Tinkering with Raspberry (and other things)

Tiny Word Clock with Attiny85

The “Hello World” of microcontroller projects undoubtedly is a clock. As this was my first try with an Attiny85 I decided to build a tiny version of my big living room word clock (which is 40 x 40 cm) and put it into an IKEA picture frame.
I have been using an 8×8 LED-matrix (WS218b, Adafruit Neopixel compatible) and the first challenge was to get the German words for the different times into this 64 positions. The source code is heavily based on Adafruits tutorials. Continue reading