This NOS 12VDC 1A 3-coil brushless servo motor with 36 steps per revolution was for a printer, maybe. Or a scanner, maybe. Whichever, it's mounted on a 2-1/2" x 2" plate with a 3/4" long shaft with a 5/8" dia rubber wheel out one side and a 15-tooth, 2" dia plastic sprocket on the side with the leads. The white lead feeds a Hall effect sensor, then ground, +5V control, and then the three coil leads Samsung P/N 02914900.
This 12VDC tin-can stepper motor from the Nippon Pulse Motor Co. is a uni-polar 2-phase with 50 Ohm coils drawing 240mA per phase. Moves 48 steps/revolution with a 1/10 gear head at the output. Measures 1-5/8" dia x 1-1/2" on a 1-11/16" square mounting with 1/8" mounting holes. The offset flattened shaft is 1/2" long x 3/16" dia. Has (6) leads with a Molex connector. Part #PF42-48.
Nice little pulley unit kit includes (1) pulley each at 50, 30, 25 and 20mm and (3) pulleys at 11mm, plus myriad bushings, a small motor, (2) belts and a belt guide, base, mounts and assorted hardware. Includes graphic assembly instructions, plus a couple of rudimentary drawings with suggested projects. It's a mechanical science project waiting for a home.
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