Lesson 9: Good joint, bad joint, and checking your work
What a good solder joint looks like, and a gallery of every common fault with its cause and its fix. Plus how to check a whole board before you power it up.
Learn more
Lesson 10: Fixing mistakes, desoldering and rework
Nothing you solder is permanent. How to use desoldering braid and a pump, remove a component without damage, clear a bridge, and rescue a lifted pad. Lesson 10.
Learn more
Lesson 11: Beyond the board, wires, heat shrink and connectors
Wire soldering has different rules from board work. Tinning, the joints worth knowing, heat shrink, connectors, and why strain relief matters more than solder.
Learn more
Lesson 12: A quick look at surface mount
What those tiny components are, why they exist, why we did not start you there, and what it genuinely takes to work on them by hand. Soldering Fundamentals 12.
Learn more
Lesson 13: What to build next
What makes a good first soldering project, where to practise, and how to keep improving once the basics are done. Plus how to test what you have built. Lesson 13.
Learn more