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The 2018 Manifesto: Every day in November make a thing – if you can’t do it every day then do what you […]
– Get the latest copy of Raspbian from [[https://www.raspberrypi.org/downloads/raspbian/|here]] – The easiest way to burn the image is to grab an application […]
https://www.microcontroller-project.com/rs485-communication-between-arduino-mega-and-arduino-pro-mini.html
This is not one of my designs, it is one I have downloaded from Thingiverse (STL)