Tronic.lk
Rs 5,090
Updated 01 Nov 2026
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R503 Fingerprint Sensor is a device that allows you to read and save up to 200 fingerprints through a touch panel, it also contains a configurable LED light indicator. This sensor is small and easy to use, it has a wide detection range, a nut so you can install it easily and it has 6 pins, 2 for power, 1 for the finger detection signal, another for the touch power and 2 for communication via serial protocol (Tx, Rx) so you can use it with Arduino, ESP32, PIC and other microcontroller development boards.
R503 Fingerprint Sensor can be used in security, access control and attendance applications, you can use the LED colors to indicate errors in the census, fingerprints found in the records, fingerprints not registered, among other things.
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The current price of R503 Circular Capacitive Fingerprint Identification Sensor in Sri Lanka is Rs 5,090 at Tronic.lk.
R503 Circular Capacitive Fingerprint Identification Sensor is currently out of stock at Tronic.lk in Sri Lanka.
You can buy R503 Circular Capacitive Fingerprint Identification Sensor in Sri Lanka at Tronic.lk. Visit 37left.lk to compare prices across multiple shops and find the best deal.

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