Wow, I am surprise to have so many posts already, I have never posted anything here before. Ok, so since we have taken a turn on the EM’s. Theoretically how many can I power with the ardiuno?
I believe I saw the board is capable of 20 mA. What kind of Mosfet to use that will give me a beefier current?
Can EM’s pull things? as in will it even be able to pull a metal ball bear or “spherical stir bar” from one magnet to another? On my very small scale testing with a D cell battery I was able to pick up items, but it would not actually draw or pull the item to the core.
I really hope I am getting the terminology right here, please bear with me if I am not stating something correctly.