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Ultra Red Dual Row 4 Digit 7 Segment LED Display common cathode for Temperature Humidity Contro

Custom LED Display
January 09, 2026
Category Connection: 7 Segment LED Display
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Tags:
#low power 7 segment display #seven segment led display #7 segment numeric display
Brief: Need quick answers about practical use? This video highlights the essentials. Watch as we demonstrate the Super Bright Red 20mm 4-Digit 7-Segment LED Display in action, showing how its large digits and high-contrast design deliver clear readouts for instrument panels and home appliances. You'll see how its common anode design simplifies integration and learn about its energy-efficient performance for 24/7 operation.
Related Product Features:
  • 20mm (0.8-inch) character height ensures exceptional readability from 1-3 meters for instrument panels and home appliances.
  • Super bright red illumination (50-65mcd) with white segments on black surface creates high contrast for clear visibility.
  • Low power consumption (5-10mA per LED) minimizes energy use for 24/7 operation and extends battery life.
  • Common anode polarity works with standard driver ICs like MAX7219 and TM1638 for easy circuit integration.
  • Stable operation withstands temperature fluctuations from -10°C to 60°C and minor vibrations in industrial environments.
  • Long lifespan of 50,000+ hours matches the 8-10 year service life of industrial instruments and appliances.
  • RoHS compliant and free from harmful substances for safe use in global markets and consumer products.
  • Available in multiple color options including blue, yellow green, and pure white for functional cues and brand designs.
FAQs:
  • What is the viewing distance for this 20mm LED display?
    The 20mm character height ensures exceptional readability from 1-3 meters, which is typical for instrument panel viewing in factories or home kitchens, allowing technicians to monitor values without leaning in.
  • Is this display compatible with standard driver ICs?
    Yes, the common anode polarity works seamlessly with standard driver ICs like MAX7219, TM1638, and HT1621 that are widely used in instrument panels, simplifying circuit design for manufacturers.
  • What is the power consumption of this LED display?
    The display features low power consumption of 5-10mA per LED, making it energy-efficient for 24/7 operation in instruments and extending battery life for portable indicators.
  • Does this display meet international safety standards?
    Yes, the display is RoHS compliant, free from lead, mercury, and other harmful substances, making it safe for consumer home appliances and export to global markets including EU, North America, and Asia.
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