5mm Blue LED | Round Indicator LED for Electronics Projects

The 5mm Blue LED is a commonly used light-emitting diode for electronics and embedded projects. It is useful as a visual indicator in Arduino projects, breadboard testing, PCB designs, model projects, and DIY electronics.

This LED glows blue when connected with proper polarity and a suitable current-limiting resistor.

Key Features 5mm round blue LED Bright and easy-to-use indicator light Suitable for breadboard and PCB projects Low power consumption Useful for Arduino and electronics experiments Good for school, college, and DIY projects Can be used for indication and decorative lighting Common Applications Signal indicator Status indicator Arduino output testing Breadboard experiments DIY electronics projects Robotics projects Decorative light projects School and college project models Usage Note

Always use a suitable current-limiting resistor with the LED to avoid damage. For Arduino projects, a resistor such as 220Ω or 330Ω is commonly used.

Polarity Long leg: Positive / Anode Short leg: Negative / Cathode Recommended Product

If you are using this LED with Arduino, you can also check:

Arduino Uno R3 Development Board ATmega328P

Package Includes 1 × 5mm Blue LED