5V 31mm Push Button 3 CCT MCU LED Light Board

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5V 31mm 3-CCT Intelligent MCU LED Light Board Smart Color-Switching Aluminum Panel with Built-In Controller (3 Color Modes)

Upgrade your custom light fixtures with this highly advanced, ultra-compact circular 3-CCT LED light board. Measuring 31mm in diameter, this module features an onboard MCU (Microcontroller Unit) chip that allows you to easily switch between three distinct color temperatures using a standard push-button setup. Built on a heavy-duty aluminum substrate for superior cooling and powered by a safe 5V DC input, it is the ultimate smart core for custom puck lights, desk ornaments, and premium DIY lighting projects.

Key Features

Intelligent 3-CCT Color Switching: Features an onboard MCU chip that cycles through three distinct lighting modes via external push-button control: Warm White, Cool White, and Natural White (Combined). Enjoy complete mood customization from a single board!
Ultra-Compact 31mm Smart Design: Combines a high-density LED layout and a smart control chip on a tight circular profile with a central hole, making it ideal for micro-lighting fixtures, mini lamps, and custom 3D prints.
Premium Aluminum PCB Substrate (MCPCB): Engineered with a high-thermal-conductivity aluminum core that rapidly draws heat away from both the LEDs and the MCU chip, ensuring long-term reliability and prevention of light degradation.
High-Efficiency Dual-Tone SMD LEDs: Populated with alternating color-temperature LED chips designed to mix flawlessly, creating an ultra-even, shadow-free illumination pattern in any selected color mode.
Safe & Universal 5V Low Voltage: Runs smoothly on standard 5V DC power. Perfect for integration with USB cables, phone chargers, power banks, or 5V lithium/AA battery packs.
Durable, Ready-to-Solder Interface: Features clearly labeled, pre-tinned pads for seamless integration with your choice of input power (+) and (-), along with connections for your toggle/push button.

Ideal Applications

Smart Custom Puck Lights: Perfect for building premium, color-adjustable under-cabinet lights, wardrobe lighting, and luxury retail display showcases.
Advanced 3D Printing & Lithophanes: Give your 3D-printed lithophanes, moon lamps, or desktop sculptures an adjustable dual-tone backlight that lets users toggle between cool day and warm night profiles.
Artisan Lamps & DIY Tech Crafts: An ideal smart core for boutique wooden lamps, bedside nightlights, and interactive resin desk objects.

Technical Specifications

Diameter: 31mm (Circular Profile with Center Hole)
Input Voltage: DC 5V
Control Unit: Onboard Intelligent MCU Chip
Color Modes (3-CCT): Warm White / Cool White / Natural White (Both On)
Board Material: Aluminum Core PCB (MCPCB)
Wiring Interface: Clearly Marked Solder Pads (Positive + / Negative -)

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