ALLNET BrickRknowledge Dual LED Module Green Yellow Common Cathode

The ALLNET BrickRknowledge Dual LED Module is a compact prototyping component featuring two LEDs in green and yellow with a common cathode configuration. Designed for breadboard-friendly use, it integrates seamlessly with microcontrollers like Arduino, Raspberry Pi, and ESP32 for status indication and educational projects.

Advantages

This module simplifies circuit design by providing a pre-assembled dual LED solution with a common ground, reducing wiring complexity. Its 2.54 mm pin pitch ensures compatibility with standard breadboards and prototyping boards. The clear color differentiation (green and yellow) allows for intuitive status signaling.

Suitable for

• Prototyping and development of electronic circuits
• Educational projects and STEM learning
• Status indication in IoT and robotics applications
• Integration with microcontroller platforms (Arduino, Raspberry Pi, ESP32)

Key specifications

• Module Type: Dual LED Module
• LED Colors: Green, Yellow
• Number of LEDs: 2
• Common Connection: Common Cathode (Common Ground)
• Operating Voltage: 3.3V - 5V DC
• Interface: 3-Pin Header (GND, Green Signal, Yellow Signal)
• Pin Pitch: 2.54 mm
• Mounting: Breadboard Compatible
• Board Material: FR-4 PCB
• Current Consumption per LED: Approx. 10-20 mA
• Logic Level Compatibility: TTL/CMOS
• Connectivity: Digital I/O
• Manufacturer: ALLNET GmbH

Recommendations

For optimal performance, use with a current-limiting resistor (typically 220-470 ohms) in series with each LED signal line. Ensure the common cathode is connected to ground. This module is ideal for beginners and professionals alike for quick prototyping and visual feedback.