Open Source Hardware

Wave Shield kit for Arduino

Wave Shield kit for Arduino

Ladyada’s just churning out the new kits these days; I’m not sure she’s human. The latest: Adding quality audio to an electronic project is surprisingly difficult. Here is a shield for Arduinos that solves this problem. It can play up to 22KHz, 12bit uncompressed audio files of any length. It’s low cost, available as an […]

PIC based countdown timer makes you early

PIC based countdown timer makes you early

This PIC based countdown timer was used to control lighting for the Ultra-Violet exposure of photosensitive PCB material, although it would come in handy for many other applications, such as cooking, or even exercising. It also includes an audible alarm when the counter finishes and relays control to turn on or off the lights. PIC […]

Peggy 2.0 released

Peggy 2.0 released

Our pals over at Evil Mad Scientist Laboratories have released version 2.0 of their awesome Peggy LED pegboard display kit. I had the pleasure of seeing this thing in action at last week’s Maker Faire. I want. …Peggy 2.0 still does the same darn thing: it provides efficient power to a 25 x 25 array […]