Fingerprint Module SM12 - Serial UART TTL
Prices updated: 12 Oct 2026
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| Store | product | Price | View in store |
|---|---|---|---|
 RAM Electronics | Fingerprint Module SM12 | 450 EGP | View in store |
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Lowest price recorded: 450 EGP
About this product
A fingerprint recognition module that communicates over a serial UART TTL interface. It is used for biometric access control, attendance, and lock projects where a microcontroller handles enrollment and matching commands. Suitable for integration with Arduino, ESP32, and similar boards.
Specifications
- Model
- SM12
- Interface
- Serial UART TTL
- Type
- Fingerprint recognition module
Frequently asked questions
What is the price of Fingerprint Module SM12 - Serial UART TTL in Egypt?
Fingerprint Module SM12 - Serial UART TTL currently costs 450 EGP in Egypt.
Where can I buy Fingerprint Module SM12 - Serial UART TTL in Egypt?
Fingerprint Module SM12 - Serial UART TTL is available from RAM Electronics. Compare the offers above to find the best price.
How do I wire this module to an Arduino or ESP32?
Connect the module's TX to the controller's RX and its RX to the controller's TX, with a shared ground. Confirm the module's supply voltage and logic level on its label or datasheet before powering it.
Does it need a special library or command protocol?
Yes. A UART fingerprint module is controlled with its own command packets for enrollment, matching, and deletion. Use the vendor's protocol documentation or a compatible example library.
