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D0190 LED 7 Segment Red Display


Compact 7 segment LED display Common Cathode for numeric output. Easy to use with Arduino, ideal for timers, counters, and digital electronics projects.

$1.50

D0190 LED 7 Segment Display Common Cathode

This 7 segment LED display provides a simple and effective way for students to display numbers and basic characters in electronic projects. With a common cathode configuration and bright red output, it is ideal for teaching digital electronics, counting systems, and display control in STEM and Systems Engineering classrooms.

Key Features

  • Common cathode configuration for easy control
  • Bright red LED segments for high visibility
  • Individual control of 7 segments + decimal point
  • Standard pin layout for breadboards and PCBs
  • Reliable and reusable for classroom use

What’s Included

  • 1 × 7 Segment LED Display (Common Cathode, Red)

Curriculum Links

Australian Curriculum (v9.0):

  • ACTDIK049 – Acquire, store and validate data
  • ACTDIP050 – Design and implement digital solutions

Victorian Curriculum:

  • VCDTDI036 – Data representation and display
  • VCDTDI037 – Algorithm design and implementation

NSW (Stage 4–5 Technology Mandatory):

  • TE4-2DP – Designs and produces solutions
  • TE4-5AG – Applies problem-solving and evaluation

Classroom Use / Learning Outcomes

Students will:

  • Display numerical data using digital outputs
  • Control multiple outputs simultaneously
  • Understand segment mapping and binary control
  • Explore concepts such as multiplexing and timing

Teacher Benefits

  • Clear visual output for demonstrations
  • Supports progressive learning (basic to advanced)
  • Easy integration with microcontrollers
  • Ideal for both individual and group projects

Perfect For

  • Digital electronics lessons
  • Counters and timers
  • Data display projects
  • Systems Engineering (Years 7–10)

 

 

Technical Specifications

  • Display Type: 7 Segment LED (Common Cathode)
  • LED Colour: Red
  • Number of Segments: 7 segments + 1 decimal point
  • Operating Voltage (per segment): ~1.8V–2.2V
  • Forward Current (per segment): ~10–20mA
  • Output Type: Digital (individual segment control)
  • Configuration: Common Cathode (shared ground)
  • Pin Configuration: 10-pin standard layout
  • Interface: Direct GPIO control or via driver IC (e.g. shift registers)
  • Compatibility: Arduino, Raspberry Pi, and other microcontrollers
  • Viewing Angle: ~120°
  • Digit Height: ~12–13mm (typical)
  • Dimensions: ~12.5mm × 17.5mm
  • Mounting / Form Factor: Through-hole, breadboard compatible
  • Operating Temperature: -20°C to +70°C
  • Additional Notes: Current-limiting resistors required for each segment

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