The choice of fingerprint module interface should be based on project requirements: UART is simple and energy-efficient, making it the preferred choice for microcontroller projects such as smart locks; USB is high-speed and plug-and-play, compatible with PCs and Android systems; SPI offers extremely fast data transfer and is suitable for compact devices requiring on-device image processing.

Learn how to choose the right UART Fingerprint Sensor for your project. A practical guide covering sensor type, capacity, accuracy, interface, and integration tips.