KY-034 Automatic Flashing Colorful LED Module

The KY-034 Automatic Flashing Colorful LED Module is a compact and fun RGB lighting component designed for educational electronics, DIY projects, and creative Arduino builds. This module uses a special 5mm RGB Flash LED that automatically cycles through multiple colors without requiring any code or controller, making it perfect for beginners and hobbyists.

Its plug-and-play design allows quick integration into circuits, and it is compatible with popular microcontroller platforms such as Arduino and Raspberry Pi, making it suitable for indicator lights, decorative models, toys, and school projects.

✔ Compatibility

• Works with Arduino Boards
  👉 https://electroway.org/product-category/arduino-and-accessories/arduino-boards/

• Can be used with NodeMCU or similar IoT boards for creative RGB lighting effects
  👉 https://electroway.org/product-category/iot-and-smart-solutions/iot-modules/nodemcu/

Explore Electronics Components:
👉 https://electroway.org/product-category/electronics-components/

✔ Technical Specifications

✔ Applications & Uses

The KY-034 module can be used for:

• Decorative lighting projects

• DIY Arduino models and effects

• Indicator LEDs for electronics

• Kids school science projects

• Custom toys with changing colors

• Mood lamps and hobby lighting

• Visual status indicators for circuits

• Learning basic electronics & LED behavior

Check related modules in:

• Arduino & Accessories: https://electroway.org/product-category/arduino-and-accessories/

• Tools and Accessories: https://electroway.org/product-category/tools-and-accessories/

✔ Precautions

• Do not exceed 5V input to avoid LED burnout.

• Avoid reverse polarity (LED may permanently fail).

• Keep away from moisture and high-temperature environments.

• Handle the LED lens carefully to avoid scratches that affect light diffusion.

• Use a current-limiting resistor if driving directly from a microcontroller pin.

✔ YouTube Tutorial Video

(How flashing RGB LEDs work – similar module demonstration)
📌 Watch Video:https://www.youtube.com/shorts/hOxsc-ftrzg

⭐ Product Summary

The KY-034 Automatic Flashing Colorful LED Module is a simple, plug-and-play RGB lighting module that cycles through multiple colors automatically. It is perfect for DIY Arduino projects, decorations, electronics demonstrations, and visual indicators. Easy to use, low power, and ideal for beginners.