Take a look at their PCB Assembly, for an inexpensive population of the components on your PCBs.In this video, we explore the different parts of a computer mouse and we’ll focus on the optical navigation system. Specifically, we’ll look at how exactly computer mice can track their movement on a mouse pad.
source/image(PrtSc): Branch Education
Finally, we take a look at the difference between gaming mice and normal mice, and we explore DPI or dots per inch and how different mice have different amounts of DPI.Watch the video from Branch Education for more info:
LED optical mouse works on most opaque diffuse surfaces; it is usually unable to detect movement on specular surfaces like polished stone. Laser diodes provide good resolution and precision, improving performance on opaque specular surfaces.
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Later, more surface-independent optical mice use an optoelectronic sensor (essentially, a tiny low-resolution video camera) to take successive images of the surface on which the mouse operates..//wikipedia
