TM1638 Eight 8 - Bit LED Digital Tube Display module 8 Keys Seven Segment
Review: 5 - "A masterpiece of literature" by John Doe, written onMay 4, 20020

TM1638 Eight 8 - Bit LED Digital Tube Display module 8 Keys Seven Segment

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  • Product SKU: KG430
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The TM1638 Eight 8-Bit LED Digital Tube Display module is a versatile electronic component designed for various applications requiring visual feedback. This module features eight 8-bit digital tubes, providing a clear and bright display for numeric information. The LED display is arranged in a seven-segment format, allowing you to showcase numerical values and other characters.

Here Some Information About TM1638 Eight 8:

In addition to the LED display, this module is equipped with eight keys, enhancing its functionality by enabling user input. The keys provide a tactile interface for controlling or interacting with your project. The combination of the LED display and keys makes this module suitable for projects that require both output and input features.

The TM1638 chip, integrated into this module, efficiently manages the LED display and key input, simplifying the interface with microcontrollers and other electronic systems. This makes it compatible with a wide range of microcontrollers, making it a convenient choice for DIY electronics projects, prototyping, and educational purposes.

Whether you're building a digital clock, a counter, or any project that requires numerical display and user interaction, the TM1638 Eight 8-Bit LED Digital Tube Display module is a reliable and compact solution. Its ease of use, along with its compact form factor, makes it an excellent choice for hobbyists, students, and electronics enthusiasts alike.


Use the TM1638 digital tube drive chip to drive a common cathode LED digital tube.

Can be extended to 3 * 8 buttons, led digital tube, and can be controlled separately.

Support 8 brightness control, lead digital tube and use the same brightness.

Support cascading up to 6 of the same module.

Wiring: VCC GND connected to the 5V power supply, STB CLK DIO connected to microcontroller IO port.

8 LED, 8-bit digital tube, and 8 buttons, common cathode LED digital tube, such as STC microcontroller can be directly connected.

Physical Attributes

  • L x W x H (mm): 76 x 50 x 10
  • Weight (gm): 22

Integration with Arduino

Sample Code


Package Includes

  • 1 x TM1638 Eight 8 - Bit LED Digital Tube Display module 8 Keys Seven Segment

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