Discussions

Cheap Sonar - Adding Support

Posted by Brandon Clifford on December 7, 2014 at 7:31pm

Hi,

I wanted to add sonar to my arducopter / arduplane and I am wondering what is the limitation in which why can't use the HC-SR04, its a cheap sonar that costs <$5.

Is this a software limitation or a hardware?

I would just love to know! Please enlighten me

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Replies

Stephen Dade December 7, 2014 at 11:28pm

No limitation to using it. But you'll have to figure out the correct pins and calibration.

More details at http://copter.ardupilot.com/wiki/common-rangefinder-maxbotix-analog/

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