Set up cross-compile toolchains in Docker to save time (OpenWRT build system for AR9331)

Witmotion Servo Control Reverse Engineering

Writing a Python driver for the Witmotion 16-channel Servo…

DIY Telepresence Robot: Part 1

I built a telepresence robot for about $400

DIY Telepresence Robot: Part 2

An oversized RC tank base, a tripod, and scooter batteries = a…

Converting Ethernet to RS232 converter to TTL

The USR-TCP232-302 is an inexpensive little box that basically gives you a RS232…

DIY Telepresence Robot: Part 3

Lasers. It needs more lasers.

DIY Telepresence Robot: Part 4

The software that drives it

Deskbot Part 3: 3D Modelling

I model up the robot in 3D using Sketchup, so that I can generate both a…

Deskbot: Part 1 — Parts list

It’s been a few years since I’ve built a robot outside work. So it’s time to refresh those robot skills.

Deskbot: Part 2 — Assembly

I assemble the robot, and talk about how it’s not great. Also, I pick up a…