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
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 reading
SD-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 reading
Synchronism
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 reading
Create Your Own World: Print it!
Now it has happened. I finally assembled the 3D printer kit Prusa i3 MK3, which I bought in 2018.
Continue reading
Winter is coming …
And now, there is more time to sit at your desk and do “nerdy” things, such as soldering and coding.
Continue reading