Sometimes you need to measure how fast a wheel is going on your GM 2/3/8/9 gear motor. Here's your solution!
Get two GMWW02 encoders in one package. Now shipping the new WW-02 version.
When the WheelWatcher servo encoder is added to a standard-size RC servo, it accurately senses direction, distance, velocity and acceleration.
The Phidget Touch Sensor is for the Phidget 8/8/8.