To place an order, call
800-323-2439 or 214-340-0265


10557 Metric Drive
Dallas, TX 75243
Ph: 800-323-2439 or
214-340-0265
Fx: 214-340-5870
SM-KIT7
Motor with Optical Control

This is a great educational tool in helping to learn basics of electricity, magnetism and electronics. It is a very reliable motor with easy to follow illustrated assembly instructions.

Basic knowledge about electronics and some soldering skills/tools are required for assembly.

  • SM-KIT7 contents

  • Kit Contents:
    1. Optointerrupter
    2. PNP power Darlington transistor
    3. Resistor 270 Ohm
    4. Resistor 4.7 K
    5. Spool of magnet wire (50 ft or more of 27 gauge insulated copper wire)
    6. 4 magnets with South pole marked
    7. Glossy magnet labels
    8. Heavy duty board (approx. 5" x 6") with stands position color marks
    9. Electromagnet stand (marked with green star)
    10. Rotor stands (marked with blue and silver stars)
    11. Square wooden stand for the optointerrupter
    12. Rotor core with 4 flat surfaces
    13. Optointerrupter disk
    14. 2 sequins
    15. 4" precut nail pre-wound tape for the electromagnet
    16. 2 caps with a center hole
    17. T-pin
    18. Round wooden rotor insert
    19. Pushpin
    20. Rubber plug that allows you to attach disks, propellers, etc.
    21. Super glue
    22. Piece of sandpaper
    23. Battery holder
    24. Jumper wire (to experiment with 4 different voltages)
    25. 3 ft of hook-up wire (1 piece or precut - 4 pcs)