The simplest answer was to use the USB port for serial communications. So the next issue was how to communicate between the Raspberry Pi and the micro:bit. Also, I hoped to be able to use the compass on the micro:bit to see which direction the robot was facing. It has a simple display for showing the operating mode of the robot - and 2 buttons to allow us to change modes. ![]() ![]() ![]() Although the main controller had to be a Raspberry Pi, we also wanted a way of displaying which operating mode the robot was in, and also have a way of changing modes on the robot in case we had issues with remote control on the day. ![]() In 2019 my family and I entered the annual Pi Wars competition in Cambridge with a robot called Sputnik.
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