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December 22, 2021
Syringe Extruder
Blog December 22, 2021

Making cookies 2.0 with a 3D printer and a DIY syringe extruder.
November 13, 2021
3D printing sugar
Blog November 13, 2021

In the household a very common raw material, in 3D printing, however (at least so far), sugar is almost unused. This material can be processed with my direct granules extruder. Video number 5 on the extruder shows what to keep in mind when printing with this exotic material.
November 7, 2021
Hackaday Prize 2021
Blog November 7, 2021

I entered the finals of the Hackaday Prize 2021 with my direct granules extruder! A video of up to 5 minutes must be created for the jury to present the project. This is video number 4 about the extruder.
November 3, 2021
Aufero Laser 1
Blog 3. November 2021

With the Aufero Laser 1 from Ortur, another laser cutter or engraver has entered my workshop.
October 30, 2021
Development history of Extruder V3
Blog October 30, 2021

Another video gives a deeper insight on the development history of Extruder V3.
October 23, 2021
Details about Extruder V3
Blog October 23, 2021

Now a first Video on the working principle of my extruders is online.
October 17, 2021
Direct Granule Extruder V3
Blog 17. October 2021

The deadline for an application for a fellowship of the Shuttleworth Foundation "forced" me to publish the status of my research on my direct granulate extruder earlier than planned. In addition to a video that shows the extruder in action and in which I briefly address the extraction of raw material from failed prints, there is also a first, short build instruction for version 3.
September 2, 2021
LK5 Pro: Warping
Blog 02. September 2021

I received an offer from Longer for a 3D printer that I was supposed to present in a video. Since I now find review videos totally boring and also had two unused ABS spools lying around in my tinkering basement, I instead examined how "warping" can be minimized by software.
August 11, 2021
Robotic arm composed of roof battens
Blog 03. August 2021

As a weekend project I have created Robotic arm V1.0 using roof battens and other things I found in my workshop. Writing the documentation and recording a video took much longer. Looks cheap and that's what it is. However, it works much better than is looks!
July 23, 2021
Python for a laser engraver
Blog 23. Juli 2021

With the Ortur Laser Master 2 Pro I got a laser engraver, with the help of which I will add chapters on machine control to my series on "Physical Computing".
July 13, 2021
File upload to a webserver
Blog July 13, 2021

In the new chapter about the software side of "Physical Computing" I am demonstrating how to upload files to a webserver using a Python script and HTML.
June 23, 2021
Suitcase Rover R19
Blog 23. Juni 2021

My latest laptop has 4 wheels and is based on a Raspberry Pi 4. The build instruction of R19 is online, including a video showing the vehicle in action.
June 13, 2021
Text terminals
Blog June 13, 2021

With the first two "prototypes" of text terminals, which I am presenting in a new chapter on "Physical Computing", I will show in future chapters, how to transmit text messages, securely.
May 27, 2021
Python script as background service
Blog May 27, 2021

How to pass parameters to a Python script running in background, is demonstrated in a new chapter on "Physical Computing".
May 23, 2021
Pulswe-width modulation in Python
Blog May 23, 2021

I describe, how pulse width signals are programmed in Python. A special pulse width signal is required to control servos, which is also shown in the new chapter.
May 08, 2021
Switching GPIOs via web server
Blog May 08, 2021

The next chapter about the software side of "Physical Computing" demonstrates how to switch GPIOs via the web server Apache.
May 06, 2021
Python: Switching GPIOs
Blog May 06, 2021

So far I have not eplained anything in depth about the software side of "Physical Computing". That will change now. The first chapter deals with switching GPIOs using "Python".
April 21, 2021
Rover R18
Blog April 21, 2021

My latest rover, called "R18", is also my cheapest robot to date, which is why I made three of them. The software required to control it via a browser is also quite compact, but I put lots of effort into the build instructions, including a video.
You can see which of the three new servants is currently online and therefore free for a test drive in my RoboSpatium.
Have fun with exploring my robot room!
April 13, 2021
Mingda D2
Blog 14. April 2021

My review of the Mingda D2 is also a look back on 4 years of 3D printing.
To the right on the title photo you can see a new vehicle for my RoboSpatium. While recording the video of the Mingda, I have printed the parts needed to build a new type of Rover that will be coming next.
March 2021
Blog 16. März 2021

The "WorldPrinter", a machine I have created for an art installation of Theo Deutinger, arrived in Graz, Austria. All details about the project are available in the new chapter.
In the shipping box of the WorldPrinter, one of my Rovers traveled to Graz, too. More about that in my RoboSpatium.
February 19, 2021
Isolation milling with the CNC 3018Pro
Blog 19. Febrnuar 2021

With the help of a CNC 3018Pro from Mostics I have dived into isolation milling and so made a PCB. The full report including a video is available in the new chapter.
January 23, 2021
Pi and More 12 1/4
Blog January 23, 2021

My RoboSpatium is part of the Pi & More 12 1/4 on January 23rd, 2021. On this day R 16, R17 and R18, the prototypes of myWorld Tour Robot are a online in my robot room. Become part of the event and drive my robots during the live video stream (and beyond)!

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