Learn Electronics
Free step-by-step guides for beginners. Pick a guide below and learn at your own pace.
Got a How To Solder card in your kit? Start here.
How to Solder
Our step-by-step guide shows the tools you need, how to stay safe, and how to make a good solder joint.
Read the soldering guideStart here
Complete Beginner's Guide to Electronics in 2026
New to electronics? Learn the basic ideas, parts, and tools you need to build your first circuit.
Electronics Safety & Best Practices - Complete Safety Guide
Simple rules for working safely with low voltage, hot soldering irons, and static-sensitive parts.
How to Use a Breadboard: Beginner Electronics Guide
See how a breadboard is wired inside and how to build a circuit on it without solder.
How to Use a Digital Multimeter for Electronics
Measure voltage, current, and resistance, and find broken connections with a multimeter.
Soldering
How to Solder Electronics: Beginner Tutorial & Safety Guide
Step-by-step soldering for beginners: the tools, the safety rules, and how to make a good joint.
PCB Soldering Masterclass - Through-Hole & SMD Techniques
The next step: through-hole and surface-mount soldering, flux, fixing mistakes, and checking joints.
Best Soldering Kit for Beginners (2026): Buying Guide
What to look for in a first soldering iron and kit, and the common mistakes to avoid.
Parts and power
Component Reference Guide
Plain notes on resistors, capacitors, LEDs, and other common parts, and how to test each one.
Semiconductor Components Guide: Transistors, Diodes & ICs Explained
How diodes, transistors, and chips work, and how to read their datasheets.
How to Choose a Power Supply for Electronics Projects
Match voltage, current, plug, and polarity so you pick a safe power supply for your project.
Projects and kits
Best Arduino Starter Kit 2026: Buying Guide & Reviews
Compare Arduino starter kits and find the one that fits your budget and your goals.
Arduino Projects for Beginners - 10 Easy Step-by-Step Tutorials
Ten easy first Arduino projects, from blinking an LED to reading sensors and moving a servo.
Make: Electronics by Charles Platt - Complete Book & Kit Guide
What is in the Make: Electronics book, how the editions differ, and which kit goes with each.
