Dear all,I plan to build a 30mm x 50mm Autopilot with ATMEGA 1280. Some details:- 4 analog pins to read 2 ADXRS610 and 2 axis from ADXL322 (each roll and pitch).- I2C to read a HMC6352 (yaw).- ISP- flash at UART 0- radiotronix tranceiver at UART 1- G
Read more…Recently there was quite a bit of discussion about the Sony Webbie camera and the addition of the magnetic lens attachment. Has anyone had the chance to fly the Webbie with the lens. I use the flip and it seems to work pretty good with the lens attac
Read more…I just completed my assembly and power up the ardupilot. Power LED and MUX LED both on,Stat blinking, GPS blinking so i think everthing is alright with the boards.Downloaded Arduini, and 2.4Copied files per manual.I get this error when I try to uploa
Read more…After building this setup we got a blinking led on the GPS module, a couple of led's on the ardupilot and finally blinking green led on the sending XBee module. Unfortunately we get no data from the Xbee whatsoever. The red led is not giving any sign
Read more…I am trying to find a temperature sensor to put on my UAV to find out the temperature of the air surrounding the UAV. I am doing a project for UF on a wildfire surveillance UAV and the temperatures around the UAV will be heightened due to the wildfir
Read more…Hey everyone, new to the forum. I am a ME/AE at the University of Florida doing a project on building a UAV for wildfire surveillance.We need an infrared camera and the only options that I have found so far is the Flir Tau series. The max resolution
Read more…Good day to all, Im new here in this great forum, been reading the previous posts, blogs and articles for a while now, and they are extremely useful for a UAV Newbie like me.Im currently doing a project at college, and I need your help.First things f
Read more…Hi guys,I got some ideas when checking the following link:http://tinkerlog.com/2009/05/15/interfacing-arduino-with-a-telit-gm862/Chris! Jordi!being the master minds of Ardupilot's board, could this be possible to interface the GM862 with all the rest
Read more…Due to an order disguise, I've received an EM408 instead of the classis EM406.I Can't send back the module, so I've to connect the 408 to ardupilot.I've tried those connection but the GPS led seems to be dead:EN ---> VCCGND --->GNDRX (on gps) ---> TX
Read more…I was looking at Premerlani and Bizard's paper and got thinking about what is needed to enforce the orthogonality of the DCM. From what I can tell you would need to track yaw as well in order for this to work right since this is a 3x3 matrix.Does thi
Read more…I purchased a Multiplex EasyStar RTF as part of a project. As a first time flyer, the system is incredible, and I've learned a tremendous amount from it.However, at some point I changed the stock settings on the ESC (or I fried it. The motor turns, b
Read more…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…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
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