R503 Circular Capacitive Fingerprint Identification Module With 2Color Indicator Light Waterproof, Microcontroller, Compatible With And 9412369505750

R503 Circular Capacitive Fingerprint Identification Module With 2Color Indicator Light Waterproof, Microcontroller, Compatible With And 9412369505750

1. Built in algorithm chip, circular acquisition chip, using a 192x192 sensor, it can store 500 fingerprints. 2. In a Wide Range of Applications,

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