Dual LED Light Board with Switch DC 3.7–5V DIY Lamp Module

Dual LED Light Board with Control Switch – DC 3.7–5V

Upgrade your DIY lighting projects with this versatile Double LED Light Board. Featuring two distinct LED panels in one compact module — a warm white round LED and a bright white rectangle LED — this board is perfect for flashlights, night lights, desk lamps, and custom electronics builds. With a built-in control switch and a wide operating voltage of 3.7V–5V, it's an ideal pick-and-go component for hobbyists, makers, and DIY enthusiasts.

Key Features

• Dual LED Panels: Round LED (0.3W, 3500K warm white) + Rectangle LED (1W, 6000K cool white) in one board
• Wide Voltage Range: Compatible with DC 3.7V–5V power sources — works with LiPo batteries, USB power banks, and more
• Built-In Control Switch: Easily toggle the light on or off without additional wiring
• Plastic Housing: Lightweight and durable construction for easy integration into DIY builds
• Dual Color Temperatures: Choose warm white (3500K) for ambient lighting or cool white (6000K) for task and flashlight applications
• Compact & Versatile: Designed for flashlights, night lighting, desk lamps, and custom electronics projects
• Easy to Integrate: Straightforward connection points for quick wiring in any DIY circuit

Specifications

Note: Due to manual measurement, please allow a tolerance of 1–3mm. Actual colors may vary slightly from product images due to differences in monitor calibration.

Perfect For

• DIY flashlight and torch builds
• Night light and ambient lamp projects
• Desk lamp and study light assemblies
• Maker, hobbyist, and electronics prototyping
• Arduino, Raspberry Pi, and custom circuit projects

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For guidance on electrical safety and DIY electronics best practices, visit the U.S. Consumer Product Safety Commission – Electrical Safety Resource.

Frequently Asked Questions

Q: What power sources are compatible with this dual LED light board?

A: This LED light board operates on DC 3.7V–5V, making it compatible with a wide range of power sources including 3.7V LiPo/lithium batteries, USB power banks (5V output), and standard 5V USB adapters. It's ideal for portable and plug-in DIY lighting builds alike.

Q: Can I use both LEDs at the same time?

A: The board features both a round warm white LED (0.3W, 3500K) and a rectangle cool white LED (1W, 6000K). The built-in control switch allows you to manage the lighting output. Please refer to the product images for the switching configuration specific to your use case.

Q: Is this suitable for beginner DIY electronics projects?

A: Absolutely! This dual LED light board is a straightforward component with clearly labelled connection points and a built-in switch, making it approachable for beginners while still being flexible enough for advanced hobbyists building custom flashlights, desk lamps, or night lights.

Q: What is the color temperature difference between the two LEDs?

A: The round LED emits warm white light at 3500K, which is great for cosy ambient or night lighting. The rectangle LED emits cool white light at 6000K, ideal for task lighting, flashlights, or any application where bright, clear illumination is needed.