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5V 31mm RGB Push-button Control MCU LED Light Board
5V 31mm RGB Push-button Control MCU LED Light Board
5V 31mm RGB Push-button Control MCU LED Light Board with red, green, blue, yellow, purple, cyan, white and auto color fading
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5V 31mm RGB Push-Button Control MCU LED Light Board
TheRTRLED 31mm RGB Push-Button Control LED Light Board is an advanced, premium circular LED module engineered specifically for creators, hobbyists, and electronic DIY enthusiasts who want total control over their lighting projects.
Featuring an onboard U1 controller IC and a specialized multi-transistor matrix (QR, QG, QB), this smart board allows you to toggle through multiple vibrant solid colors and dynamic modes with a simple press of an external push button—no complex coding, external drivers, or separate controllers required!
Simply connect to a 5V power source and an external momentary switch, and bring your creations to life with personalized color transitions.
Key Features
- Versatile Push-Button Mode Selection: Offers seamless manual control over your lighting. Switch easily between 7 solid static colors (Red, Green, Blue, Yellow, Purple, Cyan, White) and a smooth, relaxing Auto Color Fading (RGB Gradient)cycle.
- Smart Onboard U1 MCU: The integrated microprocessor intelligently handles mode-switching memory and coordinates color output instantly upon pressing your connected external switch.
- Pro-Grade High-Brightness Architecture: Engineered with a premium central 5050 SMD chip backed by independent driving transistors (QR, QG, QB) to deliver maximum color purity, exceptional luminosity, and lower heat generation.
- Safe & Stable 5V DC Operation: Fully compatible with common 5V power sources. You can easily power it via USB cables, smartphone chargers, power banks, or AA/AAA battery boxes.
- Advanced Power Smoothing & Circuit Safety: Built with an onboard capacitor (C1) and a diode (D1) for voltage filtering and anti-reverse protection, ensuring optimal circuit stability and a long operational lifespan.
- DIY-Friendly Design: Features large, highly visible Positive (+)andNegative (-) tinned pads for quick, reliable wire soldering, along with integrated positioning holes for easy screw mounting.
Technical Specifications
| Parameter | Specification |
|---|---|
| Diameter | 31 mm |
| Input Voltage | 5V DC |
| Light Source | Premium 5050 SMD RGB LED * 1 |
| Control Circuit | Onboard U1 MCU + Independent Transistor Array (QR,QG,QB) |
| Lighting Modes | Red, Green, Blue, Yellow, Purple, Cyan, White, and Auto Color Fading |
| Circuit Safety | Onboard Voltage Smoothing Capacitor (C1) + Protection Diode (D1) |
| Model / Batch | 31MM-5050 / 2449-2 |
| Soldering Marks | Positive (+) and Negative (-) |
Versatile Applications
This 31mm round interactive LED panel is the perfect universal light engine for a wide array of creative lighting applications:
- Interactive 3D Acrylic Night Lights: Upgrade wooden or plastic LED lamp bases by adding an intuitive button-controlled interface.
- Resin & Glass Crafts: Deeply illuminate crystal spheres, thick epoxy resin art, and glass ornaments, allowing users to choose their favorite color mood.
- Scale Models & Dioramas: Add switchable, dynamic glowing effects to architectural models, display cases, or sci-fi dioramas.
- Custom Gadget Modding: Great for switch-controlled cosmetic PC case lighting, custom desk toys, or interactive decorative accent lights.
Installation Note
Please ensure correct polarity during soldering: connect to the Positive (+) and Negative (-) terminals accordingly. Do not connect to power sources exceeding 5V DC to prevent permanent damage to the chip.
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