The Two-Colour LED Module is a versatile component that houses a bi-color LED, typically emitting red and green light, within a single compact package. Designed for easy integration with platforms like Arduino, it operates at 2.0-2.5V per color with a 20mA current, offering flexibility via PWM to blend shades like yellow. Available in 3mm or 5mm sizes, it features three pins—commonly a shared cathode or anode plus two color inputs—simplifying wiring for digital control.
This module’s dual-LED setup, encased in a clear or diffused epoxy lens, provides distinct red (620-630nm, 60-100mcd) and green (515-530nm, 40-80mcd) outputs, depending on polarity or pin activation. Its lightweight design (around 1-2g) and small footprint (e.g., 3mm diameter, 5-6mm height for 3mm LEDs) make it ideal for space-constrained projects. Pair it with current-limiting resistors (e.g., 330 ohms) to prevent burnout when connected to 5V systems like Arduino.
Key Features:
- Dual red and green light emission
- PWM control for color mixing
- Compact 3mm or 5mm LED size
- Low 2.0-2.5V operation per color
- Simple three-pin interface
- Clear or diffused lens options
- Lightweight and durable build
Technical Specifications:
- Voltage Range: 2.0V – 2.5V (red), 2.0V – 2.5V (green)
- Current Consumption: ~20mA per color (with limiting resistors)
- LED Size: 3mm or 5mm (model-dependent)
- Interface Type: 3-pin (red, green, ground)
- Operating Temperature Range: -25°C to 85°C
- Dimensions: ~15mm x 10mm x 5mm (including pins)
Applications:
- Status indicators for electronic devices
- Visual feedback in Arduino projects
- Traffic light simulations for education
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