TM1637 4-Digit 7-Segment LED Display Module for Arduino
TM1637 4-Digit 7-Segment LED Display Module — Red, 0.36" for Arduino Clock Projects
Build your next Arduino project with confidence using this compact TM1637 4-Bit 7-Segment LED Display Module. Featuring a bright red 0.36-inch anode tube display and a simple 2-wire serial interface, this module makes it easy to show time, scores, countdowns, or sensor readings on any Arduino, Raspberry Pi, or compatible microcontroller board. Whether you're a hobbyist assembling your first clock display or a maker prototyping an alarm system, this module is a reliable, plug-and-play solution.
Key Features
- TM1637 Driver IC — Handles LED multiplexing and brightness control via a simple 2-wire serial protocol (CLK + DIO)
- 4-Digit, 7-Segment Display — Clearly shows numbers, colons (for clock format), and basic characters
- 0.36-Inch Red Anode LED Tube — High-visibility digits ideal for indoor electronics projects
- 5V Operating Voltage — Directly compatible with standard Arduino and ESP8266/ESP32 boards
- Wide Operating Temperature — Rated from -40°C to 80°C for reliable performance across environments
- SMD Package — Compact, lightweight, and easy to integrate into enclosures or breadboard setups
- No High-Concern Chemicals — Verified free of restricted substances
- Condition: Brand New
Specifications
| Driver IC | TM1637 |
| Display Type | 4-Digit 7-Segment, Red LED |
| Digit Size | 0.36 Inch |
| Supply Voltage | 5V DC |
| Interface | 2-Wire Serial (CLK + DIO) |
| Operating Temperature | -40°C to 80°C |
| Package | SMD |
| Quantity | 1 Module |
| Country of Origin | Made in Mainland China |
Common Applications
- DIY digital clocks and timers
- Alarm and countdown displays
- Temperature or sensor value readouts
- Scoreboard or counter projects
- Arduino, ESP8266, ESP32, and Raspberry Pi experiments
What's in the Box?
- 1 × TM1637 4-Digit 7-Segment LED Display Module (Red)
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Frequently Asked Questions
Q: Is the TM1637 LED display module compatible with Arduino UNO and Nano?
A: Yes! The TM1637 4-digit 7-segment display module works seamlessly with Arduino UNO, Nano, Mega, and most other Arduino-compatible boards. Simply connect VCC to 5V, GND to ground, and use any two digital pins for CLK and DIO. Numerous open-source Arduino libraries are available to simplify coding.
Q: Can this module display letters or only numbers?
A: The 7-segment format primarily displays digits 0–9 and a limited set of letters (such as A, b, C, d, E, F) used in hexadecimal or basic text output. It is ideally suited for numerical clock, timer, and counter displays.
Q: What is the brightness level like on this 0.36-inch red LED display?
A: The TM1637 driver IC supports multiple brightness levels that you can set programmatically in your code, ranging from dim to very bright. The 0.36-inch red LED segments are clearly visible indoors and in low-light environments, making them great for desktop clocks and alarm displays.