Mean Well LED Switching Power Supply Hookup Guide

Contributors: bboyho
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In this tutorial, we will be connecting a Mean Well LED switching power supply (5V/25W or 5V/40W) to an addressable LED strip controlled by an Arduino.

Mean Well LED Switching Power Supply - 5VDC, 5A


Mean Well LED Switching Power Supply - 5VDC, 8A

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Required Materials

To follow along with this tutorial, you will need the following materials with the Mean Well 5V power supply. This is assuming that you are using the wall adapter cable for 120VAC. For the load, we will be using an addressable LED strip. You may not need everything though depending on what you have. Add it to your cart, read through the guide, and adjust the cart as necessary.

iPixel Wall Adapter Cable - Two Terminal (NA)

iPixel Wall Adapter Cable - Two Terminal (NA)

$3.95 $2.96

Terminal Block - 3 Position (15A, 600V)

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Terminal Block - 6 Position (15A, 600V)

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Skinny LED RGB Strip - Addressable, 1m, 60LEDs (SK6812)


Suggested Tools

Depending on your setup, you may need a soldering iron, solder, and general soldering accessories. Otherwise, a screw terminal block and a screw driver is sufficient.

Digital Multimeter - Basic

Digital Multimeter - Basic

Solder Lead Free - 100-gram Spool

Solder Lead Free - 100-gram Spool

SparkFun Mini Screwdriver

SparkFun Mini Screwdriver


Weller WLC100 Soldering Station

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You will also need:

  • Electrical Tape
  • Surge Protector

Suggested Reading

If you aren’t familiar with the following concepts, we recommend checking out these tutorials before continuing.

Voltage, Current, Resistance, and Ohm's Law

Learn about Ohm's Law, one of the most fundamental equations in all electrical engineering.

How to Power a Project

A tutorial to help figure out the power requirements of your project.

Working with Wire

How to strip, crimp, and work with wire.

Electric Power

An overview of electric power, the rate of energy transfer. We'll talk definition of power, watts, equations, and power ratings. 1.21 gigawatts of tutorial fun!

WS2812 Breakout Hookup Guide

How to create a pixel string with the WS2812 and WS2812B addressable LEDs!

How to Use a Multimeter

Learn the basics of using a multimeter to measure continuity, voltage, resistance and current.