Im new to this kind of thing - im trying to make a pulsating light circuit that would sit inside a 3d printed item.
My plan is to take this item -
https://www.aliexpress.com/item/1005006980654726.html?spm=a2g0o.productlist.0.0.499f4a07DBYhWT&mp=1
and then wire a 9v battery into it, and wire...