FINGERPRINT R-308 PINOUT | FINGER SCANNER R-308 SENSOR MODULE PINOUT

This documentation is for fingerprint R308 sensor module

Pin No.                Description                                Remarks

6                          finger detect power +                 3.6-5V

5                          finger detection signal output      high active

4                          Power +                                  Power Positive

3                          module sends                            TX

2                          module receives                         RX

1                          power -                                   power negative

sample code can be search at google