Scout Ahead https://www.scoutahead.org/plans/electronics-merit-badge/questions

Which of this applies to you?

Answering these takes the parts that are not for you out of Electronics Merit Badge. Nothing is required, nothing is kept on the server, and nothing is ever hidden because a question went unanswered. A step that might apply to you stays on the list and is marked.

Requirement 4(c): which project?

The badge says choose ONE of the following THREE projects. For any of them you find or create a schematic diagram and explain how the circuit you built operates.

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