UpSubject: Wheel watcher addon encoder system for gearboxes
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The Wheel Watcher low cost incremental encoder system enables robot builders to quickly add closed loop control. Both ChA/ChB raw quadrature outputs, and decoded Clock and Direction signals are available. The clock signal produces 25µs pulses at each transition of ChA or ChB, providing a 4x increase in resolution – 128 clocks per servo rotation – while the direction signal indicates the decoded direction of rotation, making it very easy to add to any microcontroller. When the WheelWatcher servo encoder is added to a GM style gearbox, it accurately senses direction, distance, velocity, and acceleration. Installation is easy using the provided hardware and alignment tool. Applications: Dead reckoning * Odometry * Closed-loop position, velocity, and acceleration control * Stall detection. Features: Easy installation, Simple interface, 128 clocks per rotation. Gearboxes and Wheels not included. |