flashtree FPM10A Optical Fingerprint Reader Module TTL Serial Red Light for Arduino UNO R3 Mega 2560 STM32 4pins

flashtree FPM10A Optical Fingerprint Reader Module TTL Serial Red Light for Arduino UNO R3 Mega 2560 STM32 4pins

$15.99
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Supply voltage: DC 3.6 ~ 6.0V ( Typical: DC 5V ) Fingerprint Capacity : 1000 ( 0-999 ) (3.3V or 5V) UART Serial TTL Communication Compatible (Default Baud Rate: 57600) Built-in Fingerprint Algorithm (Perfect compatibility Arduino STM32 STM8 ....) 4 Pins Out: Red -> VCC Black -> GND Yellow -> RXD Green -> TXD Professional technical support

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