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Just a word of caution for those getting into this hobby. Most of the challenges I have faced are because of improperly placed wires in wiring harnesses. Most of these products were from E-bay or discount Chinese Hobby stores like Hobby King. My first issue was a Video Tx/Rx from Hobby King...

I'm throwing in the towel on this one. I tested my remaining regulator off the board, and it measured 1.99v(should be 3.3v) so that makes no sense. I checked the voltage on the pads of the board without the regulator installed, and I think this burned something else up. Now it wont work at all...

I called Digi-Key, excellent customer service. I am going to check my remaining regulator off the board to see what the voltage is. Im hoping they just sent the wrong one. The markings on the case of the regulator are slightly different that the original one.

Good point. I checked the data sheet for the regulator and there are 3 versions for fixed voltage. 1.8v, 3.3v, and 4.7v. Maybe They just sent me the wrong one.

Now I'm frustrated. I got 4 new 3.3v regulators from Digi-Key today. Soldered one on and checked the voltage. 4.4v?, Tried a second one, 4.4v? Tried a 3rd one 4.4v??. I then checked the voltage without the regulator installed 4.8v. I tried running Mission planner with the 4.4v and the "Bad Gyro...

I agree. According to 3DR, They claim that the ones that have been replaced have not failed twice. I looks like they really cranked up the SPI clock speed with the new firmware. If you look at the regulator on the 2.5 board compared to the 2.5.2 board, the newer board has a much bigger...

I got the dreaded "Bad Gyro Health" message with my Hobby Works HK v2.5. My first mistake was buying the HobbyKing board. These things are junk. Terrible solder joints, bad lamination....junk. I should have spent the extra couple of bucks and got the board from 3DR. I haven't even flown the...

I am upgrading my KK2.0 board to an APM(HK 2.5) board. I bought one of those inline 5v power modules, but the 6 pin connector is slightly different. Does anyone know where I can get the correct 6 pin cable with connector? I may have to splice, but that is ok.

I had about $250 in this rig, but I already had the radio gear, camera and the mount.

Axis Pitch Yaw PG 35 35 35 PL 150 150 100 IG 0 0 0 IL 20 20 10 Just a note, I am running on 4S. I tried 3S with these settings and it was terrible. Also, It would not fly with...

<a href="http://www.youtube.com/watch?v=UQAGVeWRsec" target="_blank"> http://www.youtube.com/watch?v=UQAGVeWRsec DJI F550 frame Mystery 930kv motors Turnigy 30A Plush ESC's with BLHeli v10.4 firmware flash KK2.0 flight control with v1.6 firmware 9045 props(ebay) Turnigy 4s 3000mah battery...

After hours of tuning this week, I had my DJI F550 flying really great. Unfortunately, my old DX7 transmitter battery gave up in mid flight. I knew the battery was getting weak, and would leave it plugged in between flights. 100% my fault. I smashed the rig pretty hard, and broke one arm into 3...

Thank you Leadpusher. I fired up my Hex tonight and found that the board still has the 1.2 firmware. I guess I just assumed since I just got it, it had the latest firmware. I am going to update it, then try some new settings. Any tips on reprogramming the board? I am going to watch a few youtube...

Thank you for the setup. I will give it a shot. What kind of motors/esc are you using? I currently have the 1.5 version of the kk2. Did you notice any differences with the 1.6?

I am also trying to set up my F550 with kk2. The factory setting did not work at all. It just shook and wondered all over the place. I adjusted all of the Igain settings to 0 and the pgain settings to 20. I am not using self leveling. The craft now hovers like a champ, but has very slow stick...

I just built my first Hex, DJIf550 frame. I used cheap basic stuff, 930kv Mystery motors, 30A Plush ESC, 11.1 30c, 10X4.5 props, and kk2 board. I am using a DX7 and ar6100 micro reciever. I could not get this thing to fly until I turned the Pgain settings all the way down to 20 (Igain settings...

I am building a Dji F550. I purchased some cheapo motors, Mystery 2212-15 930KV Outrunner Brushless Motor This is the shaft specs, Motor Dimensions: Φ27.5 x 30mm Shaft Diameter: Φ3.17mm Any suggestion on what prop to use? I purchased some DJI props for the DJI 2212 motors, but the hole is...

Amazing.

Greetings from Baltimore, MD. Hello my name is Dave, I am 40 years old and I love picking crabs and drinking beer..... I have been an R/C enthusiast since I was about 13 years old. A few years ago I learned to fly a helicopter, and built a T-Rex 450 with a camera mount. I had some success with...