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This is a neat little one-chip circuit we originally tuned for use with our "SM1" Stepper motors. We've presently sold out of the motor, but this circuit has proved to be a good unidirectional (1-way) driver for small stepper motors.

We missed last week's Cool Links, so we'll empty our backlog and throw a few extras your way. 1-Bit Symphony This whole album is chiptunes all done on a microcontroller and placed in a CD case. The album/cover art is actually what makes the music. Ted Talk - Massimo Banzi: How Arduino is open-sourcing imagination […]

We've been researching a manufacturer for a shiny new product we are working on (shhh, don't tell anyone and stay tuned for the reveal!). What we have been looking for is a metal spinner. Metal spinning, also known as spin forming, spinning, or metal turning most commonly, is a metalworking process by which a disc […]

Brainwave Pro 3-Axis CNC controller For Kossel $185.83 The Kossel Pro uses the Z-Designs Brainwave Pro controller, which is the product of a close collaboration between Terence Tam and Mike Ziomkowski, based upon Matthew Wilson's original Brainwave low cost 3D Printer controller. Kossel Ball Joint Set Kit $78.00 These are not repurposed RC Car ball […]