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
Dan sent in a cool Automated Dartboard Score Monitoring project that he just completed. It is based around a dartboard that already has a ton of smarts built into it. The cheap ($15) dartboard has built in sensors that can detect what score area was hit and keeps track of the score on a built in LCD screen. How can this system be made better? Well you could install
Martin Raynsford has built a cool looking laser cut walking robot. It was cut from 3mm plywood which is also a favorite of mine. In the video you can see how smooth the action is. Looks like the built might have taken quite a bit of time since there are a ton of small pieces and each one was connected using bolts and locking nuts. The motor sounds a
Matt Richardson has taken some NXTChuck LEGO MINDSTORMS Wii Adapters and built a pong game out of the NXT system. I have never had a close look at the LEGO NXT language before, it looks much more robust than I would have expected. As most other platforms have chosen, it looks to be a variant of C. If you are planning on interfacing some nunchucks to your LEGO NXT and
If your last radio was picked up at a department store you might want to treat yourself to a stylish one next time. Check out this Laser Radio by Tom Kipgen from Tom’s Designer Radios. Nothing stock here! The image above shows a consignment job that he did for someone looking for a radio with a James Bond 007 feel. If you want to see a video of one
If you would like to take macro photographs with your iPhone or iPod you would be out of luck if you have a stock one in your pocket. But if you are like many of us your ever growing junk box of various pieces and parts might come in handy to give you macro capability. Seventeen year old Instructables user Radioactive_Legos has built such a device. He dug out
