Adafruit USB LiIon/LiPoly charger - v1.2 CAD 16.50 / USD 12.50 Add a high-capacity rechargeable power supply to your project easily! HDMI Male to VGA With Audio HD Video Adapter CAD 21.50 / USD 15.99 Ever wanted to add HDMI to an older VGA monitor? This does it with audio breakout! Lithium Ion Battery - […]
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
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5% GST & Happy New Year!
Well, a tax break, who would've thought.... Though I did see a pig flying recently. For all you Canadians, you can now order and pay only the 5% GST - even before January 1st! Oh, and we won't be open on the 31st as we'll all be too busy preparing for our respective New Years […]
2003 LANL Workshop
We've got the official "OK" to open up registration for the 2003 LANL BEAM Workshop in Los Alamos, New Mexico. The 3-day workshop is from May 1-3, with the 1-day following on May 4. Check it out at any of the following links: Direct IP link (until the following DNS entries echo through the web) […]
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!
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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.