TM1637 4-Digit 7-Segment LED Display Module for Arduino
TM1637 4-Digit 7-Segment LED Display Module for Arduino
TM1637 4-Digit 7-Segment LED Clock Display Module for Arduino
Build smarter projects with this compact TM1637 4-Digit 7-Segment LED Display Module. Powered by the reliable TM1637 driver IC, this board lets your microcontroller drive four bright red 0.36-inch digital tube segments using just two signal lines — freeing up precious I/O pins for the rest of your circuit. Whether you're building a digital clock, a timer, a counter, or a numeric readout, this module is a go-to solution for makers, students, and engineers alike.
Made in Mainland China.
Key Features
- TM1637 Driver IC — Controls all four 8-segment digits via a simple 2-wire serial interface (CLK + DIO)
- 4-Digit Red LED Display — Common anode, 0.36-inch digit height for clear, bright readouts
- 8 Adjustable Brightness Levels — Fine-tune display intensity to suit your environment
- Dual Voltage Compatibility — Works with both 5V and 3.3V logic levels, compatible with Arduino, ESP8266, ESP32, Raspberry Pi, and more
- 4 × M2 Mounting Holes — Secure the board easily into enclosures or project panels
- Minimal Wiring Required — Only 4 pins: VCC, GND, CLK, DIO — no complex wiring harnesses
- Pack Format — Get multiple modules in one order for prototyping flexibility
Technical Specifications
| Driver IC | TM1637 |
| Display Type | 4-Digit 7-Segment, Common Anode |
| Digit Height | 0.36 inch (9.14 mm) |
| LED Color | Red |
| Interface | 2-wire serial (CLK + DIO) |
| Operating Voltage | 3.3V / 5V |
| Brightness Levels | 8 (software adjustable) |
| Mounting | 4 × M2 screw holes |
| Condition | New |
Ideal For
- DIY digital clocks and countdown timers
- Arduino, ESP32, and Raspberry Pi display projects
- Numeric readouts for sensors (temperature, humidity, speed)
- Score displays, lap counters, and scoreboard projects
- Electronics learning kits and STEM education
Learn more: ENERGY STAR product efficiency guidance
Frequently Asked Questions
Q: Is the TM1637 LED display module compatible with Arduino and other microcontrollers?
A: Yes! The TM1637 4-digit 7-segment display module works seamlessly with Arduino (Uno, Nano, Mega), ESP8266, ESP32, Raspberry Pi, and virtually any microcontroller that supports a 2-wire serial interface. Free libraries are available for Arduino IDE, making it easy to get started with just a few lines of code.
Q: How many pins does the TM1637 module need to connect to a microcontroller?
A: The TM1637 display module requires only 4 pins — VCC, GND, CLK (clock), and DIO (data) — making it one of the most pin-efficient 4-digit display solutions available for Arduino and similar platforms.
Q: Can I control the brightness of the TM1637 LED display?
A: Absolutely. The TM1637 driver IC supports 8 levels of brightness adjustment, all controlled via software. This allows you to dim or brighten the display to match your project's ambient lighting conditions without any additional hardware.
Q: What voltage does this LED display module operate at?
A: The TM1637 module supports both 3.3V and 5V logic levels, making it compatible with a wide range of development boards and microcontrollers right out of the box — no level shifter required for most common setups.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.