more…