Technology

Electrolytic rust removal

Electrolytic rust removal

ToolNut put together a nice guide for using electrolysis to clean up rusty tools: This is a relatively simple, safe and cheap way to remove light or heavy rust from any ferrous object. I used this process to restore an old wood plane that I bought for $1 (it looked totally un-usable because of the […]

Defconbots autonomous sentry gun

Kevin Hjelden and his friend Joe built this autonomous shooter for this year’s Defconbots competition. They described the build before they started: The electronics for this project are going to be relatively simple as well. To control the three servos (pan + tilt + firing), we are going to use the Pololu 8-channel servo controller. […]