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APM 2.5 no USB after ESC calibration

Posted by Yannick on October 17, 2012 at 4:15am

Hello all!


I'm new to DIY Drones and Ardupilot.

After calibrating the escs with the automatic mode, its impossible to connect the ardupilot to my computer. There is no COM device in the devicemanager anymore.


I've tried different USB cables and another computer. Don't know what to do. Calibration is repeatable but arming does not work. The red led is flashing.

Thanks for your help,

Yannick from Germany

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Replies

  • Yannick October 17, 2012 at 5:59am

    Thanks for your reply!

    First just the red "Alive" led is on. After ~20 secs the red (A) and blue (c) leds start flashing very fast for round about 2 secs. Then just the red (A) flashes much slower.

  • Developer
    Jani Hirvinen October 17, 2012 at 5:00am

    How are all other LEDs on board? Or is it only Red LED that flashes? 

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