3 digit counter kit for RPM measurement
Reed switch motor with transistor control
Kit #5
How to Make a DC Motor Simple Science Project + Video from HST
All-in-One kit with switch: four motors of Kit #8 with a single switch control
Kit #9
#1 Value in Industrial Automation
Car Alternators Make Great Electric Motors; Here's How
Will electric vehicles really create a cleaner planet?
Electric motors and generators
Veggie Power Battery Kit Potato Battery Kit for Electricity Project
Measure With Digital, Encoder and Counter Sensors
Simple Electric Motor Kit #15 - DIY Science Projects & Kids Education : Toys & Games
Basic Electrical and Electronics Engineering
Build a Simple Electric Motor!
Arduino-Based Universal AC Motor Speed Controller
Electric Motor Design Software