ZW101 Fingerprint Relay Module STM32 OLED Dev Board
ZW101 Fingerprint Relay Module STM32 OLED Dev Board
ZW101 Fingerprint Single Relay Module with STM32 Chip & 0.96" OLED Display
The ZW101 Fingerprint Single Relay Module is a compact, powerful development board designed for makers, engineers, and hobbyists who want to integrate fingerprint-based access control into their projects. Powered by the STM32F103C6T6 main control chip and featuring the ZW101 capacitive semiconductor fingerprint sensor, this board makes it straightforward to build smart locks, access control systems, fingerprint safes, and more — with minimal setup required.
Key Features
- ZW101 Capacitive Semiconductor Fingerprint Module — Fast, accurate fingerprint recognition for reliable access control
- STM32F103C6T6 Main Control Chip — Industry-grade microcontroller for stable, efficient performance
- 0.96" OLED Display — Clear on-board screen for real-time status feedback and user interaction
- Single-Channel 5V Relay — Directly switches connected devices or electronic locks upon successful fingerprint match
- Type-C Power Input — Modern, convenient power supply via USB Type-C port
- UART & Link Breakout Port — Exposes adjustment and communication pins for easy secondary development and custom firmware
- Secondary Development Ready — Designed to be extended and reprogrammed to suit your specific application
- Compact Form Factor — Easy to integrate into enclosures, panels, or prototype builds
Typical Applications
- Dormitory and office access control systems
- Fingerprint-secured safe deposit boxes
- Smart door lock prototyping
- DIY security and automation projects
- Educational electronics development
Specifications
| Main Control Chip | STM32F103C6T6 |
| Fingerprint Sensor | ZW101 Capacitive Semiconductor Module |
| Display | 0.96" OLED Screen |
| Relay | Single-Channel, 5V |
| Power Input | USB Type-C |
| Voltage | Low Voltage (Below 50V AC / 75V DC) |
| Expansion Ports | Link + UART |
| Country of Origin | Made in China |
Package Includes
- 1× ZW101 Fingerprint Single Relay Module Board
- 1× ZW101 Fingerprint Sensor Module
- 1× Jumper Cap
- 1× Pin Header
Please Note: Due to screen and lighting differences, actual product color may vary slightly from images. Please allow ±1 cm tolerance due to manual measurement.
Learn More About Microcontroller Development
For more information on embedded systems and development board standards, visit the National Institute of Standards and Technology (NIST) — Electronics, a trusted resource for technical standards in electronics and computing.
Frequently Asked Questions
Q: What microcontroller does the ZW101 Fingerprint Relay Module use?
A: The ZW101 Fingerprint Single Relay Module is built around the STM32F103C6T6 main control chip, a widely used ARM Cortex-M3 microcontroller well-suited for embedded access control and relay switching applications.
Q: Can I use this module for my own custom firmware or secondary development?
A: Yes! The board exposes a Link + UART breakout port, making it straightforward to connect your own programmer or serial interface for custom firmware development, configuration, or integration into larger systems.
Q: How is the ZW101 Fingerprint Relay Module powered?
A: The module uses a modern USB Type-C port for power input, operating at low voltage (below 50V AC / 75V DC), making it safe and easy to power from standard USB chargers or development power supplies.
Q: What kinds of projects is this relay module best suited for?
A: This module is ideal for access control systems (such as dormitory or office door locks), fingerprint-secured safes, smart home prototyping, and any DIY electronics project that requires fingerprint-triggered relay switching.