i want to read each fingerprint through arduino ...
link:Secureye | Smart Intelligent Security Solutions
That fingerprint scanner holds the fingerprints in a data base and when a new fingerprint is detected it outputs if it matches one of the fingerprints in the data base.
You will have to find the data sheet for that device to tell you what the protocol is needed to enroll a fingerprint.
here is the connection diagram:
For what?