Someone help me connect my ZA620_M5 fingerprint with Arduino uno,
I have tried what is provided at (Basic Fingerprint Sensor With Socket Header Cable : ID 4690 : $19.95 : Adafruit Industries, Unique & fun DIY electronics and kits) without success,
Running the code shows Did not find fingerprint sensor 
The images below shows the scanner and my connection, with the errors
Did you follow the detailed tutorial on wiring and use of these types fingerprint sensors linked from that page?
Thank you for reply, I tried following but seems the sensors are different, mine is eight-pin while the one you have provided link for 6 pin...
The description provided for the eight-pin sensor is as
1 Vi Module power supply positive input terminal.
2 Tx Rate line data output TTL logic level
3 Rx Serial data input. TTL logic level
4 GND signal ground. Internally connected to power ground
5 WAK sensing signal output high level is active by default
6 Vi Touch induction power input terminal, 3 - 65V power supply ____
It is the link that you provided:
So where did you get the sensor that you actually have?
Have you contacted them for support?
Please give a link
Yes, I buy from AliExpress..
I ask for support, I receive a document written in Chinese, some Important information I was able to get is what I sent you
1 Vi Module power supply positive input terminal.
2 Tx Rate line data output TTL logic level
3 Rx Serial data input. TTL logic level
4 GND signal ground. Internally connected to power ground
5 WAK sensing signal output high level is active by default
6 Vi Touch induction power input terminal, 3 - 65V power supply ____
I use google translate to extract information...
Regards
This is what you get when you do that!
If you want stuff with decent support & documentation, Adafruit et al are the places to go!
Thank you, I bought another fingerprint sensor that is detected by arduino, but I am not able to register a fingerprint, this is my output logs
22:55:17.818 -> Ready to enroll a fingerprint!
22:55:17.851 -> Please type in the ID # (from 1 to 127) you want to save this finger as...
22:55:27.452 -> Enrolling ID #1
22:55:27.452 -> Waiting for valid finger to enroll as #1
22:55:27.486 -> .
22:55:27.486 -> .
22:55:27.523 -> .
22:55:27.523 -> .
The timestamp is not ending, even after I place my fingerprint on the sensor
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