November 10, 2012

Name the Thing Contest – 210
Contests

  The prize this week is a credit card knife, it has a ton of features to get you out of a jam in a network closet or your next camping trip. This contest will run for one week (November 10 – 16, 2012). Ending time is based on central standard time. To enter, identify the item above and what it can be used for. Please do not give the

DIY Spot Welder
DIY Hacks

4

  Using a transformer for an old audio amp and a case made from an old computer power supply sure does make for a good looking DIY spot welder. It also has some smarts built in to detect when the welding electrode has been lowered to allow for a slight delay before the welding power is turned on. A pot is adjusted to change the actual weld time so you