7-Segment Display 0.8 Inch Common Cathode (8106AS-1)
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Prices updated: 12 Oct 2026
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About this product
A single-digit 7-segment LED display with a 0.8-inch digit height and common cathode wiring. It is used to show numbers in counters, timers, meters and small instrument projects. Each segment is lit by driving its anode high through a current-limiting resistor, with the common cathode connected to ground.
Specifications
- Digit height
- 0.8 inch
- Configuration
- Common cathode
- Number of digits
- 1
- Model
- 8106AS-1
Frequently asked questions
How do I wire a common cathode display?
Connect the common cathode pin to GND. Drive each segment anode from a microcontroller pin through a current-limiting resistor, or through a transistor if the current is higher than the pin can supply. Confirm the pinout in the datasheet.
Can I use it with an Arduino?
Yes, with one current-limiting resistor per segment or a driver IC. Pin layouts differ between 7-segment modules, so verify the pin mapping for this exact part before wiring.
