The Optical Fingerprint Reader Sensor Module is built for secure, fast, and accurate biometric identification in electronics, access control, and attendance systems. Featuring robust optical sensing, the module communicates via a semi-duplex asynchronous serial port—supporting a default baud rate of 57600bps, with customized baud settings available for flexible system integration. The unit operates at 3.3V, making it compatible with a variety of low voltage MCUs and embedded platforms.
Once powered, the fingerprint module initializes and becomes fully functional in just 100ms, enabling rapid, touch-sensitive authentication for users. Its compact multi-color housing and lightweight build simplify installation in doors, kiosks, or custom electronics. Designed for both standalone recognition and secure networking, this module supports efficient and reliable fingerprint enrollment, template matching, and real-time attendance logging.
| Specification | Detail |
| Sensor Type | Optical fingerprint reader |
| Compatible MCUs | 3.3V serial port |
| Power Supply Voltage | 3.3V (touch-sensitive input) |
| Communication | Semi-duplex asynchronous serial |
| Default Baud Rate | 57600bps |
| Initialization Time | ~100ms after power-up |
| Colour | Multi-Color |
| Dimensions (LxWxH) | 10 x 8 x 4 cm |
| Item Height | 40 mm |
| Item Width | 8 cm |
| Item Weight | 15 g |
| Included Components | R307 |
| Batteries Included | No |
| Number of Items | 1 |
| Country of Origin | ‎China |
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