This sensor measures 10 full turns, 3600 degrees of rotation goodness.
Put your finger on the Phidgets circular touch, and it feeds the data back to your PC!
Sometimes you need to measure how fast a wheel is going on your GM 2/3/8/9 gear motor. Here's your solution!
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.