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

July 2, 2003
Yumpin' Yimminy - No SolarSpeeders?!?

Due to the unusual circumstance of several large volume orders coming through, SolarSpeeders are sold out! Our apologies - we're working on getting more together ASAP. Hopefully by the end of July.

October 27, 2004
New Parts Available

We are now stocking the Microchip PIC16F877A microcontroller individually that is used in our K SV-PIC kit. It is a very versatile and powerful chip, and you don't even need to buy 1000 at a crack! As well, we are selling the motor that is straight out of the GM2/3/8/9. Dontcha just hate it when […]

April 3, 2002
WCRG Coming quickly!

The Western Canadian Robot Games is quickly approaching! May 10 & 11; SAIT Heart Building. Solarbotics will be there again, sponsoring (among other things) our own SolarSpeeder race. Aim your solarspeeder through a 4" gap in a wall 8 feet away, and win a ScoutWalker II kit! No registration required - just come on down […]

July 12, 2007
BEP Application: Servocore Walker

BEP02-Complete-120_2035.jpg
The following instructions detail how to build a Servocore walker. A Servocore walker differs from a regular walker by utilizing the internal electronics in unmodified servos, which give position feedback from the motor in the servo. This position feedback allows for very long stride lengths without the use of mechanical stops or springs.

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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.

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