Traffic Light LED Display Module for Arduino DIY Project 3.3V-5V
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This compact traffic light LED display module is designed for Arduino and other microcontroller DIY projects. Featuring red, yellow, and green 5mm LEDs with common cathode control, it operates at 3.3V-5V and accepts digital signals for individual color control. Ideal for learning electronics and building traffic light simulations.
add_circle The Upside
- check Easy to use with Arduino and other microcontrollers
- check Clear LED brightness for prototyping
- check Low power consumption
remove_circle The Downside
- close No built-in current limiting resistors (may need external)
- close Limited to basic traffic light patterns without additional programming
- close Not suitable for high-power or outdoor use
Specifications & features
Key features
- check_circle 3 x 5mm LEDs (red, yellow, green)
- check_circle Common cathode interface for individual control
- check_circle Operating voltage: 3.3V-5V
- check_circle Digital signal input
- check_circle Compact size: 56 x 21 x 11mm
Specifications
Brightness
Normal
Input
Digital signal
Interface
Common cathode
LED color
Red, Yellow, Green
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