Project 33 · Sensor Catalog (Vol III)

Single-digit 7-Segment Display

Master the building block of digital clocks by controlling an 8-LED matrix arranged in a 'figure 8' pattern.

Intermediate 70 min 5 components
Single-digit 7-Segment Display wiring diagram

What you'll learn

  • Understand the internal structure and pinout of a 7-segment LED display.
  • Implement a truth table in code to control multiple outputs simultaneously.
  • Distinguish between Common Cathode (CC) and Common Anode (CA) configurations.
  • Apply current-limiting techniques for multiple LED segments.

What's in the kit

  • Arduino UNO
  • 1-Digit 7-Segment Display (Common Cathode)
  • 220Ω Resistor×8
  • Breadboard
  • Jumper Wires (M-M)×10

Protocol: digital