8-Bit Red Common Cathode LED Bar Graph Module
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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
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Common cathode configuration
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8 individual LED bars
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Independent LED control
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Breadboard-compatible design
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Suitable for DIY electronics and prototyping
Packing List
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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
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Displaying numerical data (e.g., sensor readings, battery levels)
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System and device status indication
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Simple animations or visual indicators
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Educational projects and DIY kits
Usage Notes
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Each LED has an anode pin and shares a common cathode
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To turn on an LED, connect the common cathode to ground and apply a positive voltage to the anode
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Use a current-limiting resistor in series with each anode to control LED current
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Ensure microcontroller pin current limits are not exceeded when powering directly
Basic Wiring Guide
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Connect the common cathode pin to ground
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Connect each LED anode pin to a positive voltage through an appropriate resistor
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Keep the supply voltage within the rated range
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Always use current-limiting resistors to protect the LEDs
Let customers speak for us
Thanks
Arrived very quickly and worked a treat.
This product is most likely. Compact and easy, daily use. 😉
Very good repair set at an excellent price! Arrived on time and came well-packed. Very pleased with it. Recommended seller.
Nice doing business, product was as described in description. Works as Indented, thanks.
For use at my soldering station to keep fumes out of my eyes
