If you own several badges, cards, or tickets and would like to automatically publish the number of unused badges on the web in real-time, there is no off-the-shelf solution. This post describes how to build such an IoT system.
Continue readingTag: Prusa i3 MK3
A Sunset Cache Box
The featured image of this blog post has been generated by Stable Diffusion.
What does it take to build a geocaching box that can only be opened at sunset? A box, a button, an electronic lock, an electronic clock, and a controller that ties everything together.
Continue readingSD-WIFI by FYSETC: Wireless 3D printing
How do you communicate with your 3D printer? Carrying an SD card between your computer and the printer? This can end now using the SD-WIFI module! If you try to get it running on a Mac, some extra effort may be necessary.
Continue readingSynchronism
The featured image of this blog post is by Steve Buissinne on Pixabay
In 2013, we found the Seattle-Köln Exchange Multicache, which requires cooperation between geocachers from Cologne and Seattle. This led to the idea of a geocache where two people at different locations had to press a button at exactly the same time in order to be able to open their respective cache boxes. And now the idea has become a reality!
Continue readingCreate Your Own World: Print it!
The featured image of this blog post is by Lutz Peter from Pixabay
Now it has happened. I finally assembled the 3D printer kit Prusa i3 MK3, which I bought in 2018.
Continue readingWinter is coming …
The featured image of the blog post is by NettPix from Pixabay
And now, there is more time to sit at your desk and do “nerdy” things, such as soldering and coding.
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