Arduino TM1637 4 Digit 7 Segment Display Module

Display Numbers & Time on Your Arduino Projects

The TM1637 4-Digit 7-Segment Display Module is a simple, easy-to-use numeric display driven by the TM1637 IC over a 2-wire interface. Perfect for clocks, timers, scoreboards, temperature displays, and any project that needs a clear numerical readout without consuming multiple GPIO pins.

Key Specifications

• Driver IC: TM1637
• Display: 4-digit 7-segment LED with colon (:) separator
• Operating Voltage: 3.3V – 5V DC
• Interface: 2-wire (CLK + DIO) — no SPI or I2C library conflict
• Digit Height: 0.36 inch (common size)
• Brightness: 8 adjustable levels (software controlled)
• Display Color: Red (standard)
• Onboard 4-pin header for easy wiring

Common Applications

• Digital clock / real-time clock (RTC) display
• Countdown & stopwatch timers
• Temperature & humidity readout
• Scoreboard & counter displays
• Voltage / sensor value display

Package Includes

• 1 × TM1637 4-Digit 7-Segment Display Module

Compatible with the popular TM1637 Arduino library — get your display running in just a few lines of code. Works with Arduino Uno, Nano, Mega, ESP8266, ESP32, and more.