If you visited my site before then you probably know that I am always watching out for some cool robotics stuff. I was looking for some C code samples for magnetic encoders when I stumbled over something really exiting. I didn't knew about BB-8 before... Now I can't wait for X-Mas to go the movies!

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In June 2015 I offered an Arduino Beginner Seminar. One of the students questions was if we could output information that is stored in an array to a LED matrix. Here is the example code that I promised.

Today I also spent some time soldering SMT components. I ordered the LED matrix as a kit which I believe consists of about 100 parts and requires approximately 800 solder connections. Don't worry, it does not take as much time as it sounds. Given everything works on the first attempt the whole thing is completed in about 90 minutes.

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