Serial fingerprint module

Hello,
I have recently purchased the fingerprint module Finger Print Sensor (R305) -TTL UART Finger Print Sensor (R305) -TTL UART Can someone please help me , on telling me how to communicate with the device serially , and ask it to scan the finger. How to send the hex commands,etc. Please help.

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Thanks a loot buddy, the man who created that code deserves recognition. Thank you.