I was going threw the header file(v2.4), and this seemed not right to me:#define GPS_ERROR_SPEED_SETPOINT 3 // In -m/s; , in case of GPS failure the airplane will enter into stabilization mode only and will try to maintain the airspeed set here.when:
Read more…I hosed things up when I soldered the cable to the beacon (three holes, two wires...) anyway, I was having trouble figuring out what was up until I tried my TV remote control as a beacon. It worked great, which was enough info to point me at a proble
Read more…Hi guys,I'm spending some time to study the code, and I came across this line in the control file:roll_Integrator+= (float)(((float)PID_error*((float)dt/1000.0))*(float)ki[0]);under PID_roll function. my question is - why devide dt by 1000? - *((floa
Read more…Hi allHas anyone used one of these kits before:http://www.dpcav.com/xcart/product.php?productid=16274&cat=262&page=1http://www.dpcav.com/xcart/product.php?productid=16273&cat=262&page=1Are they any good? and what is the range of them? I see they are
Read more…hi,,I have IMU consists of (3-accelometre,3-gyro and 3-megnatometre) and I need to find out the pitch angle for a UAV so if I use the X-accelometre as a measurment,so I get 2 components the first one is due to (gravity sense) which is desirable to me
Read more…This is super expensive on DigiKey ($85), but it is being sold on electronic goldmine for cheap! $8.95!!)http://www.goldmine-elec-products.com/prodinfo.asp?number=G17180I was thinking of using this for speed measurement instead of the MPXV5004DP, who
Read more…Hello,I have been looking at various autopilots to add to my collection but I have one less common issue. I fly all winter and its not unusual for me to fly at -20C. I have been playing with the ardupilot code and looked into the devboard but now tha
Read more…Hi All,Been setting up another Ap today, applied another Locosys 200031 to the NEW shield.......(Some of you know i lost a UAV recently, this is all NEW replacement gear) got it built....started to program....EH!?!?!?! wheres the 3v...triple checked
Read more…Hi EveryoneI have the new Ardupilot with Shield. When I plug my ESC into it - it gets hot. The ESC gets really hot and also the Ardupilot right where the ESC plugs into it. I dont think its a building/soldering issue because Im pretty good at solderi
Read more…my question is HOW could I subtract the acceleration component due to motion from gravity component which is used for obtaining Pitch angle??If the IMU is fixed ,static( not moving ) and i need to find out the angles ,I have no problem for that but m
Read more…Hello All,Getting a setup going. Everything appears to be working well, except the throttle.Obviously, going straight into the Rx works just fine.The ESC normally plays a startup tone, and then 3 beeps to let me know it's ready. It does this when goi
Read more…Hi all,I am wondering if it would be possible to use a magnetometer-only solution to estimate UAV attitude. Indeed, it looks like there are quite good sensors available e.g micromag 3 which would allow to estimate plane attitudes quite accurately and
Read more…hi.I got battered but ardupilot schedule,,,I see that again in a hard yellow led flashes very fast, which after the old schedule, the yellow LED blinks once nearly set off staying and re-ignite after a period of about 6 or 7 seconds and remains so ev
Read more…how far is the transmission range on this when in fpv mode?im considering a purchase of this system because the system i ordered from rangevideo is absolute crap.would this be a good fpv system and would it be a good investment.if it isnt, who sells
Read more…Hello ArduPilots,I have just released a new version (the v2.4.4) of my ArduPilot. This new version contains a very interesting feature: THE SELF LEARNING MODE....This new feature is very usefull in the field, because you don't need to have an interne
Read more…Will the Copilot II sensors work with the Ardu auto pilot. There are only 3 wires coming out of the main sensors instead of 4.Tony
Read more…If anyone has used/pushed their XBee Pro 900 (http://www.sparkfun.com/commerce/product_info.php?products_id=9087) to the limit I would love to know some results. I am mainly looking for max altitude being that horizontal distance can be limited depen
Read more…I just flashed my tiny45 with v16 and it no longer works. I put back on v 15 and everything is ok, normal lights with the 3 positions of my aux channel.Anyone updated theirs lately with good luck. I flew it with v15 and it would stabilize but would n
Read more…I am Danish Butt and working on my final year project with my group fellow Aftab Rashid. We are facing problem with EM-406a. It gave us output on hyperterminal when we used it in the beginning but now we dont know what has gone wrong with it that it'
Read more…Dear All,I got my GS407 U-Blox5 GPS from DIY Drones shop yesterday.Unfortunately, it's been running all night long close to the window and for about 1 hour outside (clear sky, horizon on 180°) : no fix.I have plenty of satellites in view (around 10 o
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