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The reading distance is relatively long
SIZE : the circuit board is only 3
Boost charge voltage: 14
due to this property they are commonly used as shift registers
This time of flight using laser beam allows for accurate results whatever the color
Fingerprint Module R307 7-Segment Decoder The reading distance is relativelyR307 is an optical fingerprint verification module with TTL interface. It consists of optical fingerprint sensor, high performance DSP processor and Flash. It has many functions such as Fingerprint Sensor, fingerprint verification, fingerprint upload and download. User can easily develop powerful fingerprint verification application systems based on the rich collection of controlling command provided by the module. The R307 can be easily used with
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