Knowledge Base

Practical repair knowledge and advice

Useful fault-finding notes, repair tips and workshop advice for keeping devices working for longer.

Soldering11 Aug 2026

Why Does My Soldering Iron Tip Turn Black?

Learn why soldering iron tips turn black, how oxidation affects soldering performance, and how to clean and protect your tip.

Soldering7 Aug 2026

Choosing your first solder can be confusing. Learn which solder type, diameter and alloy are best for beginners starting electronics repair.

Soldering7 Aug 2026

Learn the melting temperatures of leaded and lead-free solder, plus the ideal soldering iron temperatures for reliable joints.

Soldering6 Aug 2026

Learn how to properly clean and maintain your soldering iron tip to improve heat transfer and extend its lifespan.

Soldering6 Aug 2026

Struggling to get solder to bond? Learn the most common reasons solder won't stick and how to fix the problem.

Soldering5 Aug 2026

Understand the differences between leaded and lead-free solder, including melting temperatures, ease of use and common applications.

Soldering5 Aug 2026

Learn what solder flux does, why it's essential for electronics repair, and how it helps create reliable solder joints.

Battery Advice15 Sept 2025

Learn the warning signs of a battery nearing the end of its life.