Technology

Unbrick or downgrade any PSP

Unbrick or downgrade any PSP

The PSP hackers over at noobz.eu have released a killer tool for fixing any bricked PSP, restoring it to v1.5 firmware. When the PSP boots, the hardware checks for the serial number on the battery eeprom. If it’s 0xFFFFFF, it loads firmware from the memory stick instead of from internal flash. You use a working […]

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. […]