We're drawing to a close of the Mark Tilden/Solarbotics B.I.O.Bug contest. Due to close March 4 (the Monday after the weekend), this event is to see who can perform the best hack/reverse engineer on a Hasbro/Wowwee B.I.O.Bug. Two lucky winners get a full Quad of BIOBugs (one of each type) from Mr. Tilden, and if […]
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
Latest from our Favourite BEAM Roboticis...
Wondering what Mark Tilden and his crew at Wow-Wee have been up to lately? Thanks to Engadget and the BEAM-mailing list, we can see what they've released at the latest "Consumer Electronics Show" (CES), here on this page and this page. Love the Elvis head... just gotta drop that chip into the monkey head they […]
Turbot Winners...
New updateWe've got confirmation from all three Turbot winners! They are: Scott Williams of New Jersey, USA, and... Amin Younes of New York State, USA! Emiel Roumen of the Netherlands! ps: Turbot kit looks like it'll be ready real soon!
Calgary Stampede - YaHOOO!
Don't expect too much productivity out of Solarbotics in the next 11 days as the Calgary Stampede commences tomorrow morning with the annual parade. The boss (me, Dave) is giving the morning off to the staff to see the festivities, so we'll be open at 1pm Friday July 8. As for the better part of […]
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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.