RGB Inteligent LEDs for R PI PICO

RGB Inteligent LEDs for RASPBERRY PI PICO and PICO2

The RGB Intelligent LED Module is a compact and flexible lighting solution based on the WS2812B, designed for seamless integration with the Raspberry Pi Pico, Pico2, and other microcontroller platforms. Each LED integrates a driver IC, enabling individual control of color and brightness through a single-wire digital interface.

The LEDs are connected in a serial daisy-chain configuration, where the data output (DOUT) of one LED is connected to the data input (DIN) of the next, allowing multiple LEDs to be controlled using a single GPIO pin. The first LED in the chain is driven directly from the microcontroller via a series resistor (typically 330 Ω), ensuring signal integrity and protecting the input stage of the LED.

The module supports full 24-bit color control (8 bits per channel: red, green, blue), enabling smooth color transitions, animations, and complex lighting effects. Each LED can be addressed individually, making the system suitable for applications such as decorative lighting, status indication, user interfaces, and embedded visual feedback systems.

The design has been verified against the schematics to ensure correct signal routing, proper daisy-chain connectivity (DIN → DOUT), and reliable operation. Special attention is given to common ground connection, which is essential for stable data communication between the microcontroller and the LED chain.

MicroPython example programs are available for the Raspberry Pi Pico/Pico2, allowing users to quickly implement basic functions such as static color setting, brightness control, and dynamic effects (e.g., rainbow patterns). This simplifies integration into prototyping, IoT, and embedded system projects.

Features

• Based on WS2812B with integrated driver IC
• Compatible with Raspberry Pi Pico and similar platforms
• Single-wire control with daisy-chain (DIN → DOUT) connection
• Individually addressable LEDs with full RGB color control
• Verified schematic design for reliable operation
• MicroPython example code available

Applications

• Decorative and ambient lighting systems
• Status indication and visual feedback in embedded systems
• LED animations and effects (e.g., rainbow, patterns)
• IoT and smart home lighting projects
• User interface indicators and signal visualization
• Wearable electronics and creative DIY projects
• Educational and prototyping applications

Technical Specifications

• LED Type: WS2812B with integrated driver IC
• Supply Voltage (VDD): 5 V DC (typical)
• Logic Level Input: 3.3 V / 5 V compatible
• Communication Interface: Single-wire digital protocol
• Color Resolution: 24-bit (8-bit per Red, Green, Blue)
• Number of LEDs: 8 (daisy-chain configurable)
• Date Connection: DIN → DOUT serial cascading
• Signal Resistor: ~330 Ω recommended on data input
• Current Consumption: up to ~60 mA per LED (full white)
• Viewing Angle: approx. 120°
• Data Transfer Rate: up to 800 kbps
• Operating Temperature Range: −20 °C to +70 °C
• Control Method: Compatible with MicroPython, Arduino, and other platforms

Additional Notes and Information

To run the provided MicroPython example for the RGB Intelligent LED Module board, install and use the Thonny IDE with your Raspberry Pi Pico.

1. Install Thonny IDE on your computer.
2. Connect the Raspberry Pi Pico to the PC using a USB cable.
3. In Thonny, select MicroPython (Raspberry Pi Pico) as the interpreter.
4. Open the provided main.py example file.
5. Save the file to the Raspberry Pi Pico (File → Save As → Raspberry Pi Pico).
6. Press Run (F5) or restart the board.

After uploading, the `main.py` file will automatically execute on every board reset. The program initializes the LED control on the Raspberry Pi Pico and sets all connected WS2812B devices to the defined color or animation, allowing immediate visual feedback upon startup.

Downloads

• main.py
• schematics.JPG

https://mega.nz/folder/5BVAgTiI#OzOejov36d9a67oIFZ1diQ