555 Contest winners to be announced tonight

555_contest

It’s been nearly two months since the official entry portion of the 555 timer contest came to a close, and the judges have been busy poring over the 200+ entries since. Now that the votes have been tallied, it’s just about time for the official results to be announced. The results will be live streamed this evening at 9pm Eastern, and you can watch the results here on uStream or here, with … [Read more...]

Apple II Weather Display (part 3)

Exif JPEG

In parts 1 and 2, I discussed the important parts of what is going on the PC side with lua. While not 110% detailed I hope it gave you an idea on how the data is processed so the Apple II computer could quickly digest it. Now its time to see what happens at the other end of the serial cable. I am using basic, but its not 100% off the rom Applesoft basic, that would be even slower, so I am using a … [Read more...]

Magellan GPS hack for hassle-free charging

magellan_hack

Hackaday reader [Paul] recently shared a simple hack he put together via our Flickr photostream. It seems that his Magellan GPS unit is pretty finicky when it comes to power supplies. When connected to the Magellan adapter, the GPS unit charged as you would expect. When connected to a PC, it sensed the connection and allowed its file system to be mounted, just as it was intended to … [Read more...]

Defcon 19 Call for Workshops

defcon

The crew at Defcon is hard at work getting things ready for this year's event, taking place over the first weekend in August. While the typical call for papers has been out for almost two months now, the extra space afforded by the RIO hotel has given the organizers a chance to shake things up a bit and try something new. Along side the call for papers, they have issued a call for workshops. … [Read more...]