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S.Bus and D.Bus are essentially identical in this case and are both CanBus which is an automative manufacturer's version of Modbus a time based communication protocol. Futaba has a strong industrial presence with their radio controlled overhead crane controls so they know all about CanBus. Your...

IOC can be very confusing until you fully understand it. Also one of the modes will stop functioning when your MC gets within 10 meters of its original launch point. Remember that in Home lock, pulling back on the right stick brings the MC back home. Course lock means that the typical front of...

Oops.... some mistakes in my previous post. If I understand IMUs correctly there are: for each of the 3 axes, i.e., x,y,z coordinates. The most critical are.... 3 magnetometers, 3 accelerometers, 3 gyros for a total of...... 9 degrees of freedom. Some advertise 12 degrees of freedom now but I...

In a system that has 9 degrees of freedom, such as the typical IMU used for these devices the components will be: 3 degrees of freedom for the Magnetometer 3 degrees of freedom for the GPS position 3 degrees of freedom representing the Altimeter (guessing here) Above are all based on a single...

If I understand it correctly, the 9DOF IMU inside of the MC must be at absolute Center of Gravity on all 3 planes. Even when the batteries and/or payloads are stacked at dead center horizontally, any change in the weights will require an adjustment to the "z" or vertical parameter. The NAZA...

Roger, Thanks..... excellent information. I also have the XT-468 and am waiting for the GoPro Hero3 Black edition as well as my WKM version 3 c/w iOSD from UAVProducts to arrive very soon. I have not purchased items yet from Bradatech but bought several items including XT-468 etc. from...

Anyone familiar with this relatively new item from DJI? I am considering it if it is fit-for-purpose for my needs. One possible supplier: http://www.empirerc.com/dji-5-8ghz-video-downlink-transmitter-receiver-p-6744.html Any others selling this item in North America?

Looking for direction here on Aerial photo/video and FPV...... just getting started. Would the following be the appropriate cable to purchase for the GoPro 3 Black edition to be used with a 900Mhz video downlink system c/w Naza iOSD...

There is some high end Armed Forces Multicopters that have been using tablets c/w an additional GPS ground station to increase GPS accuracy for some time now but with proprietary systems. IMHO - It will happen with WooKong M first but not for a while yet. Tablets for Naza etc. much later after that.

One possibility......Don't forget that the motors draw 1.5 times their normal running current at start-up. If your ESCs are not rated for 1.5 times your motor running current OR HIGHER, you won't have enough current getting thru all escs to meet motor startup current demand...... such that some...

Did you check the connection between your receiver and the Naza. The leads may be reversed or check the "monitor" window on your tx and check that the movement of your elevator, rudder and aileron sticks are correct. You may haveto reverse a couple in order to get the DJI assistant to let you do...

Apparently you have to wrap the GoPro in aluminum or copper foil according to something I read somewhere on the internet. The GoPro's are notorious for generating rfi and/or allowing rfi in to the camera from outside sources.

I would like to upgrade the motors on my F550 from DJI stock 2212/920kV to higher thrust motors to take advantage of 10 and 11 inch props and lift heavier payloads. I already have 6 motor extensionplates which add 61 mm length to each of the six arms and these will accomodate motor mounting hole...

The F550 RTF comes with 30A ESCs yet the FAQ section on DJI indicates these motors are limited to 12 amps running current. Are the 30A capable of handling higher wattage motors or are the 30 amp ESCs provided to account for motor starting inrush currents which, I assume can be as much as 200 to...

I have used up the 8 channels required by Naza including the two gimbal channels...using S.bus. But my Futaba transmitter has 12 channel capability and I would like to use more channels for some accessories. Configured FASST MULT2. Should I assume the existing R6208SB receiver 8 output channel...

Impedance testing is done as follow but shows it for the WKM versus Naza in this video. http://www.youtube.com/watch?v=fnfu-R58ERo&feature=plcp

IMHO There are several possibilities.... a)The jack's molded plastic prevents full insertion of the jack to make reliable contact inside the GoPro camera plug (shave down the diameter for a deeper fit). b) RFI - get a shielded jack cable or add a shield/sheath to your cable to help reduce radio...