OpenELAB Christmas Snowflake Lights
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OpenELAB Christmas Snowflake Lights
The Snow Light project represents a straightforward lighting system that utilizes RGB LEDs to replicate the appearance of falling snowflakes. Utilizing a select few fundamental components, individuals can construct an impressive light display that is ideal for Christmas trees, seasonal decorations, or enhancing the ambiance of any environment with gentle and inviting illumination. This initiative is designed to be accessible to individuals of varying skill levels, promoting inclusivity in creative endeavors.
Key Features
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Magical Light Effects
Simulates falling snowflakes with dynamic LED patterns, creating a mesmerizing winter ambiance. -
Beginner-Friendly
No programming or advanced tools are required—just basic hardware assembly is needed for easy setup. -
Perfect Festive Decor
Adds warmth and joy to your holiday setup, illuminating the winter nights with a festive glow. -
USB-Powered
Powered via a convenient and reliable USB Type-C connection, eliminating the need for complex power setups. -
Customizable
Expand the design with additional LEDs or integrate it into other projects, offering endless creative possibilities.
PCB Design, Circuit Schematic & Physical Build
Circuit Schematic
PCB Layout
BOM (Bill of Materials)
| Component | Specification | Quantity |
|---|---|---|
| USB-Type-C Module | - | 1 |
| AMS117-3.3 | Voltage Regulator | 1 |
| Capacitor | 10uF | 2 |
| Capacitor | 0.1uF | 2 |
| LED | RGB or Single Colour | 6 |
| Resistor | 10Ω | 6 |
Circuit Design Explanation
Power Supply
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The USB Type-C module provides a steady 5V supply.
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The AMS1117 voltage regulator steps down the 5V to 3.3V, ensuring the LEDs operate within safe limits.
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Capacitors (10μF and 0.1uF) are placed at the input and output of the voltage regulator to stabilize the current and voltage.
LED Circuit
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Six LEDs are connected in parallel to the 3.3V output of the regulator.
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Each LED is paired with a current-limiting resistor (330Ω or 470Ω)to prevent damage and ensure uniform brightness.
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You can add more LEDs by following the same setup for a brighter display!
Hardware Assembly
Effective Date: March 27, 2025
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