Open-Source Robotic Arm for All Purposes - A set of helping hands is a nice tool to have around the shop, especially if soldering or gluing s... - https://hackaday.com/2020/09/15/open-source-robotic-arm-for-all-purposes/ #steppermotor #robotshacks #opensource #3dprinter #mega2560 #arduino #printed #robot #servo #arm