HKD TM1638 8-Digit LED Display Module (5-Wire Interface)

The HKD TM1638 Module is an all-in-one peripheral interface board featuring 8-digit 7-segment displays, 8 tactile push buttons, and 8 individual LEDs, all driven by the efficient TM1638 integrated driver chip. This module is designed to simplify microcontroller interfacing by combining display and input functions into a single board using only 3 digital I/O lines from the host MCU. It offloads the scanning and refreshing tasks internally, significantly reducing the workload on the microcontroller.

Ideal for compact control panels, DIY electronics, embedded system debugging, and real-time data visualization, this module provides a versatile and cost-effective solution for both beginners and advanced developers.

Key Features:

• All-in-One Interface Module:
  8-digit 7-segment LED display
  8 independent status LEDs
  8 momentary push buttons for user input
• TM1638 Driver Chip:
  Handles LED driving and key scanning internally
  Reduces required I/O lines to only 3 for data, clock, and strobe
• Common Cathode Display: Efficient, bright numeric LED output
• Compact Size: Measures 75mm x 48mm (2.95" x 1.89")
• High Responsiveness: Keys provide fast, reliable tactile feedback
• Efficient Resource Usage: Ideal for MCUs with limited I/O and processing capacity

Applications:

• Embedded system user interfaces
• Arduino, STM32, ESP8266/ESP32 projects
• DIY digital counters, timers, clocks
• System status monitoring panels
• Educational electronics kits

Specifications:

• Communication: Serial (3-wire interface: CLK, DIO, STB)
• Module Dimensions: 75mm x 48mm
• Display Type: 7-segment LED, red
• Power Supply: Typically 5V DC
• LED Configuration: 8 x 7-segment digits + 8 status LEDs
• Input: 8 push buttons

What's in the box
x1 HKD TM1638 8-Digit LED Display Module (5-Wire Interface)