Discussions

Sonar minimum distance ?

Posted by Hugues on December 28, 2012 at 10:49am

Hello,

I have installed the sonar XLL-EZ0 on the quadcopter (3DR). Then I launch a sonar test though the CLI in the mission planner software. The arducopter is connected via USB only (no battery).

The minimum reading with the sonar command is 20 cm. Is this a limit set in the software/firmware or is this a bug ? (Normally the sonar starts measuring at 1 mm according to the product's datasheet).

Thx for advice,

Hugues

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Replies

Mitch January 9, 2013 at 12:34pm

Thats not a bug. Anything less than 20cm gets reported from the hardware to the APM as 20cm exactly. Its a set limit in the sonar hardware.

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