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TM1637 4 Digit 7 Segment LED Display Module
Display time, counters, sensor readings, and numeric data with this easy-to-use TM1637-based 4-digit 7-segment LED display module. Requiring only 2 data pins (CLK and DIO), it's one of the simplest ways to add a bright, readable numeric display to your Arduino, ESP32, or Raspberry Pi projects. Available from The Engineer Store, Bengaluru with fast shipping, 7-day warranty on manufacturing defects, and dedicated technical support.
Specifications
| Driver IC | TM1637 |
| Display Type | 4-Digit, 7-Segment Common Anode LED |
| Display Color | Red (variants available in other colors) |
| Digit Height | 0.36 inch (9.14 mm) |
| Operating Voltage | 3.3V - 5V DC |
| Communication | 2-Wire Serial Interface (CLK, DIO) |
| Brightness Levels | 8 adjustable levels (software-controlled) |
| Colon Separator | Yes - center colon for clock display |
| Pin Count | 4 Pins (VCC, GND, CLK, DIO) |
| Module Dimensions | Approx. 42mm x 24mm x 12mm |
| Operating Temperature | -10 degreesC to +80 degreesC |
| Compatibility | Arduino, ESP32, ESP8266, STM32, Raspberry Pi, PIC |
| Library Support | TM1637Display (Arduino), tm1637 (MicroPython/Python) |
| Origin | Original/Authentic |
| Warranty | 7-day warranty on manufacturing defects |
| Support | Email & WhatsApp 24/7 |
Key Features
- Simple 2-Wire Interface: Uses only CLK and DIO pins, freeing up valuable GPIO pins on your microcontroller for other peripherals.
- Built-In TM1637 Driver: Handles all segment multiplexing and LED driving internally - no need for shift registers, resistors, or complex wiring.
- 8-Level Brightness Control: Adjust display brightness programmatically to suit ambient lighting conditions or conserve power.
- Center Colon for Clock Display: Built-in colon between digits 2 and 3 makes it ideal for HH:MM time displays and stopwatch applications.
- Wide Voltage Range (3.3V-5V): Works directly with both 3.3V logic (ESP32, Raspberry Pi) and 5V logic (Arduino Uno, Mega) without level shifters.
- Excellent Library Ecosystem: Well-supported by popular Arduino and MicroPython libraries with functions for displaying numbers, characters, and custom segments.
- Compact Form Factor: Small enough to embed in enclosures, panel-mount in project boxes, or place on a breadboard for prototyping.
- Low Power Consumption: Draws minimal current, suitable for battery-powered and portable projects.
Why Choose the TM1637 Display Module?
- 100% authentic modules sourced from trusted suppliers - no clones with dim LEDs or faulty drivers
- 1-5 day shipping, 7-8 day delivery from our Bengaluru warehouse to most locations across India
- Expert technical support included - get help with wiring, code, and integration
- Beginner-friendly with extensive online tutorials, example code, and community resources
- Ideal balance of simplicity, cost, and functionality for numeric display applications
How It Works
The TM1637 IC is a dedicated LED driver that communicates with your microcontroller via a custom 2-wire serial protocol (similar to, but not identical to, I2C). Your microcontroller sends data over the DIO (Data Input/Output) line, synchronized by the CLK (Clock) line. The TM1637 decodes this data and drives the appropriate segments on each of the four 7-segment digits. Each digit consists of 7 LED segments (a-g) plus a decimal point, allowing it to display numbers 0-9, select letters (A, b, C, d, E, F, H, L, etc.), and custom patterns. The center colon is controlled as a separate segment tied to the second digit's data byte.
Pin Configuration
| Pin | Label | Function |
| 1 | VCC | Power supply (3.3V-5V DC) |
| 2 | GND | Ground |
| 3 | CLK | Clock signal input |
| 4 | DIO | Serial data input/output |
Wiring Guide
Frequently Asked Questions
When will I receive my order?
Products ship within 1-5 days from our Bengaluru warehouse. Delivery within 7-8 days to most locations across India.
Is technical support available?
Yes, 24/7 support via email and WhatsApp for setup, troubleshooting, and application guidance.
What is your return policy?
7-day returns on manufacturing defects only. Full refund or replacement. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.
Buy TM1637 4 Digit 7 Segment LED Display Online in India
Purchase the TM1637 4 Digit 7 Segment LED Display online at The Engineer Store - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on TM1637 4 Digit 7 Segment LED Display with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.
Looking to buy TM1637 4 Digit 7 Segment LED Display at the best price in India? The Engineer Store offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.
TM1637 4 Digit 7 Segment LED Display Module
Display time, counters, sensor readings, and numeric data with this easy-to-use TM1637-based 4-digit 7-segment LED display module. Requiring only 2 data pins (CLK and DIO), it's one of the simplest ways to add a bright, readable numeric display to your Arduino, ESP32, or Raspberry Pi projects. Available from The Engineer Store, Bengaluru with fast shipping, 7-day warranty on manufacturing defects, and dedicated technical support.
Specifications
| Driver IC | TM1637 |
| Display Type | 4-Digit, 7-Segment Common Anode LED |
| Display Color | Red (variants available in other colors) |
| Digit Height | 0.36 inch (9.14 mm) |
| Operating Voltage | 3.3V - 5V DC |
| Communication | 2-Wire Serial Interface (CLK, DIO) |
| Brightness Levels | 8 adjustable levels (software-controlled) |
| Colon Separator | Yes - center colon for clock display |
| Pin Count | 4 Pins (VCC, GND, CLK, DIO) |
| Module Dimensions | Approx. 42mm x 24mm x 12mm |
| Operating Temperature | -10 degreesC to +80 degreesC |
| Compatibility | Arduino, ESP32, ESP8266, STM32, Raspberry Pi, PIC |
| Library Support | TM1637Display (Arduino), tm1637 (MicroPython/Python) |
| Origin | Original/Authentic |
| Warranty | 7-day warranty on manufacturing defects |
| Support | Email & WhatsApp 24/7 |
Key Features
- Simple 2-Wire Interface: Uses only CLK and DIO pins, freeing up valuable GPIO pins on your microcontroller for other peripherals.
- Built-In TM1637 Driver: Handles all segment multiplexing and LED driving internally - no need for shift registers, resistors, or complex wiring.
- 8-Level Brightness Control: Adjust display brightness programmatically to suit ambient lighting conditions or conserve power.
- Center Colon for Clock Display: Built-in colon between digits 2 and 3 makes it ideal for HH:MM time displays and stopwatch applications.
- Wide Voltage Range (3.3V-5V): Works directly with both 3.3V logic (ESP32, Raspberry Pi) and 5V logic (Arduino Uno, Mega) without level shifters.
- Excellent Library Ecosystem: Well-supported by popular Arduino and MicroPython libraries with functions for displaying numbers, characters, and custom segments.
- Compact Form Factor: Small enough to embed in enclosures, panel-mount in project boxes, or place on a breadboard for prototyping.
- Low Power Consumption: Draws minimal current, suitable for battery-powered and portable projects.
Why Choose the TM1637 Display Module?
- 100% authentic modules sourced from trusted suppliers - no clones with dim LEDs or faulty drivers
- 1-5 day shipping, 7-8 day delivery from our Bengaluru warehouse to most locations across India
- Expert technical support included - get help with wiring, code, and integration
- Beginner-friendly with extensive online tutorials, example code, and community resources
- Ideal balance of simplicity, cost, and functionality for numeric display applications
How It Works
The TM1637 IC is a dedicated LED driver that communicates with your microcontroller via a custom 2-wire serial protocol (similar to, but not identical to, I2C). Your microcontroller sends data over the DIO (Data Input/Output) line, synchronized by the CLK (Clock) line. The TM1637 decodes this data and drives the appropriate segments on each of the four 7-segment digits. Each digit consists of 7 LED segments (a-g) plus a decimal point, allowing it to display numbers 0-9, select letters (A, b, C, d, E, F, H, L, etc.), and custom patterns. The center colon is controlled as a separate segment tied to the second digit's data byte.
Pin Configuration
| Pin | Label | Function |
| 1 | VCC | Power supply (3.3V-5V DC) |
| 2 | GND | Ground |
| 3 | CLK | Clock signal input |
| 4 | DIO | Serial data input/output |
Wiring Guide
Frequently Asked Questions
When will I receive my order?
Products ship within 1-5 days from our Bengaluru warehouse. Delivery within 7-8 days to most locations across India.
Is technical support available?
Yes, 24/7 support via email and WhatsApp for setup, troubleshooting, and application guidance.
What is your return policy?
7-day returns on manufacturing defects only. Full refund or replacement. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.
Buy TM1637 4 Digit 7 Segment LED Display Online in India
Purchase the TM1637 4 Digit 7 Segment LED Display online at The Engineer Store - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on TM1637 4 Digit 7 Segment LED Display with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.
Looking to buy TM1637 4 Digit 7 Segment LED Display at the best price in India? The Engineer Store offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.