Java on Raspberry Pi controlled “traffic lights”

Raspberry Pi + some electronic parts + Java + Pi4J

Sourcecode:
library: https://github.com/slintes/RaspiAmpel
program: https://github.com/slintes/RaspiFunWithAmpelAndMatrix/blob/master/src/main/java/net/slintes/raspiFun/RaspiFunAmpel.java

Links:

https://learn.adafruit.com/adafruit-raspberry-pi-educational-linux-distro/

https://jdk8.java.net/fxarmpreview/index.html

https://pi4j.com/index.html

Music: https://www.jamendo.com/de/track/35579/face-the-day