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December 26, 2020
Basic communication
Blog December 26, 2020

In my new chapter (including a video), I use Arduinos to show how simple communication between microcontrollers can be established. I use knocks and morse code to wirelessly transmit messages between microcontrollers.
November 13, 2020
2nd video about the LED matrix
Blog November 13, 2020

My second video about an LED matrix shows the boards that I have made with my sponsor NextPCB in detail. In this chapter, there is now the download package available that includes the KiCad and Gerber files as well as the software examples. With that you can order the boards and start your own experiments.
October 31, 2020
Video on LED matrix
Blog October 31, 2020

In cooperation with NextPCB, a manufacturer of printed circuit boards, I created a video on how an LED matrix works. This continues my series on "Physical Computing". A second video, that will present the circuit boards, that origin from my cooperation with NextPCB in detail, will follow, soon.
October 22, 2020
Kywoo Tycoon Kickstarter
Blog October 22, 2020

I got a pre-production unit of the Kywoo Tycoon 3D printer, for which a Kickstarter campaign is currently running. Here is my review including a video.
September 11, 2020
Project car
Blog September 11, 2020

In the hope that real Makerfairs will take place again in 2021, I am currently clearing my London taxi for the German MOT. A brief look at the construction site can be found in the chapter about my London Taxi International TX2.
September 01, 2020
Direct granules printer version 2
Blog September 01, 2020

Short before this year's Hackaday Prize was ending, I got a new version of my direct granules 3D printer up and running. You can see the current stage of development including a video in the new chapter about extruder V2.
July 24, 2020
Plasma printer
Blog 24. Juli 2020

I have built a Plasma Printer.
July 2, 2020
Adjustable joints
Blog July 2, 2020

My new series about "Machine elements" starts with the chapter about adjustable joints.
June 24, 2020
Remote controlled Raspberry HQ camera
Blog 24. Juni 2020

I have purchased two of the brand new Raspberry Pi HQ camera modules including lenses to give you a hand on these gadgets via remote control in my RoboSpatium. In the chapter with the build instruction you can watch my video about that project.
May 30, 2020
HP6602 printhead
Blog May 30, 2020

With an HP6602 printhead and an Arduino UNO I have built an inkjet printer.
May 22, 2020
User manual
Blog 22. Mai 2020

I have finally updated the manual for my rovers. If you know how to do it, feel free to drive around in my RoboSpatium.
May 20, 2020
Virtually Maker Faire
Blog May 20, 2020

On May 23, 2020 the Virtually Maker Faire 2020 takes place and I am participating with my RoboSpatium. Details including a short promotion video are available on my page about the World Tour Rover.
May 09, 2020
Rover R15
Blog May 09, 2020

My latest Rover is also the largest one I have built to date. It is based on a Hover or balance board. You can watch the video on the page with the build instruction.
May 05, 2020
Reading switches
Blog May 05, 2020

How to read the state of a switch and how to handle the pitfalls is written in my latest chapter about "Physical Computing".
April 28, 2020
Blog 28. April 2020

More peripherals to switch than GPIOs on your microcontoller? Demultiplexers are a possible solution.
April 24, 2020
Amplifying digital signals with ICs
Blog April 24, 2020

How to amplify digital signals and so how to switch loads with GPIOs using Integrated Circuit chips including example circuits is shown in my latest chapter about "Physical Computing".
April 20, 2020
Blog April 20, 2020

The latest chaper of my series about "Physical Computing" shows how to switch an LED matrix.
April 15, 2020
P-channel MOSFET
Blog 15. April 2020

After talking about N-channel MOSFETs, the new chapter in my series about "Physical Computing" describes how to switch loads with P-channel MOSFETs.
April 12, 2020
Happy Easter holidays!
Blog April 12, 2020

You can hunt for Easter eggs in my RoboSpatium for the first time. The event takes place on April 12 + 13, 2020 for a couple of hours each day. If you'd like to participate in the exploration, you must enter my RoboSpatium and drive Rover number 17.

Have fun!
March 28, 2020
Switching loads through N-channel MOSFET
Blog March 28, 2020

I have added a chapter about switching loads with a N-channel MOSFET to my "Physical Computing" series. With that, you can learn how to shift the limits of GPIOs in order to control high loads with your Raspberry Pi or Arduino.
March 17, 2020
Parts for Rover R15 arrived
Blog 17. März 2020

The parts for my next Rover project have arrived. It is a project with multiple sponsors being involved:
The vehicle will be based on a so called "hover or balance board" that I got from
The electronic components needed to turn the board into a remote controlled vehicle are from RS-Components.
I got the filements needed to print the mechanics from Clemens Mayer (, with the words "make something". That something will become my largest Rover so far, suitable for outdoor missions so that the sphere of influence of my RoboSpatiums will grow.
March 11, 2020
The pi-top[4] based rover R14 is up and running
Blog 11. März 2020

My latest Rover, based on a pi-top[4] is up and running. The build instruction is online and you can drive it in my RoboSpatium. Have fun!
February 18, 2020
I got a pi-top[4]
Blog 18. Februar 2020

The developers of the pi-top company asked if i'd like to start a project with their latest product, the pi-top[4]. My idea to create another Rover for my RoboSpatium was accepted and so the package entered my workshop a couple of days later. The Rover isn't finished yet, but I'd like to give you a first look on the pi-top[4].
January 16, 2020
My first resin printer has arrived in my workshop
Blog January 16, 2020

With the Longer Orange 10 I got my first DLP printer. This printing technique hardens resin selectively through UV light. Details about the working principle are available on my Orange 10 review page.

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