The ADNS 3050 sensor is an entry level gaming mouse sensor with motion detection up to 60 IPS and a selectable resolution up to 2000 CPI (Counts Per Inch). It tracks motion in the X and Y axis. Unlike laser sensors, the CPI is consistent with changes in speed with variations, whereas laser sensors vary by as much as 5%, which reduces accuracy. This board has everything needed to utilize the ADNS-3050 sensor, including an onboard voltage regulator for 5v operation.
It communicates via SPI and I have written numerous examples to help get people started. The board comes with the corresponding lens to use it as a computer mouse.
There aren't many optical boards available on the market currently, and none I am aware of that uses an optical based sensor instead of the laser, this board is very similar to the one Sparkfun used to manufacturer years ago albeit with a new sensor with better speed and CPI
Don't forget to remove the yellow tape on the sensor! They are shipped with a small circle of kapton tape over the camera hole to protect the sensitive silicon. If the tape isn't removed it won't sense any movement.
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