Problems, Hints, experience, comments on the new PIXHAWK

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Latest Activity: Jan 16

Discussion Forum

px4 and camera trigger

Started by Sascha Helle Dec 9, 2016. 0 Replies

hi folks, need some help pls, i am totally frustrated, because i am not able to get the trigger function from px4 envirement :original 3dr px 4 - current firmware camera sony nex 7shutter…Continue

Read Serial 4/5 from Pixhawk in Mission Planner

Started by Esteban Caligaris. Last reply by Adam Day Nov 28, 2016. 1 Reply

Hello everybody,I'm attempting to use the Serial 4/5 Port of Pixhawk to connect to it a device that outputs NMEA sentences, but is not a GPS, is a Garmin Sonar.I want to know if there is a way to…Continue

back up power

Started by Marco C. Last reply by Bill Bonney Nov 27, 2016. 1 Reply

Hello everybody,I was wondering if it is possible to configure servo rail for back up power, I have read this sentence on this wiki …Continue

VTOL birdseye view firefly 6y frimware pixhawk

Started by babak. Last reply by babak Nov 27, 2016. 12 Replies

hii guyshii, I have a Pixhawk flight and I have imported the birdseye view firefly 6y airframe with Qground control but its transition mode do not work at all, I did as the pixhawk guide issued but…Continue

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Comment by James Miller on January 11, 2017 at 7:47pm

Bernardo, I switched cables, not the problem. The power is from my big tower, and is main-board power-it's fine too.

When it works there's a lot of light activity that I don't understand. I hate not understanding. I need to educate myself. Can someone point me to a manual that explains such things?I've looked, and the PX4 manual does not speak about pixhawk-specific things.

Comment by Bernardo on January 11, 2017 at 11:36am

@ James Miller: Perhaps the power of the USB is too low. Try connect the Pixhawk with a short cable direct to an USB plug (?) or try a different cable

Comment by James Miller on January 11, 2017 at 3:33am

If I plug in a battery to the (connected) power monitor the pixhawk will light up one time out of 3. If I plug in the USB port to my PC, to a full-service port using the cable that came with it, my pixhawk does not light at all-- just a faint flicker from the power lights, and then a tiny tick-tick-tick-tick noise, just audible, from the FC.
If I keep trying and finally get it to light off with battery, I am able to load Qgroundcontrol, but not flash firmware. It says to unplug battery.
Anyone had this problem before? It's been in my drawer for 6 months, so HK sure aint gonna want to see it back!
Comment by SKYBORNE on January 10, 2017 at 6:59am
Comment by Rodney Johnson on December 29, 2016 at 11:14am
Good luck on that one.
Comment by paladin66 on December 29, 2016 at 11:11am


I have a Pixhawk PX4 Flight Controller and I want to use it with the PHANTOM 3 PRO  4K Camera Can you help me to connect this camera to my pixhawk and get it worked.

Best regards

Comment by Esteban Caligaris on September 15, 2016 at 6:12am

@C K:

You should try uploading the firmware again and see if, maybe, your vehicle is DISARMED when the blue lights are blinking.

For further understanding of your problem you could attach your DATA LOGS and someone could take a look into it.


Comment by C K on September 14, 2016 at 3:11pm

@Chris: Blue light at Pixhawk means it is not locked to satellites but blue light at GPS means it is locked to satellites.

@Esteban: Yes I checked the light's meanings before. Unfortunately the issue is not that apperant to solve.

I started to think that there is a hardware issue. I made tens of different trials and couldn't solve the problem.

Comment by Esteban Caligaris on September 14, 2016 at 12:58pm
Comment by Chris Hardwick on September 14, 2016 at 9:41am

C K,

My understanding is that the blue LED does not indicate a GPS 3D fix. Only a green LED indicates a 3D fix. I get a blue LED when I am using flight modes that don't require GPS. Sometimes the LED will change to green anyway when a GPS 3D fix is achieved.


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