TM1637 4-Digit LED Display Module Red

The TM1637 4-Digit LED Display Module Red is a 7-segment LED numeric display driven by the TM1637 driver IC, displaying four digits of numbers, basic letters, and a central colon separator — a fundamentally different display type from the 1602 LCD character display or the 1.3-inch OLED graphic display, as the 7-segment format shows only the numeric and alphabetic segments that make up digits 0 to 9 and a limited set of letters, making it the most purpose-specific and visually distinctive display for clock, timer, counter, temperature, and score readout projects.

The tm1637 display module uses a 2-wire serial interface (CLK and DIO) plus power, totalling just 4 pins, which is simpler to wire than I2C since it does not require address configuration or a shared bus — one TM1637 module connects to any two free digital GPIO pins on an Arduino, ESP32, or similar microcontroller. The 4 digit 7 segment display has a built-in colon LED between the second and third digits, which enables direct HH:MM time format display for DIY clock projects without any additional components — the colon is controlled independently through the TM1637 library.

The tm1637 module operates from 3.3V to 5V DC at 30mA and is compatible with the TM1637 Arduino library for straightforward digit-by-digit or integer display output. The red LED segments are clearly visible at room distance and in varied ambient lighting conditions for panel-mounted readout builds. This tm1637 led display module for arduino is ideal for DIY clock timer temperature score counter and STEM project numeric display builds in India.

Related Product:

• Checkout 10-Segment Red LED Bar Graph Display

Features:

• 2-wire serial CLK+DIO — no I2C address needed, two free GPIO pins
• Built-in colon LED — enables HH:MM clock format without extra parts
• Red 7-segment digits — high visibility numeric readout at panel distance
• 3.3V to 5V — compatible with Arduino Uno ESP32 and STM32 builds
• TM1637 driver IC — works with TM1637 Arduino library for easy code

Technical Specifications:

Applications:

• Arduino DIY digital clock project with HH:MM colon separator display
• India maker builds ESP32 countdown timer with tm1637 4 digit red display
• STEM project for 4 digit 7 segment display numeric counter output demo
• Temperature sensor readout on panel using TM1637 red LED module
• tm1637 clock display module for 7-segment numeric display lab

Package Includes:

• 1 x TM1637 4-Digit LED Display Module Red