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Mission Planner does not connect to pixhawk: heart beat timeout

Posted by Jay Senthilvelan on March 30, 2017 at 5:03pm

Hello,

I am a high school junior and I am attempting to build an autonomous drone for my school project. I have little to no experience with drones, so I am only a beginner.

I am having problems connecting my pixhawk flight controller to Mission Planner on my PC. Whenever I connect, I get the "no heartbeat packet received" received error when mavlink attempts to connect to my pixhawk. 

Also, I had a successful connection to the pixhawk a few days back, and even today I can see the pixhawk detected under COM4 port, however, it refuses to connect. The pixhawk boots up fine and I am able to hear the successful boot up sound. I have tried restarting my computer, unplugging all peripherals, and trying multiple different USB ports/cables, but to no avail.

Any help/suggestions would be greatly appreciated!

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Replies

  • Jay Senthilvelan April 11, 2017 at 11:15am

    APM:Copter V3.4.6 Quad

  • Michael Burmeister April 11, 2017 at 10:55am

    Well that would indicate the board is working.  What version of ArduCopter did you load?

    Mike

  • Jay Senthilvelan April 11, 2017 at 9:56am

    Yes I have APM Copter loaded on the unit. MP can detect the firmware as well.

  • Michael Burmeister April 11, 2017 at 9:42am

    So, can you load firmware on the unit?  What have you loaded so far?  Without firmware running on the unit there will be no Mavlink heartbeats being sent and your computer will have nothing to talk too.

    If you are getting good sounds when it starts up then the firmware must be not installed correctly.

  • Jay Senthilvelan April 11, 2017 at 8:29am

    Yes, I have the driver installed. I recently even talked with 3dr's technical support with no avail. I have tried different USB ports, different computer, uninstalling/reinstalling the Mission Planner, connecting without GPS/all peripherals, and checking if the sd card was inserted properly.

    I think I am going to purchase a new pixhawk and return the one I have now as it seems like there may be a hardware defect or something.

  • Stephen Meadows April 11, 2017 at 7:01am

    Hi

    I assume you have the Pixhawk driver installed?

  • Jay Senthilvelan March 30, 2017 at 10:39pm

    I read this article and connected my multimeter to my I2C port and received a voltage of 4.82 V. This is larger than what they said was normal in the article (+-3.3V). So the voltage regulator could be fried, or maybe this article does not apply to my case because it is based off of the APM and not the pixhawk.

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