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Topic: sine wave generator (Read 4 times) previous topic - next topic

aphy

Hi. I just want to know if it is possible to output 25 kHz sine wave using arudino Duemilanove? I will use it to drive my ultrasonic sensor. Thanks! :D

AWOL

Does it really need a sine wave?
How clean does it need to be?
Do you have a spec for the transducers?
"Pete, it's a fool looks for logic in the chambers of the human heart." Ulysses Everett McGill.
Do not send technical questions via personal messaging - they will be ignored.

robtillaart

Rob Tillaart

Nederlandse sectie - http://arduino.cc/forum/index.php/board,77.0.html -
(Please do not PM for private consultancy)

aphy

I'm using Murata MA40E7r/s transducers. I'm really not sure if it will work on square waves, because i need the + and -

AWOL

Quote
I'm really not sure if it will work on square waves, because i need the + and -

Lots of designs use RS232 drivers for this purpose.
"Pete, it's a fool looks for logic in the chambers of the human heart." Ulysses Everett McGill.
Do not send technical questions via personal messaging - they will be ignored.

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