Alex's Discussions (20)

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How to assemble with new diode?

I just received my APMv2 board from 3DR I purchased an un-assembled one so I cna use the right angle headers, but with it came two diodes (i think) one of the being a zener diode and I dont know where to solder them onto.

I would appreciate some help

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Xplane simulation not working?

I have updated AMP to 1.55, XPlane to 9.70, and am using APM2.2 HIL, everything connects up and reading are all correct, but as soon as I enable auto/ stabilize mode the aircraft spirals down to the ground and creshed when on xplane?Anyone got any id

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Power reciever with usb?

HI i just wanted to konw if you can power the RX while only under usb power? this would be useful for testing under HIL. but my RX does not get any power while under usb power. I am using a Futaba FASST recieverthanks

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Telemetry in Europe?

Hi

I would like ot konw what the best solution is for a telemetry datalink in the UK

I konw that 900mhz is not allowed in europe

868mhz has a duty load of less than 10%

2.4Ghz is possible but RC gear is usualy 2.4Ghz

 

So is the best solution to use 2.4Ghz

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Arducopter motor mounts

I am in the process of building my own frame, but I noticed that most DIY frames seem to mount the motors directly onto the frame, is there any reason why arducopter has the mounts with a single bold through the frame and then 2 supporting it to stop

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FLY_BY_WIRE_A control problem

Hi


I am using the ardupilot 2.7.1, with airspeed sensor, and XYZ thermopiles.
My RX and TX is a futaba 2.4ghz radio
I am using a aircraft with elevators, and rudder control

I have already had many successful flights in stabilize mode and it is working pe

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Endurance

So i have seen that most of the military electric MAV has endurance of at least  40min-1hour!  I was wondering if there was any secret to how they achieve this or is it as simple as adding a few more lipo batteries at the sacrifice of extra payload i

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2.6 auto landing

I was just reading the code to try understand how auto landing and takeoff works and just wanted to check if i understood it correctly?


Auto Takeoff
You set the desired take off alt (say 200m), and servo pitch (say 20deg), and autopilot will stick to t

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Xbee 900 help

I purchased the recommended xbee pro 900 modules from sparkfun,  I am using the sparkfun usb explorer board for the pc side, and then using the adafruit adapter board for the ardupilot side as recommended


I followed the instructions of changing the no

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get_bearing understanding

I dont know if this is best place to ask these fairly beginner questions.  I have been spending the last few weeks reading though and understanding the autopilot code as best I can, and also learning lots about micro controller programming as I go al

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Thermopile code

Hi, I was just reading through the code, and cant seem to understand the following part in the sensor tab/section



long x_axis(void)// roll
{
return ((analog1 - 511l) * 9000l) / ir_max;
}

long y_axis(void)// pitch
{
return ((analog0 - 511l) * 9000l) / ir_max

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Freeduino?

I came across a website with freeduino, and as far as i can see its 100% compatible with arduino, and from the pictures it also looks 100% the same as arduino?  So whats the point of it if its the same thing, just a different colour?  I was just wond

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Wireless telemetry and xbee

I remember reading that adrupilot mega will be including 2 way telemetry, But i was just wondering if this will be achieved via the same xbee modules as currently used on ardupilot. Reason for asking is I was planning to buy some XBee Pro 900 modules

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no servo response

HiI originally had some problems with uploading my code, however i managed to work it out and it was all working fine. I did a few test flights to tune the gains and after i was ready to try RTL a few days later. So i connected up everything and load

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Cant upload ardupilot 2.4 code?

i get the following error when i try to upload the code, I have tried on 2 seperate PC's with similar resultavrdude: stk500_getsync(): not in sync: resp=0x00avrdude: stk500_disable(): protocol error, expect=0x14, resp=0x51I have the diydrones store F

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