TM1638 8-Bit Button Digital LED Display Module

TM1638 8-Bit Button Digital LED Display Module is an integrated control circuit that combines LED display, key scanning, and digital interface functions in one module. It features 8 digital LED displays, 8 programmable buttons, and 8 indicator LEDs, making it ideal for user interface applications in DIY projects, industrial controls, and consumer electronics.

Key Features of TM1638 LED Display Module:

• • Integrated Design: Combines LED display, buttons, and LED indicators in one module
  • High Brightness: 8-digit 7-segment LED display with adjustable brightness
  • Button Input: 8 programmable buttons with key-scan function
  • LED Indicators: 8 individual red LED indicators
  • Simple Interface: 3-wire serial interface for easy microcontroller connection

Technical Specifications of TM1638 Module:

• • Display: 8-digit 7-segment LED (red)
  • LED Indicators: 8 red LEDs
  • Buttons: 8 programmable keys
  • Interface: 3-wire serial (STB, CLK, DIO)
  • Operating Voltage: 3.3V – 5V DC
  • Current Consumption: ≤80mA (all segments on)
  • Dimensions: 72mm x 24mm x 10mm
  • Operating Temperature: -10°C to +70°C

Mechanical Characteristics of TM1638 Module:

• • Dimensions: 72mm (L) x 24mm (W) x 10mm (H)
  • Weight: Approximately 15 grams
  • Material: FR4 PCB with plastic display cover
  • Mounting: 4 x mounting holes (2.5mm diameter)
  • Color: Black PCB with red LED display

Schematic Diagram and Pinout of TM1638 Module:

• • Pinout:
    • VCC: Power supply (3.3V-5V)
    • GND: Ground connection
    • STB: Chip select (active low)
    • CLK: Clock input
    • DIO: Bidirectional data line
  • Schematic Diagram: The module connects to a microcontroller via the 3-wire serial interface (STB, CLK, DIO) for controlling the display, reading buttons, and managing LED indicators.

Applications of TM1638 Module:

• • DIY Projects: Ideal for Arduino and Raspberry Pi projects needing display and input
  • Industrial Controls: Used in control panels for equipment monitoring
  • Consumer Electronics: Suitable for appliances with numeric displays
  • Gaming Devices: Score displays and control interfaces
  • Measurement Equipment: Numeric readouts with control buttons

Equivalent Models of TM1638 Module:

• • TM1637 LED Display Module: Similar display module without buttons
  • MAX7219 LED Display Driver: Alternative LED driver IC

Datasheet:

• • Download TM1638 Module Datasheet

Keywords for TM1638 Module:

• • TM1638 Display Module
  • LED Button Display
  • 8-Digit Display Module
  • TM1638 with Buttons
  • Digital Display Interface

Package Includes:

• • 1 x TM1638 8-Bit Button Digital LED Display Module