...and it was fun! Solarbotics was busy, showing off our new kits and gear motors, and shaking hands with a large number of our customers. Yeah, there weren't any "official" BEAM events, but we still had a good time running our Solarbotics-sponsored SolarSpeeder race, with the winner being 8(?) year old Devon Bateman (taking home […]
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
Sherline Closing Sale
Because we use their great products while making robots, we've also carried Sherline products almost since we started Solarbotics. But the time has come to start cutting things that aren't core to our business, and the Sherline machine tools definitely take valuable time from open-source hardware hacking, lasering, and pick'n'placing. For 1 week only, we're […]
Review of the Scoutwalker II
Nuts and Volts author Robert Nansel has reviewed our SW2 kit and has written up an excellent review. You can get a sample magazine from the Nuts and Volts website or search their distributers page for where you can get the magazine. Check out the add on page 53 for our add, as well as […]
We are Back
We are back, ready to take your orders. Not only are we back but we are ready for a new year with many things to serve you better. We have brought back the SCPD solar cells. Future enhancements and improvements in the online web ordering. Expect future enhancements such as more videos, more data on […]
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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.