What is the size of this blue LED?

This is a standard 5mm blue through-hole LED.

How many LEDs are included?

The package includes 1 piece of 5mm blue LED.

Can I use this LED with Arduino?

Yes. It can be used with Arduino and other microcontroller projects with an appropriate current-limiting resistor.

Can the LED be connected directly to a battery?

It should not normally be connected directly to a power source. Use a suitable current-limiting resistor to prevent excessive current.

What are the applications of a 5mm blue LED?

It can be used for power and status indicators, breadboard projects, PCBs, Arduino projects, robotics, DIY electronics, and decorative lighting.

5mm LED Blue - 1 pc

Name: 5mm LED Blue - 1 pc
Brand: KathalTech
SKU: 5mm-led-blue-1-pc
Price: 2.00 BDT
Availability: InStock
Rating: 5.0 (1 reviews)

5.0 (1 Reviews)

৳2.00

VAT inclusive; Computed calculations added locally.

5mm Blue LED is a compact, bright, and easy-to-use through-hole light-emitting diode, ideal for indicator lights, Arduino projects, electronic circuits, DIY devices, and hobby projects.

In Stock & Ready to Ship 1 watching

Delivery Rates Express

Inside Dhaka: ৳70 (2-4 Business Days)

Outside Dhaka: ৳122 (3-5 Days)

COD available 100% Genuine

Jump to: Overview Description Specifications Reviews (1) FAQs (5)

Overview

The 5mm LED Blue – 1 Pc is a standard through-hole blue LED designed for simple visual indication and electronic projects. Its compact 5mm package makes it easy to install on breadboards, PCBs, and prototype boards.

This blue LED can be used as a power indicator, status indicator, signal light, or decorative light source in a wide range of low-voltage electronic circuits. It is suitable for Arduino, microcontroller, robotics, and general DIY applications.

For safe operation, the LED should normally be connected with an appropriate current-limiting resistor. The exact resistor value depends on the supply voltage and the LED's forward-voltage/current characteristics.

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Verified Comments Listing

The 5mm LED Blue is a general-purpose blue light-emitting diode suitable for electronics prototyping, circuit indication, and DIY projects. Its standard 5mm through-hole package makes it convenient to mount on breadboards and PCBs.

Features

Standard 5mm LED package
Blue light output
Through-hole design for easy mounting
Compact and lightweight
Suitable for breadboards and PCBs
Useful for circuit status and power indication
Ideal for Arduino and microcontroller projects
Suitable for DIY electronics and robotics
Quantity: 1 piece

Applications

Arduino and microcontroller projects
Power and status indicators
PCB projects
Breadboard prototyping
Robotics projects
DIY electronic devices
Control panels
Decorative electronic lighting
Hobby and educational projects

How to Use

Connect the LED in the correct polarity with a suitable current-limiting resistor. The longer leg is generally the anode (+) and the shorter leg is the cathode (-). Avoid connecting the LED directly to a power source without current limiting.

Important Notes

Use an appropriate resistor to limit LED current.
Observe correct LED polarity during installation.
Do not exceed the LED's rated current or voltage.
Actual brightness may vary depending on the driving current and circuit design.
Product appearance may vary slightly by manufacturing batch.

Package Includes

1 × 5mm Blue LED

Specification	Details
Product Type	LED
LED Diameter	5mm
Color	Blue
Package Type	Through-Hole
Quantity	1 Pc
Mounting	PCB / Breadboard
Application	Indicator, DIY Electronics, Arduino, Robotics