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Unread 10-03-2015, 08:56
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Re: Maximum current draw through DIO port

Quote:
Originally Posted by rich2202 View Post
According to Vex, the minimium is 4mA, and is current limited to 40mA.
This does not mean one should draw anything close to 40mA from the DIO. The chip used might go into current limit mode to save itself from a potential short circuit but the chip manufacturer will never guarantee "proper operation" under these conditions, i.e. the output voltage is unknown.