QTI Line Follower subroutine question
I have a simple question about the Check_QTI subroutine:
DIRB=%1111
Why would you make the 4 pins outputs for 230us before making them inputs? Why not just leave them as inputs and read them when you want?
Also, what does QTI stand for?
Thanks.
Nick D
DIRB=%1111
Why would you make the 4 pins outputs for 230us before making them inputs? Why not just leave them as inputs and read them when you want?
Also, what does QTI stand for?
Thanks.
Nick D
Comments
Dave
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Dave Andreae
Parallax Tech Support·