Description
The 4 Digit 7 Segment Display Common Anode BCD is a simple and reliable LED display for electronic projects that require a clear numerical readout. It features four 7-segment digits, allowing you to display numbers across four positions.
The display uses a common anode configuration and supports multiplexed operation. By rapidly switching between the four digits, a microcontroller can display multiple numbers while using a relatively small number of control lines.
Each digit features bright red LED segments that provide excellent visibility. The compact design makes this 4-digit seven segment display suitable for both breadboard prototyping and permanent PCB installations.
Seven-segment displays are commonly used in digital clocks, timers, counters, measuring instruments, token display systems, and various consumer and industrial electronic devices.
Key Features
- 4-digit 7-segment LED display
- Common Anode configuration
- Bright red LED segments
- 14mm digit height for clear visibility
- Low-current operation
- High-brightness LED display
- Multiplexed display operation
- 12-pin configuration
- Easy to interface with microcontrollers
- Suitable for PCB mounting and breadboard projects
- Compact and practical design
- Ideal for displaying numerical information
Technical Specifications
| Specification | Details |
|---|---|
| Display Type | 7-Segment LED Display |
| Configuration | Common Anode |
| LED Color | Red |
| Number of Digits | 4 Digits |
| Digit Height | 14mm |
| Number of Pins | 12 |
| Wavelength | 640nm |
| Operating Current | 10mA |
| Current Consumption | 30mA / Segment |
| Peak Current | 70mA |
| Forward Voltage | 3VDC |
| LED Material | AlGaAs on GaAs Substrate |
| Display Face | Black |
| LED Segment Color | Red |
| Length | 75mm |
| Width | 28mm |
| Height | 8.31mm |
| Mounting | PCB / Breadboard |
How the 4 Digit 7 Segment Display Works
This common anode 7-segment display uses seven LED segments to form numerical characters. Each digit can be controlled by activating the required segments.
The display is designed for multiplexing, meaning the four digits are switched rapidly one after another. When this happens at a high enough speed, the human eye perceives all four digits as being continuously displayed.
This makes the display a convenient choice for projects where you need to show values such as 0000–9999, timer readings, counters, measurements, or other numerical data.
Applications
The 4-digit seven-segment display can be used in a wide range of electronics projects, including:
- Arduino projects
- Microcontroller projects
- Digital clocks
- Timers and stopwatches
- Digital counters
- Frequency counters
- Temperature displays
- Voltage and current meters
- Token display machines
- Measurement instruments
- Industrial control systems
- DIY electronic projects
- Embedded systems
- PCB and breadboard prototypes
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