Open Source Hardware

Embroidered LED matrix

Leah Buechley, everybody’s favorite e-textile expert, created this machine-embroidered LED matrix, alternating the top and bottom threads with conductive thread in order to use the fabric as a barrier between the two electrical traces. Very cool wearable display! Via Hackaday. More: All about Charlieplexing LEDs

RepRap magnetic rotary encoder

RepRap magnetic rotary encoder

Zach writes – I’m very proud to announce a new board, designed and developed by the RepRap Research Foundation. Its called the Magnetic Rotary Encoder, and it uses a magnet to provide positional feedback information. It is based around the AS5040 chip, and provides 10-bits of resolution per rotation (1024 different positions!) It has 5 […]

Mister Jalopy on NPR

Mister Jalopy on NPR

(NPR photo by Jolie Myers) MAKE Contributing Editor Mister Jalopy (Los Angeles, CA) was profiled on NPR’s Day to Day. Mr. Jalopy describes himself as a mediocre welder, a fair mechanic and a clumsy designer — not the type of fellow one would expect to create what he playfully calls the “biggest iPod in the […]

Excercise bike Arduino

Excercise bike Arduino

Johan writes in – Imagine this: A 30 something bearded man in shorts with a multi-meter connected to cables out of an exercise bike trying to remain balanced an read the multi-meter at the same time as he is turning the pedals with one foot and listening to a beep from the multi-meter. My wife […]