Back side of TM1637 4-bit red LED display module showing blue PCB and integrated circuit

TM1637 Pre-Soldered 4-Bit Red LED Display Module & Clock

SKU NA042

$5.99 USD Shipping & tax calculated at checkout
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TM1637 4-digit red 7-segment LED display module for clocks, timers, counters, and sensor readouts in Arduino, ESP32, and Raspberry Pi via 2-wire CLK/DIO serial, ideal for robotics and home automation prototyping.

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Overview

Product Overview

TM1637 LED display module is a compact red 4-position clock and numeric display for showing time, countdowns, counters, sensor values, and status data in Arduino, ESP32, and Raspberry Pi projects. Built around the TM1637 driver IC, it uses a simple two-wire serial interface with CLK and DIO pins, making it easy to add a 7-segment readout without tying up many GPIOs. Ideal for clocks, timers, home automation panels, robotics dashboards, lab instruments, and prototyping, this module is well suited for displaying temperature, voltage, speed, frequency, or other numeric data from microcontrollers. The header pins ship pre-soldered, so it works out of the box with no soldering required.

Questions & answers

Frequently asked questions

This TM1637 red 4-digit display is intended for Arduino, ESP32, and Raspberry Pi projects. It connects through GPIO using CLK and DIO signal lines, so software support or a suitable TM1637 library is needed on your chosen platform.
Yes. The header pins are already soldered, so the module can be connected with jumper wires and used without doing any soldering. You still need to wire it to your controller and load code that drives a TM1637 display.
The module uses the TM1637 driver IC and a simple two-wire serial interface. The key signal pins are CLK and DIO, which helps add a 7-segment numeric readout while using fewer GPIO pins than directly driving each LED segment.
It is suitable for clocks, countdown timers, counters, sensor readouts, and small status panels. Common projects include showing temperature, voltage, speed, frequency, robotics data, or home automation values on a compact red 4-position numeric display.
If the display does not respond, check the CLK and DIO wiring, power and ground connections, and that your code or library is configured for the correct pins. Also confirm the project is designed for a TM1637-based 4-digit 7-segment display.

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What's included

Features & Specs

TM1637 Driver ICBuilt around the TM1637 chip for controlling a 4-digit 7-segment LED display.

Two Wire InterfaceUses a simple two-wire serial interface with CLK and DIO pins to reduce GPIO usage.

4 Digit DisplayProvides a red 4-position numeric display for clock and data readouts.

Platform CompatibilityWorks with Arduino, ESP32, and Raspberry Pi projects.

Clock and TimerSuitable for clocks, countdowns, timers, and counter displays.

Sensor Data ReadoutDisplays temperature, voltage, speed, frequency, and other numeric sensor values.

Project ApplicationsUseful for home automation panels, robotics dashboards, lab instruments, and prototyping.

Reference

Documents

Full Product Manual TM1637 4-Bit Red LED Display Module & Clock | ShillehTek Product Manual In-depth setup guide with wiring, code examples, and troubleshooting.

Datasheet - TM1637 LED Display

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