What is a 3mm Basic Blue LED?

A 3mm Basic Blue LED is a compact through-hole light-emitting diode that produces blue light and is commonly used as an indicator in electronic circuits.

Where can I use a 3mm Blue LED?

A 3mm Blue LED can be used for power indicators, status indicators, Arduino projects, microcontroller circuits, breadboards, PCBs, robotics, DIY electronics, and educational projects.

How many pins does a 3mm Blue LED have?

The 3mm Basic Blue LED has two pins and uses a standard through-hole package.

Does a 3mm Blue LED need a resistor?

Yes. A suitable current-limiting resistor should normally be used with the LED to control current and protect the LED from excessive current.

What is the price of the 3mm Basic Blue LED in Bangladesh?

The current price of the 3mm Basic Blue LED is ৳2 on KathalTech.

3mm Basic LED Blue

Name: 3mm Basic LED Blue
Brand: KathalTech
SKU: 3mm-basic-led-blue
Price: 2.00 BDT
Availability: InStock
Rating: 5.0 (1 reviews)

0.0 (0 Reviews)

৳2.00

VAT inclusive; Computed calculations added locally.

3mm Basic Blue LED is a compact through-hole light-emitting diode designed for indicator lights, Arduino projects, breadboards, PCBs, robotics, and DIY electronic circuits. Its small 3mm package makes it suitable for compact electronic applications.

In Stock & Ready to Ship 10 watching

Delivery Rates Express

Inside Dhaka: ৳70 (2-4 Business Days)

Outside Dhaka: ৳122 (3-5 Days)

COD available 100% Genuine

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Overview

The 3mm Basic Blue LED is a practical and compact LED component for a wide range of electronic projects. With its blue light output and standard 3mm through-hole package, it can be easily integrated into breadboards, PCBs, prototype circuits, and DIY electronics projects.

Whether you need a power indicator, status indicator, signal light, or visual feedback, this blue LED is a simple solution for hobby electronics, Arduino and microcontroller projects, robotics, educational circuits, and custom electronic devices.

Its compact size also makes it useful where PCB space is limited.

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Verified Comments Listing

The 3mm Basic Blue LED is a small and versatile light-emitting diode suitable for general-purpose electronic applications. Its compact 3mm body allows it to be installed easily on breadboards, PCBs, perfboards, and other prototyping platforms.

This blue LED can be used as a power indicator, circuit status indicator, signal indicator, or visual notification light. It is suitable for Arduino, ESP32, Raspberry Pi, microcontroller, robotics, automation, and DIY electronics projects.

The standard two-pin through-hole construction makes the component easy to work with during circuit assembly and prototyping. The LED should be operated with an appropriate current-limiting resistor to control the current and help prevent damage.

Key Features

Compact 3mm LED package
Blue light output
Standard through-hole construction
2-pin design
Easy to use with breadboards and PCBs
Suitable for Arduino and microcontroller projects
Useful for power and status indication
Ideal for DIY, educational, hobby, and prototype electronics
Suitable for robotics and electronic control projects

Product Type	3mm Basic LED
LED Color	Blue
Package Size	3mm
Mounting Type	Through-Hole
Number of Pins	2
Application	Indicator Lights, Arduino Projects, DIY Electronics, PCB Prototyping