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Built-in algorithm chip, circular acquisition chip, using a 192x192 pixel sensor, it can store 500 fingerprint. High recognition rate, flexible for using, it can adapt to dry fingers, wet fingers, light texture fingerprints fingers, and old fingers. Wide application areas, can be embedded in a variety of final products, such as: access control, assistance, safety box. Simple installation, no need complicated tools, convenient for using.

Dealpeak DC 3.3V R503 Circular Capacitive Fingerprint Identification Module with 2-Color Ring Indicator Light, Easy to Install

Interfacing R502/R503 Capacitive Fingerprint Sensor with Arduino

Rugged Panel Mount Fingerprint Sensor with Bi-Color LED Ring [R503] : ID 4651 : $39.95 : Adafruit Industries, Unique & fun DIY electronics and kits

Rugged Panel Mount Fingerprint Sensor with Bi-Color LED Ring [R503] : ID 4651 : $39.95 : Adafruit Industries, Unique & fun DIY electronics and kits

MD0787 - R503 Circular Capacitive Fingerprint Identification Sensor

R503 Capacitive Fingerprint Scanner Round Fingerprint Sensor

BMW Electrical Connector Repair Kit - Socket Housing Pins - 61132359999

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Interfacing R502/R503 Capacitive Fingerprint Sensor with Arduino

Interfacing R502/R503 Capacitive Fingerprint Sensor with Arduino

Rugged Panel Mount Fingerprint Sensor with Bi-Color LED Ring [R503] : ID 4651 : $39.95 : Adafruit Industries, Unique & fun DIY electronics and kits

Scandic Frankfurt Museumsufer- First Class Frankfurt, Germany Hotels- GDS Reservation Codes: Travel Weekly