Our 4-Digit 7-Segment LED Display is a compact and reliable visual interface designed for digital clocks, industrial counters, and electronic prototyping. This module features a high-contrast black face with semi-transparent segments that provide crisp, clear numerical data even in low-light environments.
4-Digit Numerical Array: Supports a full four-digit display, perfect for timekeeping (HH:MM) or numerical readouts up to 9999.
Integrated Clock Colon: Includes a center-aligned colon (:) symbol, making it natively compatible with digital clock projects and timers.
18-Pin Interface: Features an 18-pin gold-plated connection header for stable signal transmission and easy integration onto PCBs or breadboards.
High-Contrast Aesthetics: The sleek black background minimizes glare and enhances the visibility of the illuminated segments.
Durable Mounting Base: Built on a ruggedized brown composite substrate with dual side-mounting notches for secure physical installation.
Slim Profile Design: The low-profile surface-mount construction allows for seamless integration into compact enclosures and handheld devices.
Display Type: 7-Segment LED (8 segments including decimal points).
Digit Count: 4 Digits + Clock Colon.
Pin Configuration: 18-Pin Male Header.
Base Material: Heat-Resistant Phenolic/Composite Substrate.
Connector Finish: Gold-Plated Pins for Corrosion Resistance.
Form Factor: Rectangular Panel Mount with pre-cut side tabs.
Digital Clock & Timer DIY: The ideal core component for building custom alarm clocks, countdown timers, or stopwatches.
Industrial Metering: Use in equipment panels to display temperature, voltage, or pressure readings in real-time.
Embedded Systems: Provides a low-power visual output for microcontrollers (like Arduino or Raspberry Pi) in smart home or IoT projects.
What is the "8th segment" in an 8-segment display? While the numbers are formed by 7 main bars, the 8th segment usually refers to the decimal point (DP) located next to each digit, allowing for fractional readouts (e.g., 12.34).
Do I need resistors to connect this? Yes. Since this is an LED-based module, you must use current-limiting resistors (typically 220Ω to 1kΩ depending on your voltage) to prevent burning out the segments.
Is this Common Anode or Common Cathode? Please verify your specific model's wiring diagram. Standard 18-pin displays of this style are commonly configured for multiplexed operation to save on microcontroller pin usage.
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