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Unread 31-01-2011, 18:47
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Re: MaxSonar Ultrasonic Pole/Tower Sensing & Detection Application Note!

Quote:
Originally Posted by calica View Post
You need to set it as a output to send the initial pulse. Then as an input to let the pulse "loop back around" from the last MaxSonar.

I was a little worried about Java not GC'ing the DigitalOutput object fast enough. But it looks like using DigitalModule.*DIO() should allow the control needed.
Besides the programing language time, the NI 9403 can have up to an 18 us delay in switching directions.
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