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That's the FW I am using. I will take a look at the schematic

Thanks for the help, this has definitely been a challenge and I'm not sure what I'm doing wrong with respect to the IMU sensor leveling to the 'y' plane instead of horizontal on the 'x' plane. I'm using the latest firmware version from SF and even went so far as to modify one of the offset vars...

I just bought a cheap Martinez gimbal controller to pair with the Klinkeraerospace brushless gimbal. I am having a terrible time tuning this thing and have done everything I can think of with no luck. The main issue I'm having is that the IMU sensor keeps leveling 90 degrees to the horizon and...

This will be my plan as well, although it would be good to find out what type of rf interference was causing it and ways to mitigate risk.

Spflyer, I think you are right. Initially we thought it was a power issue and tried fiddling with the wiring harness and seeing if we could reproduce; we couldn't and that leads me to believe that you are correct is the fact that when this occurred there was not 'reboot' of the flight...

My son and I built a quad over the winter with a kk2.1 board and have had a lot of fun, but we are interested in some of the GPS capabilities and return to home functions that the multiwi pro w/GPS has. Are there a any good setup/programming guide published that we could look at? We are...

My ESCs do a series of 3 beeps at different pitches and then one at the standard pitch to indicate power is connected. I did not hear this or a "warning" beeping either. Yeah, in hindsight, I should have landed when I noticed that stall, but curiosity got the best of me. Nobody, including the...

Hello all. I fly a quad X4 with a KK2.1, no GPS, and Turnigy 30a ESCs. So, today I was flying it around (Autolevel WAS on, battery was 100% charged), and all of the sudden, the motors go dead silent. It was only for about 1/3 of a second, but was scary nonetheless. It dropped about 2 feet, and...

Ok, sorry if this has been discussed before, but I'm not having too much luck searching for it. The question may seem ridiculous to many of you, but I'm very new to the game so here goes. My son and I built up a x650f frame with KK2.1 controller and basic 200mw fpv setup and have been flying it...

Hi Scott, I'm an ex-western mass'r (now in central NH), but I know that area well, my mother used to live in Ware and I grew up in the Northampton area. Hopefully the weather is 'on the mend' so to speak, and outdoor flying might not be such a challenge anymore. -matt

Ha, the first time it happened I thought the same thing "Oh Sh**, I've completely ruined it!". After inspecting it though, it was a relief to find that it just popped off the rails. It's been while since I weighed it, but I believe that I came in at 1370g without a camera. I'm surprised at the...

Scott, I have the same frame and was planning on installing some struts for the same reasons, but never got around to it. Now that we have flown and crashed it hard on several occasions, I've found that keeping those legs free has mitigated a lot of the damage from our crashes if it had been...

The reason I'd tie the FPV battery into the gimbal is because I want to have a low voltage monitor on my main battery (using the balance plug) and based on what I've seen, the FPV battery load is sooo much smaller than the main battery that most people are able to power their FPV battery 3-4...

Ah, ok... It was hard to get a sense of scale with the picture even though your thumb was right there. I thought the plug was bigger and it never occurred to me that it would be a balance plug. That could actually work out well for me though; my son and I put together a bare bones 900mHz FPV...

Nice. Something to play with. So a few questions though: 1. What is the cover over the goPro for? 2. I assume the white plug by your thumb is power; what type of connector is that? 3. What voltage?

Cool, I've been looking at the brushless gimbals and $75 is a good price based on my research. The brushless setup is something I want to do but for now I'm experimenting with my own homebrew servo based gimbal that uses the gyros on the KK2.1 board. I only have one servo now (the snow delayed...

I might look to other issues before shelling out mite money on a tx. It sounds like you already got the tx working at some level with the throttle (even though it was reversed). I would think all the tx output to the receiver would be the same. Maybe I'm misunderstanding the issue though...

I had an i86 board when I started my build that I accidentally ruined when I dropped a screwdriver on it. The manual was tough to follow because I'm new to this hobby and the translation is not great. I ended up piecing together the right way to set it up from a number of sources. The...

I bought some velcro tape (the back side is sticky) and stuck it to my battery and another to a corresponding spot on the frame (I don't have a photo). I still use the velcro strap to keep it fastened to the frame but the additional velcro keeps it from moving around. I think Scott (aka...

I'm a total noob at this hobby so forgive my ignorance, but it seems like a lot of companies in the U.S. are selling the same stuff that HobbyKing and other Chinese discounters are selling but rebranded (Aren't most circuit boards printed in China anyway). The difference is price and ship...