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MinimOSD with APM 2 - Problem

Posted by FPVGenie on April 1, 2012 at 2:47am

Hello everyone,

I just set up my MinimOSD with the latest firmware 1.9 and char set and installed it on my airplane with APM 2 running the latest version of ArduPlane.

However on the screen, I get the video overlaid with "Waiting for MAVlink Hearbeats".

I tried resetting the board, and it reboots but again gets to the same thing.

My OSD board has the 2 solder blobs - i.e. I am powering the board with the 5V input from APM.

Let me know what might be the issue here - I tried everything I could think of - Resetting the APM board, intact even re-uploading the code etc etc...

Thanks

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Replies

  • alper September 18, 2012 at 4:24pm
    Weird i have apm1 without xbee. I update firmware 1.9 and charset. I am not test it with usb on. Change the parameters like you said. Make exact cable connections. Powering apm with 5a bec. Video feed powered with individual power pack through filter. Maybe 1000+ apm and minimosd reset. But no luck. I began to cry for buying this. Cause some other brand individual osds have better service and forum powers. İ think its best to not integrate everything with apm. Any help appriciated i only get mavling heartbeat warning.
  • Ovidiu Sopa May 29, 2012 at 4:58pm

    Same problem with "Waiting for MAVlink Hearbeat", It's been more than two hours since I try to make it work but on the screen I get the same error message. 

     

    3692430693?profile=original3692430771?profile=original

     

    I tried to modify the params SR3 as Sandro Benigno suggested , you can see bellow the modified list

    3692430548?profile=original

     Also tried to reverse TX with RX .. same thing :(

     

    Anyone can give me some advices ?

     

    thank you. 

     

  • FPVGenie April 1, 2012 at 5:49am

    Well, I connected MinimOSd for the first time. Never used Telemetry on this setup before.

    Yes I am connecting both the Tx and Rx on the MinimOSD-APM2  ( in addition to the +ve / -ve ) 

    I am connecting as described here : 

    http://code.google.com/p/arducam-osd/wiki/minimized

    No ground station or XBEE involved here. Simple MinimOSD-APM 2 connection .. 

    Aaah . One thought - Does the Tx marked on the above link go to the Rx marked on the APM board and vice versa ? 

    If that is the case, then i think it needs to be better documented.

  • Andrew Radford April 1, 2012 at 4:21am

    Did it used to work? Has the OSD tx line been connected, or does the APM talk to a ground station via an XBEE?

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