Here’s how to make a DIY LM317 power supply… Being able to poke voltages into your projects will help you debug. You can buy an adjustable power supply for $50 or so, or build your own from a kit (another one) Just look for any power supply kit that has a LM317 in it. You […]
If you’ve ever needed to place a VGA monitor further than the standard 6 foot cable allows, you may be familiar with some of these problems: VGA cables are expensive Several cables chained together affects signal quality Running a VGA cable through conduit is pretty difficult You can avoid a lot of these problems by […]
Summer is over. Let the Halloween hacks begin! This one, sent to us by David Fowler of uC Hobby, uses printer mechanics, a BASIC Stamp, and a Park Zone light (an ultrasonic proximity detector used for tight-space garage parking). It senses when someone is close to the front door and triggers a pumpkin to rise […]
Here’s an innovative use of recycled HD-video electronics: NSA@home is a fast FPGA-based SHA-1 and MD5 bruteforce cracker. It is capable of searching the full 8-character keyspace (from a 64-character set) in about a day in the current configuration for 800 hashes concurrently. The cracker is built out of surplus Grass Valley HD video transform […]
“ThoughtFix,” over at UltraMobileGeek, has a piece on how to add an internal USB hub, for adding Flash memory and ReadyBoost (the Flash-based memory cacher for juicing Vista) to a UMPC, in this case, the eo V7110. He’s not sure what he’s going to do with the other two internal ports, maybe add more Flash, […]
I decided to brave the manure, mullets and *-on-a-stick this weekend and swung by the state fair. It seems like every time I go there are a couple people walking around all day with enormous stuffed animals, presumably won through some feat of basketball tossing or ring flinging. Enormous. Impossible to win enormous. Paid carnival […]
Michael O’Brien, a.k.a. Turbotron, has posted pics of this project to the MAKE Flickr Pool. It’s a mint-tin amp based on the LM386 chip, the same op-amp chip used in the MAKE Mousey the Junkbot and Cracker Box Amp projects. The case is an Altoids box, painted gloss black enamel, the grill is from a […]
