Flashlight Kit

Contributors: M-Short
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The Flashlight Soldering Kit is a basic soldering kit designed to help teach the basics of through hole soldering and circuit design. This tutorial will go over the basics of a circuit, how to solder, and show you how to build your own flashlight.

SparkFun Basic Flashlight Soldering Kit

SparkFun Basic Flashlight Soldering Kit


Required Tools

To build this you will need a few basic tools such as a soldering iron, solder, and snippers. If you have never soldered before and are looking for a basic setup, the Beginners Tool Kit is a great place to start.

Soldering Iron - 60W (Adjustable Temperature)

Soldering Iron - 60W (Adjustable Temperature)

Diagonal Cutters

Diagonal Cutters

SparkFun Beginner Tool Kit

SparkFun Beginner Tool Kit

Solder Lead Free - 15-gram Tube

Solder Lead Free - 15-gram Tube


Suggested Reading

Here are a few basic tutorials on some of the concepts that we will cover. There are also links throughout the tutorial to give you more information on a topic if you are confused or just interested in learning more.

How to Solder: Through-Hole Soldering

This tutorial covers everything you need to know about through-hole soldering.


A tutorial on all things resistors. What is a resistor, how do they behave in parallel/series, decoding the resistor color codes, and resistor applications.

Light-Emitting Diodes (LEDs)

Learn the basics about LEDs as well as some more advanced topics to help you calculate requirements for projects containing many LEDs.


An introduction to polarity in electronic components. Discover what polarity is, which parts have it, and how to identify it.