Task · part of 4. Control, digital and analog electronics, and a project

4(c). Build a project. Choose ONE of three

Required

Find or create a schematic diagram for it, then explain to your counselor, to the best of your ability, how the circuit you built operates.

Note. The project is built, not only drawn: the requirement asks how "the circuit you built operates". The schematic can be one you find or one you create.

What this is made of

4(c)(1). A control device
4(c)(2). A digital circuit
4(c)(3). An analog circuit

Where this step comes from

Electronics Merit Badge Requirements (Merit Badge Hub, last modified 2025-09-19), Requirement 4(c) · States "Choose ONE of the following THREE projects", with a schematic found or created and an explanation of how the circuit you built operates.

Notes and warnings

What this is made of

Where this step comes from