Sparkfun Electronics SparkFun TTL Fingerprint Scanner (GT-521F32)

This SparkFun TTL Fingerprint Scanner (GT-521F32) does all of the heavy lifting behind reading and identifying the fingerprints with an onboard optical sensor and 32-bit ARM Cortex M3 processor. To get started, just register each fingerprint that you want to store by sending the corresponding command and pressing your finger against the reader three times. SparkFun TTL Fingerprint Scanner (GT-521F32); Features an onboard optical sensor and a 32-bit ARM Cortex M3 processor; JST SH connectors, simple UART ...