Description
The 4 Bits TM1637 Digital Tube LED 7-Segment Display Module is a compact and easy-to-use 4-digit LED display module designed for Arduino, Raspberry Pi, and other microcontroller-based projects. It uses the TM1637 display driver, allowing the microcontroller to control all four digits with just two signal lines: CLK and DIO.
The module features a bright 0.36-inch red 7-segment LED display with a decimal point, making it suitable for displaying numbers, counters, timers, clocks, temperatures, sensor readings, and other numerical data.
Its simple two-wire interface reduces the number of GPIO pins required, making it a convenient choice for DIY electronics, embedded systems, robotics, automation, and educational projects.
Key Features
- 4-digit 7-segment LED display with bright red digits
- Built-in TM1637 display driver IC
- Requires only 2 signal lines: CLK and DIO
- Compatible with 3.3V and 5V logic levels
- 0.36-inch digital tube with decimal point
- 8-level brightness adjustment for flexible display control
- Four M2 mounting holes for easy installation
- Compact design suitable for breadboard and embedded projects
- Ideal for Arduino, Raspberry Pi, ESP32, and other microcontrollers
- Useful for clocks, counters, timers, temperature displays, and numerical indicators
Specifications
| Specification | Details |
|---|---|
| Display Type | 4-Digit 7-Segment LED |
| Number of Digits | 4 |
| LED Color | Red |
| Display Size | 0.36 inch |
| Driver IC | TM1637 |
| Interface | CLK + DIO |
| Logic Voltage | 3.3V / 5V |
| Power Supply | 3.3V–5.5V DC |
| Typical Current | 30mA @ 5V |
| Maximum Current | 80mA @ 5V |
| Brightness | 8-Level Adjustable |
| PCB Color | Blue |
| Dimensions | Approx. 42.15 × 24.56 × 11mm |
| Mounting Holes | 4 × M2 |
| Weight | Approx. 8g |
Pin Description
- VCC: Power supply input
- GND: Ground connection
- CLK: Clock signal line
- DIO: Data input/output line
Applications
The TM1637 4-Digit 7-Segment Display Module can be used in a wide range of electronics projects, including:
- Arduino digital clocks
- Countdown timers
- Digital counters
- Temperature and humidity displays
- Voltage and current monitoring
- Stopwatch projects
- Robotics and automation systems
- DIY electronic instruments
- IoT and embedded projects
- School and university electronics projects
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