1. M

    Drone tilts before it takes off

    Hello, I'm having a problem with my DIY drone for a very long time. The problem is that the drone's motors work properly and evenly in the motor test, but whenever I try to operate it with the remote controller, the drone tilts and flips before it takes off. I'm pretty sure the motors and...
  2. S

    Ppm encoder problems?

    Hi there. I am assembling a quad with pixhawk 2.4.8 flight controller and flysky fs-ia6 receiver, fx-i6 transmitter. I have ser this up with a ppm encoder between receiver and rcin on the pixhawk. The problem is that I can't seem to get the transmitter to talk to the pixhawk (the ppm encoder...
  3. J

    Pixhawk IO Bricked

    Greetings I’m pretty new to the whole autopilot thing, and on a tight budget. I have been struggling for days to get my transmitter to get calibrated in Qgc ‘0 channels found error’ (Using a Frsky transmitter and receiver thru a Cuav 8 channel ppm encoder, this setup works 100% on a friend’s...
  4. Y

    Buying a drone for research

    Hey guys, sort-of-newb here. Do you guys know if there are any good substitutes for the drone kit QAV250? It's one of the drone kits that meet all of the requirements I need for a research I'm doing at my Uni and the complete kit is not available anywhere. With regards to why not just research...
  5. A

    Motor is not spinning

    I’m using Pixhawk cube, matek, and navio2 power module with sunnysky bldc motor, new xxd 30a esc. I use r12ds and at10 ii as RC system. 4s 1800mah lipo battery. I did everything as shown as manual. When I plug in my battery to the system. 2 led of matek is blinking red and motor beeping...
  6. G

    Need help desperately with pinpointing the reason (/reasons?) for crashing my Pixhawk Quadcopter hard from high altitude. (Log file included)

    Link to the log file I have tried asking around on Reddit, but could not get any help there at all! Hi everyone, I am flying a large Quadcopter with PixHawk (it is a Chinese clone) which I slowly built myself over the period of the past few months. I have been experiencing some crashes that...
  7. C

    FrSky X4RSB question

    Sorry for the noob question, but is there any reason that the FrSky X4RSB (using S-bus) can't be used on a larger quad (S500 frame)? I plan on using it with an X7 and Holybro Pixhawk 2.4.6, and it seems to have all the functions of its larger X6R sibling, less the size, weight and (for me)...
  8. BL Swagger

    How to choose a Pixhawk?

    I have been led to think that the Pixhawk is the direction I want to go for my 450mm+ builds. I have seen some mixed reviews on Pixhawks, but not sure which ones are trustworthy to buy. Can anyone give some insight on this flight controller? I see many different types & brands selling a...
  9. H

    Finally chosen my components, are these all compatible?

    Hi everyone, I have finally chosen my parts, however i am not sure if they are compatible with each other. Is it possible if someone can clarify if they are all ok? i am also not so sure on calculating flight time... can somebody help me with that? I also need some help with setting up my osd...
  10. Y


    Hey guys! I'd like to know if any of you have any opinions on open source drones on the market. I'd like to write scripts and codes for drones to complete tasks and objectives such as continuously patrolling an area and landing back at "home" without ever touching a controller. The Pix Hawk...
  11. SHLOMI

    pixhawk PPM problem

    HI I HAVE pixhawk & PPM V1 & RECIVER RX71E WHNE I PLUG IN ALL together I DONT GET 5V FROM THE PPM TO THE RECIVER. Can someone help me?
  12. JeremyMcG1

    First Post, First Build, First Questions - go easy on me.

    Greetings - Jeremy from Las Vegas checking in. I've been coerced into building a quadcopter. I am coming from this from a complete non-existent knowledge base regarding quadcopters, but I am a licensed pilot and know a little about flight dynamics and such - but I learn quickly and I tend to...
  13. C

    Pixhawk 3DR with 300 nighthawk frame ( love this quad !)