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Unread 09-03-2015, 15:31
rich2202 rich2202 is offline
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Re: Maximum current draw through DIO port

Quote:
Originally Posted by jbernardis View Post
It's hard to believe that a spike draws that much less than a single LED, but there is enough doubt in my mind that I think it's best to just use a spike. I can size my resistor for 12 volts instead of 5 (or 3.3).
According to Vex, the minimium is 4mA, and is current limited to 40mA.

BTW: I think the spike can switch 5v, so you don't have to switch 12v and step it down as much.

Last edited by rich2202 : 09-03-2015 at 15:33.