AN48841B Trackball Sensor Module


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SKU: KR07085 Kategori: Tag: , , ,


AN48841B Trackball Sensor Module
Item No. : KR07085

Theory of Operation
The Trackball Module has four tiny rotatable magnets attached to each corner of the component. Rotating the Trackball Module in the up, down, left, or right directions will result in the rotation of one magnet, while any diagonal movement will result in the rotation of two magnets. Whenever any of the magnets rotate, a tiny magneticfield is created, which can be detected by a Hall Effect sensor paired with each magnet. The Hall Effect sensor will then output a series of high/low signals which can be monitored by the Propeller microcontroller to determine the direction of movement of thetrackball. The speed of rotation is then proportional to the period of the pulse, where slow rotation will result in a longer period and faster rotation will result in a shorter period.

There is pin that usually have in every trackball sensor module :

1. 4 pin about hall sensor output (up, down, left, right)
2. 1 pin pressed button (enter button – center)
3. Vcc (5Volt) and Ground

AN48841B Trackball Sensor Module

Informasi Tambahan

Berat 0.001 kg
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