![Fingerprint Scanner TTL GT511C1R - 3.3V to 6V - With cable, High-Speed, High-Accuracy Fingerprint Identification Fingerprint Scanner TTL GT511C1R - 3.3V to 6V - With cable, High-Speed, High-Accuracy Fingerprint Identification](https://rees52-fbcb.kxcdn.com/21442-thickbox_default/fingerprint-scanner-ttl-gt511c1r-33v-to-6v-with-cable-rs280.jpg)
Fingerprint Scanner TTL GT511C1R - 3.3V to 6V - With cable, High-Speed, High-Accuracy Fingerprint Identification
![Fingerprint Scanner TTL GT511C1R - 3.3V to 6V - With cable, High-Speed, High-Accuracy Fingerprint Identification Fingerprint Scanner TTL GT511C1R - 3.3V to 6V - With cable, High-Speed, High-Accuracy Fingerprint Identification](https://rees52-fbcb.kxcdn.com/21441-thickbox_default/fingerprint-scanner-ttl-gt511c1r-33v-to-6v-with-cable-rs280.jpg)
Fingerprint Scanner TTL GT511C1R - 3.3V to 6V - With cable, High-Speed, High-Accuracy Fingerprint Identification
![Fingerprint Scanner TTL GT511C1R - 3.3V to 6V - With cable : Biometric Security Devices : Electronics - Amazon.com Fingerprint Scanner TTL GT511C1R - 3.3V to 6V - With cable : Biometric Security Devices : Electronics - Amazon.com](https://m.media-amazon.com/images/I/51-CT3FDWUL._AC_UF350,350_QL80_.jpg)
Fingerprint Scanner TTL GT511C1R - 3.3V to 6V - With cable : Biometric Security Devices : Electronics - Amazon.com
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pi 2 - Connection guide for GT-511C3 Fingerprint Scanner and Raspberry Pi 2 Model B - Raspberry Pi Stack Exchange
![Fingerprint Scanner TTL GT511C1R - 3.3V to 6V - With cable, High-Speed, High-Accuracy Fingerprint Identification Fingerprint Scanner TTL GT511C1R - 3.3V to 6V - With cable, High-Speed, High-Accuracy Fingerprint Identification](https://rees52-fbcb.kxcdn.com/21444-thickbox_default/fingerprint-scanner-ttl-gt511c1r-33v-to-6v-with-cable-rs280.jpg)