OTTO DIY

git clone https://github.com/OttoDIY/DIY.git

http://www.ottodiy.com/

git clone https://github.com/OttoDIY/PLUS.git

https://www.hackster.io/ottoplus/otto-diy-arduino-bluetooth-robot-easy-to-3dprint-33406c

git clone  https://github.com/OttoDIY/ch340g-ch34g-ch34x-mac-os-x-driver.git