7-Segment Single Digit 0.56 inch (Common Cathode -RED)

Overview

Illuminate your projects with the classic clarity of the 7-Segment Single Digit 0.56 inch display. This common cathode, red LED segment is a fundamental building block for countless electronic applications, from digital clocks and counters to DIY instrumentation and Arduino projects. Its bright, even illumination and clear digit shape ensure excellent readability, making it a reliable choice for both hobbyists and professionals. Whether you are a student learning the basics of multiplexing or an engineer prototyping a new device, this display offers a simple, effective solution for showing numerical data.

Key Features

• Single Digit, 0.56 Inch Height: Perfect size for readability at a glance, ideal for panel meters, clocks, and control panels.
• Common Cathode Configuration: Simplifies wiring in many circuits, especially when using multiple digits with multiplexing.
• Bright Red Light Emission: High visibility with a dominant wavelength of 660 nm, ensuring clear display even in moderate ambient light.
• Wide Operating Temperature Range: Reliable performance from -40°C to +80°C, suitable for various environments.
• Easy to Interface: Directly compatible with microcontrollers like Arduino, Raspberry Pi, and other digital logic circuits.

Technical Specifications

• Type: Common Cathode
• Digit Size: 0.56"
• Emitted Color: Red
• Dominant Wavelength: 660 nm
• Operating Temperature (Topr): -40°C to +80°C
• Forward Voltage (Typical): ~2.0V (per segment)
• Forward Current (Max): 20mA (per segment)
• Pin Count: 10 (7 segments + decimal point + common cathode)

Applications & Use Cases

• Digital Clocks & Timers: Display hours, minutes, and seconds with ease.
• Counters & Tally Meters: Perfect for event counting, production line monitoring, or scoreboards.
• Temperature & Sensor Readouts: Show sensor data from thermistors, LM35, or DHT11.
• Arduino & Raspberry Pi Projects: Ideal for beginner and advanced maker projects.
• Instrumentation Panels: Replace analog meters with digital readouts for voltage, current, or frequency.
• Educational Demonstrations: Teach multiplexing, digital logic, and display driving techniques.

What's Included

• 1x 7-Segment Single Digit 0.56" Common Cathode (Red) Display
• (Note: Resistors and wiring are not included; you will need current-limiting resistors for each segment.)

Compatibility

• Microcontrollers: Arduino (Uno, Mega, Nano), Raspberry Pi, ESP32, STM32, PIC, and more.
• Driver ICs: 74HC595, MAX7219, CD4511, and other common display drivers.
• Breadboards: Fits standard 0.1" (2.54mm) breadboards and PCBs.
• Power: Operates at standard 5V logic levels (with appropriate resistors).

MOKWN Recommendation

This 7-segment display is a staple for any electronics hobbyist or professional. Its common cathode design is straightforward to use, and its bright red output ensures your data is always visible. We recommend pairing it with a 74HC595 shift register or a MAX7219 driver for efficient multiplexing when using multiple digits. Stock up today and bring your digital projects to life!