u/Alive_Tutor6054

Image 1 — How do I know if this circuit board is working?
Image 2 — How do I know if this circuit board is working?

How do I know if this circuit board is working?

I'm very new to this. I disassembled an old pedometer for fun, and I'm thinking I can use this for something else if it still works.

Do I need specific equipment for this?

u/Alive_Tutor6054 — 19 hours ago