10pcs 5V Traffic Light 5mm LED Display Module for Arduino and Microcontroller Projects
This pack of 10 traffic light LED modules provides an authentic 3-color signal display system designed for Arduino, 51 microcontrollers, and DIY electronics projects. Each module features three 5mm LEDs in standard traffic light colors: red, yellow, and green, arranged in the classic vertical configuration.
Technical Specifications:
Size: 61 × 21 × 11mm (2.4 × 0.83 × 0.43 inches)
Light Colors: Red, Yellow, Green
LED Type: 5mm × 3
Brightness: Standard brightness
Operating Voltage: 5V
Input Type: Digital signal output
Interface: Common cathode with separate control for each color
Operating Current: Red 13mA, Yellow 13mA, Green 25mA
Cable Length: Approximately 20cm (8 inches) per connection
Compatible Platforms: Arduino, 51 single chip microcontroller
Key Features:
1. Compact design fits easily into breadboards and project enclosures
2. Simple wiring with pre-attached cables for quick prototyping
3. Purpose-built for traffic signal simulation and indicator applications
4. Common cathode configuration allows independent control of each LED
5. PWM compatible for brightness adjustment and effects
Operation Guide:
1. Requires a microcontroller for operation
2. Send high or low level signals from your controller to turn individual LEDs ON or OFF
3. Supports PWM control for advanced lighting effects and dimming
4. Each color channel controlled independently through separate pins
Practical Applications:
1. Arduino creative DIY projects and maker experiments
2. Traffic signal system simulation and modeling
3. Educational demonstrations for electronics and programming classes
4. Visual indication systems for process status
5. Light-based alarm and notification systems
6. STEM education and robotics competitions
7. Prototype development for IoT devices
The 10-pack quantity makes this module set ideal for classroom settings, workshop groups, or makers who need multiple units for complex projects or replacement components. The standard 5V operation ensures compatibility with most Arduino boards and common microcontroller development platforms without requiring additional power supplies or level shifters.
Each module’s compact 61mm height allows for easy integration into project enclosures while maintaining visibility. The 20cm cables provide flexibility in positioning and connection to your controller board, reducing the need for extension wires in most applications.















Reviews
There are no reviews yet.