The idea of adorning oneself with glowing bits has been around forever, but instead of smearing ourselves with phosphorescent jellyfish or placing fireflies in ears like some uncivilized cavemen we went for simple LED earrings. We made a build that involves a simple slow-scroll RGB LED and a few reflective bits to bounce that pretty […]
Circuit: Stepper Motor
Dave Hrynkiw
July 12, 2007
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. Parts required are:
- 74AC240 Octal buffer chip
- 4 x CP0.1µF capacitors
- 100k resistor
- 2 x 47k resistors
MORE POSTS
Spyder Detail Pictures
One of the most popular BEAM Walkers ever built was Mark Tilden's VBug 1.1 - Spyder. We've recently had the opportunity to shoot a series of high-resolution detail pictures of this robot, which we're now making available to you!
New Products: All-Seeing Eye, LCDs
A while ago we showed off the prototype/demo for the All-Seeing Eye, and from the positive response it got we decided to bring it back as An Actual Thing. We even mounted it to a DragonTail, and let it go for a spin around the office. Check it out: We briefly toyed with the idea […]
Closed Wednesday, November 11th (Remembr...
Just a quick note to remind everyone that we are closed on Remembrance Day - Wednesday November 11 2015, and will resume responding to phone calls and emails the next day.
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Warning: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
Please visit www.P65Warnings.ca.gov for more information. This item was manufactured prior to August 31, 2018.