Nov 1, 2010

Frank Zhao put together a USB business card. It’s even got the instructions printed right on the silk screen of the PCB explaining how it should be used. It’s based on an AVR ATtiny85 microcontroller that runs the V-USB package which handles USB identification and communication protocols. The rest of the hardware is pretty standard, the uC draws power...

Oct 28, 2010

Remember those movies where you had to know a secret knock to open up a passageway? Now you can make your own! You can do some amazing things with Arduino. Steve Hoefer of http://projects.grathio.com/ has designed a simple but amazing secret knock door lock using only some PVC pipe, a servo, a microphone, a few LEDs, and an Arduino board! Check out this amazing...