Discussions

New APM2.6. Is one output fried?

Posted by Jon von Weymarn on September 21, 2013 at 1:48am

Hi all!

I updated from APM1 to APM2.6 and Output5 seems fried or something on my brand new board. I want to use the output for a camera gimbal and any servo I connect to this pin buzzes like crazy. All other outputs work as expected. I also tried different servos but the same behavior repeats.

Changes in Mission Planner don´t affect the results.

Here is a video of the behavior:
https://www.youtube.com/watch?v=Le3C_2NK07c

These are my MP settings:

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Replies

John mallett February 23, 2014 at 3:52am

I bet you plugged the USB into the board with the rx inputs powered with 5v. Death came quickly as the current would take out a track. On mine it also took out a track to the 3.3v for the mp6000!

John
- Jon von Weymarn > John mallett February 23, 2014 at 4:28am
  
  Hi John,
  Sounds like a good theory as I remember at least once plugging in USB with RX connected. Anyhow, it works well on another output.
T3

Richard Boyhan September 21, 2013 at 5:36am

I normally see people using pins 10 and 11 on the side rail for gimbal controls. Be careful powering your servos from the APM. You can cause a brownout. Best practice is to power servos with the seperate BEC. Also make sure to keep a common ground all the way round.