TM1637 4 Bits Digital Tube LED Display Module With Clock Display for Arduino

The TM1637 4-Digit LED Display Module is a cost-effective and easy-to-use solution for displaying numeric data in Arduino-based projects. While it primarily supports numbers, it can also display a few characters such as A, B, and C.

This module features a 4-digit 7-segment LED display controlled by the TM1637 driver chip. One of its key advantages is that it requires only two communication pins, making it ideal for projects where microcontroller pins are limited. Thanks to its simple two-wire interface (similar to I2C communication), you can easily connect and control it while leaving other pins free for additional components.

The display consists of four 0.36-inch common anode digits, making it suitable for applications like digital clocks, counters, and other DIY electronics projects. Although the TM1637 chip also supports keyboard input functionality, this feature is not utilized in this module.

Note: The product version or printed markings may vary.

Pin Configuration (Connecting to Arduino):

• GND → GND
• VCC → 5V
• DIO → Digital Pin D2
• CLK → Digital Pin D3

Key Features:

• Simple and user-friendly interface
• Requires only two control pins
• Efficient multiplexing support
• Can be used as a 4-digit display or clock
• Suitable for DIY electronics projects
• Ideal for counters and display-based applications
• Mounting holes for easy installation

Package Includes:

• 1 × TM1637 4-Digit LED Display Module (Version V1.2)