A less LSD version of the preinstalled lsd_nickname app for the card10 badge on the chaos communication camp 2019.
left button: turn display on and set new color of nickname
right button: turn display off
LEDs are doing what they were made for - random blink!
1. Make sure you have the latest firmware installed!
Here's the update tutorial: https://card10.badge.events.ccc.de/en/firmwareupdate/
2. Put card10 into USB mode and connect it to your computer, as explained here: https://card10.badge.events.ccc.de/en/gettingstarted/#usb-storage
3. Set yout nickname by editing nickname.txt, if you haven't already: https://card10.badge.events.ccc.de/en/gettingstarted/#setting-your-nickname
4. Download this repository and extract the folder as lessd_nickname
5. Copy the lessd_nickname folder into yourbadge/apps/
6. Safely eject/unmount the badge USB drive and enjoy your new app!
If you like to hack around yourself, here's the documentation for card10 micropython: https://firmware.card10.badge.events.ccc.de/index.html