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RFD PPM radio use

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@MartyMcFly wrote:

Hi im just setting up my RFD,ive got the 868xTX Mod on my Horus and the *^*x on my quad,am I right in thinking that all I need to do to get the ppm radio working,eg cable from pin 15 to rc in on cube,and I presume tick the rc in and out on the gui many thanks

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HELP with Sik Radio PPM pass through with Spektrum Radio

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@Grant_Becker wrote:

I recently obtained two RFD 900x telemetry radios and i have used them with no issue for a few weeks with only telemetry. I got them mostly for the PPM pass through feature but i am having a lot of trouble setting the PPM pass through up. I would like to use the telemetry and PPM simultaneously. I am using a pix hawk PX4 2.4.8 with a Spektrum dsmx satellite receiver and a Spektrum dxe radio(I also have access to a Spektrum dx8 if that makes a difference?) From my understanding the dxe has a 3.3v ppm out on the back. I have connected this to the 15 pin of the radio and a ground on the 16 pin. On the copter i have connected the 15 and 16 pin to the Rcin on the pix hawk. When i have the satellite receiver connected with this setup I still have response but when I disconnected it i have no response/RC signal. To me this means it is not working correctly, is this true? My question is do spektrum radios support this function and does the satellite receiver work with this function. Also is the wiring setup correct for what i’m trying to do?. Please help! Thanks

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What dose the new orange cube buy us? Dose it stream mavlink mesages faster?

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@Brian_Duvall wrote:

Hello all,
I currently running an original 3dr pixhawk with arduplane. when I read mavlink messages off the telem 2 ports and set the stream rate to 50 Hz the most I can get out is 5Hz. I am wondering if the cube orange with the faster processor would make any difference?

What I do not understand is if I use a original 3dr pixhawk and PX4 I get 50 Hz of mavlink mesages no problem.

I am useing the code in the link below to read messages with the rate set to 50.


Thanks

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Graupner HOTT telemetry doesn't work at all

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@fs007 wrote:

the wiki says that HOTT telemetry should work in copter “later than 4.0”.
Honestly, i can’t find any code in copter 4.0.3 that would implement HOTT telemetry.

4.0.4dev seems to have such code, but it doesn’t work at all:

I connected my RX (a Gr-16) as shown in the wiki and set the 3 parameters accordingly, but no telemetry data is available on the TX (an MX-20 in my case)

btw the drawing in the wiki is not correct: the telemetry line of the GR-16 is next to the edge of its housing, not the gnd line…

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Dshot ESC's with Pixhawk 2.4.8

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@Guard wrote:

Hi guys - Having quite a bit of trouble using Dshot ESC’s with Mission Planner with a Pixhawk 2.4.8 board, and looking for someone who may have encountered this issue before/ has a fix.

ESC Link: https://www.racedayquads.com/products/emax-bullet-35a-pro-edition-3-6s-esc?variant=757717336075&currency=USD&gclid=Cj0KCQiAtOjyBRC0ARIsAIpJyGOoFBXW_Y0a2wY6hTXXs7D4bvp03P2bDF_Y3v4W3I1kiCk5eXX0Uq8aAtdDEALw_wcB

This is for a new quad build I just put together - I’ve gone ahead and set the Servo9-12 outputs to act as motors 1-4, and set the Mot_PWM value to 4 for Dshot 150 (Have also tried Dshot 600). Basically, If I refresh the Pixhawk board to default settings (i.e. flash plane software and reflash with quad 4.0.3), and then set the servo/ Mod PWM values as stated above, for the very first initialization I can get the motors to behave as expected when arming the quad. However, after I unplug and plug back in, Nothing I do from that point on seems to actually engage the motors after successfully arming the quad, there is no throttle response.

Any help on this issue would be greatly appreciated!

Thanks-

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Help with Kakute F7 and Arducopter 4 build questions - runcam and arm switch

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@GuernseyCow wrote:

Hello, I have successfully built 2 quadcopters, one with a Pixhawk 1 and Arducopter, and a racer drone using Kakute F7 and betaflight.

I am attempting another build using the Kakute F7 and Arducopter 4.0 on a 550mm frame. I have finished the wiring and flashed Arducopter to it successfully. I have 2 questions:

  1. Swift Runcam 2: My VTX is working correctly and I can see the OSD data from the FC on my video receiver, but I do not see the feed from the camera. Do I have to do something to enable the camera?

On the racer drone with betaflight the camera just works out of the box. I have looked at the Arducopter camera documentation but I’m still struggling - it wasn’t very clear to me. What does it exactly mean when it refers to “shuttering”??

  1. Arming: Do I need an arming switch? I would prefer to arm the copter using one of my channel inputs after all the prereq for successful arming is complete.

Thank you!

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ADS-B receiver parameter not showing in MP

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@wcfung1 wrote:

ADSB_ENABLE param is not found in my MP. See attached.Quad450.param (14.1 KB)

I intend to install an ADS-B receiver to Pixhawk, but have not bought one yet.

Do I have to connect it to Pixhawk before ADSB and all related param show up ?

Appreciate your help.

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Pixracer R15 Decoupling Capacitor

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@User_4 wrote:

While using a Pixracer R15, I accidentally powered the board with 6V instead of 5V.
This caused a small SMD component near the servo power rails to fry; I suspect it is a power rail decoupling capacitor because both logic and power circuitry still work.

Can anybody direct me to a relevant schematic/PCB design file for the Pixracer R15 so I can find the value of this component and replace it?

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BEC to Pixhawk 2.4.8 rail question

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@Phil_H wrote:

Hi,
I have a pixhawk 2.4.8 and would like to use the Cascade WP 2.0 to power the rail. I have seen the documentation but I have a question. The SBEC has two output wires one with the 3 wires and the other with power and ground. I am using the Pixhawk for an ardurover project. I would like to control throttle, steering, switch and differential servos from the pixhawk via a companion computer (no RF receiver). Do I connect both of them to 2 Aux pin or only one of them? Do I need the zener diode? The ESC is a Cascade esc.

thanks
P.

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Arduplane 2.68 on APM 2.5 motor spins when safe

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@Jose1 wrote:

Hello,

I am using an old version of ardu plane (2.68) on and old APM 2.5 board. For some reason when SAFE, if i switch to FBWA the motor will spin up.
It will only spin up a fraction, not enough to move the aircraft. If i apply throttle input there is no change.

I put the latest version the board can handle on, as its retired, and this issue is resloved and does not happen.

I am just curious as the why this would be happening on the old version?
I know the fix is to update firmware but Im interested in why this is ocurring.

Any info would be great.

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ZED-F9P with Pixhawk 1 possible?

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@KadaverJoe wrote:

Hi,
I use a ublox ZED-F9P on my Pixhawk 4 and it works perfect with the current AP firmware.
Now I tried to use the F9P also on my Pixhawk 1 . I installed different ChibiOS firmwares on it (AC 3.6 and recent version, AP recent version) but none of them seem to recognize the F9P.
The Pixhawk settings should be correct (Serial 4 baud on 115 and Serial 4 protocol on 5. GPS Type 2 is set to auto.

@WickedShell: is it possible that the F9P is not supported by the old Pixhawk 1?

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Connecting telemetry to the Mission Planner

Arduplane firmware version 4.0.3 buggy

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@mahnoor.ayaz wrote:

i recently installed Arduplane firmare 4.0.3 on pixhawk 2.0 using Mission planner 1.3.70.
I set the parameters for auto mode but as soon as i switch my Vtail plane to auto mode, the nose gear shifts to 300pwm. It yaws while taking off and even flipped over once due to this.

Can this be due to buggy arduplane firmware version? Because i’ve rechecked the parameters several times and there seems to be no issue.

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PPM to Joystick

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@charles_linquist wrote:

Has anyone created a PPM -> Joystick module so that a regular PPM signal could be used as a joystick for control in Mission Planner?

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GPS v.s. RTK (HERE+RTK)

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@John_Easton wrote:

Being a complete newbie with the whole RTK thing, after only a week of spending every possible free minute I have wrapping my mind around getting it to work first of all, and then doing some actual tests, I have come to this early conclusion.

Hardware -
Pixhawk2.1 Black Cube HERE+ RTK Rover 4.0

Setup -
I have managed to get a fixed base accuracy of 0.5m which took nearly two hours to achieve.

Rover -
The rover is taken from my hydrone AIMy and physically moved to set locations around my property with a clear view to the sky.

Results - HERE+RTK (0.5m)
a - At the moment the rover arrives at the WPT the accuracy to actual WPT is between 3.8 and 4.2m
b - After a while the location settles and pretty constant 1.3 to 1.8m accuracy is achieved

Results - HERE+ NO RTK (GPS only)
a - Initial WPT arrival accuracy is between 7.5m to 8.9m
b - After some time to settle the WPT location accuracy drops to around 5m

Conclusion (at this early stage of my journey)
a - The RTK certainly is more accurate
b - Considering that it is a rover and the craft cannot sit around waiting for the correction data to ‘settle’, the initial WPT arrival accuracy has to be taken so we are looking at around 4m for RTK and 9m for GPS only.
c - I find this extremely disappointing as the correction accuracy I was hoping for was the 0.5m immediately as the craft reaches waypoint after waypoint.

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Question about Flight Controller PLacement

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@smartdave wrote:

Working on my new Tarot 810 frame and I am struggling with the FC placement.

If I use the plates for mounting the FC, it is off center by a bit.

Would this be ok? Or should I build a CF bridge to keep the Flight Controller directly in the middle.

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Log paramenter lists

Last Parameters Modification Record, does it exist?

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@GiovaneM wrote:

Hello everybody, Is there a way to know when was the last firmware parameters modification?

In simple words, I want to know if mission planner has a place that I can check when any parameters was modified on arducopter firmware. If I change anything today, this place should show me the date of today.

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Drone taking off side way not straight up

Pixhawk Troubled

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@Ahmad_Jalal wrote:

what’s wrong with what is in the video?
I use Pixhawk 2.4.8 and setup, and connect the hardware as usual, insert the firmware, calibrate the acc, compass, radio etc. and run as usual … but when I want to float, what happens instead is like in the video …
Please explain … your explanation is very helpful …
Thanks. :slightly_smiling_face:
Uploading: VID_20200302_073344.zip…

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