Can not connect AS608 to Arduino UNO

[brianrho]

Can not connect AS608 to Arduino UNO

[brianrho]

The wire connections in the examples were written for R30x/FPMxx sensors -- they may not necessarily be the same for your AS608. I haven't used this sensor before but judging by the tutorials I found, it follows the same UART protocol as FPM.

Try out these tutorials: https://electropeak.com/learn/interfacing-fpm10a-as608-optical-fingerprint-reader-sensor-module-with-arduino/, https://makersportal.com/blog/2019/6/9/arduino-optical-fingerprint-sensor-as608

They use the Adafruit library and explain how to connect the sensor to your Arduino-- follow the exact steps and make sure to use 3.3 V for power as recommended. If these tutorials work for you, then you can switch to using the FPM library if you like.

[FaterYU]

Thanks! I found the reason why it is wrong. The AS608 is locked, so it can not connect to computer without authority.