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wheel encoder system More Details: The WW-11 WheelWatcher incremental encoder system enables robot builders to quickly add closed-loop control to their robots. The WW-11 provides standard ChA / ChB raw quadrature outputs (90 degree phase shift between channels), decoded clock and direction signals, or serial output of position and velocity. The clock signal toggles at each transition of ChA or ChB, providing a 4x increase in resolution compared to the number of stripe at 128 clocks per servo rotation - while the direction signal indicates the decoded direction of rotation, making it very easy to add to any microcontroller. The new serial output mode does all the hard work for you - it keeps track of and reports current position (a signed 32 bit integer) and also measures and reports current velocity in encoder ticks per second. Serial data is output only when encoder ticks occur, up to a rate of 100 updates per second at 38400 baud. Dimensions: All dimensions are in inches and approximate unless otherwise specified.
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