AS608 Optical Fingerprint Sensor JM-101 Module – USB & UART

AS608 Optical Fingerprint Sensor JM-101 Matching Module

The AS608 Optical Fingerprint Sensor JM-101 Matching Module is a compact, high-performance biometric component designed for developers, hobbyists, and engineers building access control systems, security devices, and automation projects. With its fast recognition speed, low power consumption, and versatile communication interfaces, this module is an essential building block for any fingerprint-based application.

Key Features

• Dual Communication Interfaces: Supports both USB and UART, making integration with microcontrollers (Arduino, Raspberry Pi, STM32, etc.) straightforward and flexible.
• Fast Fingerprint Recognition: Delivers rapid matching and search speeds, ensuring quick and seamless authentication in your projects.
• High Reliability: Optical sensing technology provides consistent, accurate reads even under varying environmental conditions.
• Wet & Dry Finger Adaptability: Engineered to work reliably with both wet and dry fingers, minimizing false rejections in real-world use.
• Compact & Low Power: Small form factor and minimal power draw make it ideal for portable and embedded designs.
• Simple Interface: Clean, easy-to-use command protocol reduces development time and simplifies firmware integration.
• Large Fingerprint Library: Capable of storing and matching a substantial number of fingerprint templates for multi-user systems.

Specifications

• Model: AS608 / JM-101
• Communication: USB & UART (TTL serial)
• Sensor Type: Optical
• Operating Voltage: 3.3V – 5V
• Interface Compatibility: Arduino, Raspberry Pi, STM32, and other microcontrollers
• Recognition Speed: <0.5 seconds (typical)

Ideal Applications

• DIY access control and door lock systems
• Time & attendance tracking devices
• Security and authentication projects
• Smart home automation builds
• Electronics prototyping and development

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Frequently Asked Questions

Q: What is the AS608 Optical Fingerprint Sensor JM-101 Module and what is it used for?

A: The AS608 JM-101 is a compact optical fingerprint sensing and matching module used in electronics projects requiring biometric authentication. It is commonly integrated into DIY access control systems, smart locks, attendance trackers, and security devices. It communicates via USB or UART and is compatible with popular microcontroller platforms like Arduino and Raspberry Pi.

Q: Does the AS608 module work with both wet and dry fingers?

A: Yes. The AS608 optical fingerprint sensor is specifically designed to handle both wet and dry finger conditions, offering high adaptability and reducing false rejection rates in everyday use scenarios.

Q: What communication interfaces does the JM-101 fingerprint module support?

A: The JM-101 module supports two communication interfaces: USB and UART (TTL serial). This makes it easy to connect to a wide variety of microcontrollers and single-board computers without additional hardware adapters in most cases.

Q: Is the AS608 fingerprint sensor compatible with Arduino and Raspberry Pi?

A: Yes. The AS608 JM-101 module is widely used with Arduino, Raspberry Pi, STM32, and other development boards. Many open-source libraries are available to simplify integration into your projects.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.