Soldering guides
Everything you need to go from nervous beginner to confident solderer — written in plain English, with the practice kits to try each skill on.
How to Solder for Beginners: A Complete Step-by-Step Guide
Learn how to solder from scratch: the tools you need, safety, tinning the tip, making a good joint, soldering wires, fixing mistakes and a simple practice plan.
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ESD Safety for Soldering: Protecting Sensitive Components
What electrostatic discharge (ESD) is, which components it damages, and the simple, cheap steps to protect your projects with a wrist strap and mat.
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Helping Hands and PCB Holders: The Third Hand Every Bench Needs
How helping-hands tools and PCB holders make soldering easier, what to look for, and why a third hand is the upgrade beginners notice most.
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How to Fix a Cold Solder Joint (Spot It and Reflow It)
What a cold solder joint looks like, how to test for one, why it happens, how to reflow it — and how it differs from cracked joints caused by solder cold flow (creep).
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How to Read a Schematic: A Beginner's Guide to Circuit Diagrams
Learn to read electronic schematics: a symbol chart, reference designators, component values like 4k7 and 104, a worked LED circuit, and how a diagram maps onto a real circuit board.
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How to Solder Battery Tabs (18650 and Pack Building Safely)
How to solder tabs and wires to 18650 and lithium cells safely: why heat is the enemy, when to spot-weld instead, and a safe step-by-step method.
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How to Solder Wires Together (Splice, Heat-Shrink and Tin)
How to solder wires together step by step: tip and temperature by wire gauge, tinning, Western Union, inline and pigtail splices, heat-shrink sizing, and when to crimp instead.
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How to Use Soldering Flux (and Which Type to Buy)
How flux works in soldering, the types and forms (paste, pen, liquid, gel), how to apply it for through-hole, SMD and wires, and how to clean the residue.
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SMD Rework Basics: Hot Air and Reflow Soldering Explained
An introduction to surface-mount rework: how hot air rework stations and reflow work, when you need them, and how to remove and replace SMD components.
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Solder Wire Types and Gauge: A Complete Buyer's Guide
Solder wire explained: a size chart in mm, inches and AWG, 60/40 vs 63/37 vs lead-free, flux core types and percentages, and which diameter to use for electronics.
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Soldering for RC and Drones: Connectors, ESCs and Battery Leads
A practical guide to soldering for RC and FPV drones: tinning pads, soldering XT60 connectors, motor and ESC wires, and avoiding cold joints that cause crashes.
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Soldering Fume Safety: What You're Breathing and How to Stop It
Soldering fumes explained: what flux smoke actually is, the health risks, and how to protect yourself with ventilation and a fume extractor.
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Soldering vs Welding vs Brazing: What's the Difference?
Soldering, brazing and welding compared: temperatures, how each joint forms, strength, equipment, which metals each joins — and whether you can solder instead of weld.
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How to Desolder: Removing Solder and Components Safely
How to desolder: using solder wick and a solder sucker, removing through-hole and SMD components, clearing stubborn holes, and avoiding lifted pads.
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Soldering Iron Temperature Guide (Settings Chart)
The right soldering iron temperature by solder type and job — plus solder melting points, desoldering and hot air settings, and how hot basic 25W–60W irons really run.
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Soldering Tools Checklist for Beginners
A complete beginner soldering tools checklist: the must-have iron, solder and safety gear, plus the nice-to-have extras that make soldering easier.
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How to Clean and Tin a Soldering Iron Tip (and Make It Last)
How to clean a soldering iron tip, tin a new one, revive a black oxidized tip, which cleaners to use (brass wool, sponge, tip tinner) and the habits that make tips last.
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Lead-Free vs. Leaded Solder: Which Should You Use?
Lead-free vs leaded solder compared: melting points, iron temperatures, how to hand-solder lead-free, how to tell them apart, safety, RoHS, and which to learn on.
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Soldering for Kids: Age, Safety and First Projects (Parent's Guide)
A parent's guide to soldering for kids and teens: what age they can start, the safety rules that matter, how to run a first session, and what makes a good first project.
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10 Common Soldering Mistakes (and How to Fix Them)
Cold joints, solder bridges, lifted pads and more — the most common soldering mistakes beginners make, why they happen, and how to fix and avoid them.
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How to Choose a Soldering Iron: A Beginner's Buying Guide
How to choose a soldering iron: the types (station, pen, cordless, USB-C, butane, gun), the specs that matter, tips, budget tiers and the mistakes to avoid.
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Through-Hole vs. Surface-Mount Soldering Explained
Through-hole (THT) and surface-mount (SMD/SMT) soldering explained: the differences, which to learn first, and the tools and practice kits for each.
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