A while back I stumbled across a very interesting electronics project that I was really keen to try myself. BrachioGraph is a 2D plotter that is based on the raspberry pi computer and is extremely simple and cheap to build. I followed the original design with a few small modifications to build my own. More specifically: I replaced the Tower SG90 servos in the articulated segments with metal gear MG995 ones to increase stability and reduce jerkiness during drawing. I added two metal brackets t...
