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8-Bit Red Common Cathode LED Bar Graph Module

Utskjutande $5.00

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8-Bit Red Common Cathode LED Bar Graph Module

8-Bit Red Common Cathode LED Bar Graph Module

$5.00

 

Product Name

8-Bit Red Common Cathode LED Bar Graph Module (3.3V / 5V)


Product Overview

This 8-bit LED bar graph module features eight red LEDs in a common cathode configuration, designed for clear visual indication in electronic projects. Each LED can be controlled independently, making the module suitable for displaying levels, status indicators, and simple visual effects.

The module can be inserted directly into a breadboard, allowing easy integration into prototyping and DIY development environments.


Key Features

  • Common cathode configuration

  • 8 individual LED bars

  • Independent LED control

  • Breadboard-compatible design

  • Suitable for DIY electronics and prototyping


Packing List

  • 1 × DC 3–24V 8-bit Red Common Cathode LED Bar Module

 

Technical Specifications

Specification Details
LED Color Red
LED Configuration Common Cathode
Number of LEDs 8
Input Voltage 3.3V – 5V
Current Consumption Up to 20mA per LED
Dimensions 30mm × 20mm
Interface Solder pads for direct connection

Applications

  • Displaying numerical data (e.g., sensor readings, battery levels)

  • System and device status indication

  • Simple animations or visual indicators

  • Educational projects and DIY kits


Usage Notes

  • Each LED has an anode pin and shares a common cathode

  • To turn on an LED, connect the common cathode to ground and apply a positive voltage to the anode

  • Use a current-limiting resistor in series with each anode to control LED current

  • Ensure microcontroller pin current limits are not exceeded when powering directly


Basic Wiring Guide

  1. Connect the common cathode pin to ground

  2. Connect each LED anode pin to a positive voltage through an appropriate resistor

  3. Keep the supply voltage within the rated range

  4. Always use current-limiting resistors to protect the LEDs