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when toggle format what by license comment
Sep 1, 2015 at 12:17 comment added user1285419 thanks a lot. So by 2, do you mean I am building something with op-amp so I can have high impedance also, which will protect my card while it can provide some current controlled by voltage, which is output from the card?
Sep 1, 2015 at 7:08 history answered kabZX CC BY-SA 3.0