Description
ICSH044A BLACKBERRY TRACKBALL BREAKOUT BOARD AA204
The four spindles on the ICSH044A ICSTATION Blackberry Trackball Breakout Board 360 Degree Trajectory Ball Module Hall Effect Sensor have a tiny circular magnet the end; each of these is paired with an SMD hall effect sensor, which is used to measure up, down, left and right movements of the trackball.
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