Requirement

3. Soldering, and printed circuit boards

Required

Two parts shown and one explained.

Tip. Requirement 3 is soldering and desoldering shown to your counselor, and 4(c) is a circuit you build. Ask at the first meeting where you can solder under the counselor's eye and where the parts for your project will come from.

What this is made of

3(a). Solder and desolder the right way
3(b). Avoid heat damage to electronic components
3(c). Printed circuit boards, and the precautions in soldering them

Where this step comes from

Electronics Merit Badge Requirements (Merit Badge Hub, last modified 2025-09-19), Requirement 3

Notes and warnings

What this is made of

Where this step comes from