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Published on Feb 4, 2010
Two dot matrix printers play a Czech Christmas carol called „Nesem vam noviny. The sound track was recorded apart, but everything you hear was generated only by the print head pins and the stepper motors as you can see in the movie - no additional sound sample or effect was used. The printers were controlled by Matlab/Simulink using Humusoft DAQ board and custom power electronic. This project was created at Czech Technical University in Prague, Faculty of Electrical Engineering as a joke for a Christmas party on Department of Control Engineering