Description
R307 Fingerprint Sensor with Arduino has many functions like image processing, mathematical algorithms to match the finger prints, high capacity FLASH chips and much more. It operates on voltage level between 4.2V ~ 6.0V.
To operate on this module we have to upload code two times, first set of code is used to take the finger prints. To store the finger print you have to provide a numerical ID between 1 to 127 with the particular finger prints. When you provide these two requirements then the module store your fingerprints in the memory.
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