Wireless brake light helmet

wireless brake light helmet

[Firoz Ahammad] added 5 ultra bright LEDs to his motorcycle helmet. It uses a Maxim wireless tx/rx pair and is powered by 3 rechargeable batteries. He spaced the LEDs evenly across the thickest area of the helmet. I personally wouldn’t mod my safety equipment or I’d at least put the LEDs in preexisting vent holes.… Read the rest

Pong LED hat

pong led hat

[lain]‘s newest wearable project features two 21×10 dot displays (front and back). The panels are constructed from 5×7 LED modules from HP. The display is driven by an AVR ATMEGA32L. The 21×10 matrix would require 31 wires, but lain implemented a shift register so only 4 wires are needed. The hat has a microphone so it can do beat detection … Read the rest

USB WiFi external antenna

usb wifi antenna

[ronobvious] purchased a Ralink based USB WiFi adapter for use with Aircrack-ng. It worked well so he decided to add an external antenna connector. The connector from Linx Technologies that he chose is really what makes this installation clean. It’s a card-edge design so you just slip it over the end and solder the pin and ground leg. He’s … Read the rest

Screwdriver RC car

screwdriver RC car

[don] built this RC car using two $10 cordless screwdrivers and a few parts from his bin. He cracked open the screwdrivers and relocated the switches to the outside. These micro-switches are activated using some servos and radio gear he had laying around. For as little time as it took to build, the car seems pretty serviceable. He mounted a … Read the rest

Automated Master Lock crackers

master lock cracker

[xander] sent in links to two machines designed to solve padlocks automatically. The first one just modified an old robot project since it already had the necessary stepper motor. The second one was built from scratch and includes a solenoid to test the lock. Both systems are just brute forcing the combination, but they do use some shortcuts. Even though … Read the rest

Team Hack-A-Day completes 25,000,000 points

25million points

It has been a while since I’ve mentioned our unofficial Folding@home team; that doesn’t mean we’ve stopped crushing the competition. We recently completed 25 million points and are ranked 32nd in the world. Pretty good for a team that only really got rolling last October. That much processing power would rank us as #91 in the Top 500 SupercomputersRead the rest

How-to build your own CNC mill

cnc mill

Yes folks it’s true: You can build a computer controlled 3-axis circuit board mill from cutting boards, a pile of printer parts and a Dremel. My coworker [Will] has posted the third and final installment of his CNC machine build on Engadget. This project was launched when Will stumbled across plans for an incredibly elegant and cheap ($22~$30) 3-axis stepper … Read the rest