Robot Drawing on Whiteboard
I have recently built a robot drawing on a whiteboard using a Raspberry Pi 3 and Lego-motors. I have made a video of me controlling it. Here is a presentation of the robot's setup and the way it is built.


Equipping a Raspberry Pi With Sensors
Recently I decided to blow the dust off my old RPi 1B and buy a package of sensors and emitters: Sunfounder's Sensor Kit v. 1.0. This is a guide to its usage.