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  1. GJH105775

    Berkeley Drone Research Survey

    The other option to say that you had not bought from any of the listed companies did not work properly.
  2. GJH105775

    suitcase deltarotor launches for production and sales.

    Hahaha, sounds like everything went pretty well.
  3. GJH105775

    Basic transmitter and receiver on a budget?

    If you want a band-aid a this is very basic, cheap, full range system but I suggest it only if you are using a FC like the KK2.1.5. I have one and it has all of the features I need to have on the TX (reversing channels, but even that could be done on the KK).
  4. GJH105775

    First Build - FPV Quad 250 Class - Items List

    Honestly 25 degrees vs 32 degrees FOV is all up to the user's opinion, the 25 may make OSD look neater, but if you get used to one the other will feel weird. I would suggest you really stay away from a head tracker this early on as learning to fly may be hard enough without the quad's tilt...
  5. GJH105775

    PID tuning, too slow to stabilize and overshooting

    The only thing controlling altitude at this stage should be throttle. Quadcopters (unlike planes and helicopters) are inherently unstable. Even if the motors are spinning the exact speed and creating the exact thrust the quad will flip and hit the ground. This is because it is about as...
  6. GJH105775

    Problem with JJRC H11D...HELP!!!

    Hahaha, that is not how i would have chosen to solve the problem xD.
  7. GJH105775

    262's 4copter Adventure

    Might want to keep from bending wires at such angles, maybe a little slack up top. Otherwise looks great hahaha.
  8. GJH105775

    PID tuning, too slow to stabilize and overshooting

    Text was white, changed font color to black to allow people to read. Many people have had similar problems, but none exactly the same as yours that I know of. First off what algorithm are you using to stabilize? Also how are you outputting PWM to the ESCs from the Pi? Serial...
  9. GJH105775

    First Build - FPV Quad 250 Class - Items List

    Hey, welcome to the forum. You have two receivers, either will work, get the one that supports PPM (also called CPPM). I would suggest you get 15a (or these if you think you might go with 4S at some point) ESCs, because your motors draw approximately 12 amps max, and the ESCs will last longer...
  10. GJH105775

    First FPV Setup

    I'd get a bigger battery than that. Minimum of 1500mAh, as you don't want to over discharge them, and for a couple bucks more you might as well get something you can use in a build.
  11. GJH105775

    Motor Vibration Problems!!

    exactly is preferred, but with a prop adapter to make the two steps of the hole the same diameter you could use something smaller just to get a rough idea how out of balance you are. There is a a pretty good method which involves a rod and a couple cups. You set the rod across the two cup...
  12. GJH105775

    First FPV Setup

    That'd last plenty of time and be useful for a quad. I suggest you get one with an XT60, or some other more used connector.
  13. GJH105775

    When to replace motors - one at a time as they die or all at once?

    It really depends what you are using, I have had a little quads where one motor last as long as 5 of it's neighbors 2 inches from it. If you are flying a small quad that is not going to be damaged by a small fall then I'd replace them as they go, but if you have a bit bigger one that might be...
  14. GJH105775

    Good Drone books?

    Good question, @Quadcopter102 and I are working on one now based off an incomplete guide I did. I have been modifying it a bit here and there, but need a bit of time off or a break in finals and exams before I can get some good time to spend the few hours it needs hahaha.
  15. GJH105775

    FS - QAV250 3D Printed GoPro Session Mount

    Well to be fair, GoPro is certainly big enough to recover from that. As new things come out and businesses shift a tide can change. Also where did that question come from? hahaha
  16. GJH105775

    FS - QAV250 3D Printed GoPro Session Mount

    Looks nice haha, I don't know many people on here that have a GoPro Session yet haha.
  17. GJH105775

    first build pitch and roll are swapped

    How to Connect Naze32 flight controller to a Receiver to use PWM Mode There are quite a few SBUS to PWM converters, here is one. You could also get a frysky compatible Rx that uses PWM.
  18. GJH105775

    Unexpected Newbie

    I believe that DJI has some of their equipment using WiFi, but unless you are boosting the signal or changing the transmitter and antennas WiFi has terrible range and you loose the signal all at once. One benefit is that RFI won't cause snow in your signal because of the check sums.
  19. GJH105775

    first build pitch and roll are swapped

    If you have a KK with stevis I am pretty sure you can change the channels with the channel map tool.
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