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waterproof brushless motor

i will be expecting my quadrocopter to be wet (completely soaked in water)  so should i use a brushed or a brushless motor? 


there's an australian company that custom built a quadrocopter to go underwater and i asked them what motor they used and they

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GPS & IMU

If I am using the IMU is it necessary to plug the Ublox GPS into that board or can it plug into the shield? If I plug it into the IMU the IMU will get a solid blue but the shield and Ardupilot will continue to blink blue. If I plug it into the shield

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Turnigy 9x VS Hobby King 7x

I'm building an Arducopter and am still deciding between these two tx/rx systems.  The Turnigy seems nice that it has more channels and some knobs instead of all two-way switches.  However, it looks like it has an 8 AA battery pack and would need mod

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Ardu-IMU Servo pins?

This is really just a simple question of documentation, but what pins are the "SERVO" pwm pins connected to? IE, which pins would I declare as output in the firmware to control servos based on the orientation of the IMU?


Thanks

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Data telemetry range issues

We currently have a functioning ardupilot being used as a data telemetry unit. However, through field testing, we have found that the range we successfully achieve with the ardupilot and xbee data telemetry unit is approximately 0.3miles. This is a f

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Using EM-406 GPS instead of Ublox

Do I need to change anything in my setup of arduPIlot with arduIMU..or change any coding to use EM-406???   I know I have to change the #define line for the GPS to NMEA...but are there any other changes? Have people been having success with EM-406?

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Arduimu magnetometer calibration

Hi,


I was wondering if anyone knew how to calibrate the compass when used with the ArduIMU. I saw Bill Premerlani's code for the UAV DevBoard, it is very interesting and it would be really cool to calibrate the compass in flight by sending a signal, b

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Auto Trimmer

Been a long time away from the website, and I gotta say you guys and gals have made some significant improvements to an already impressive system. I hope to be back in the field playing with our UATs this summer.

 I have a question/suggestion, and it

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MediaTek MT3329 GPS 10Hz

I purchased this with full knowledge it wasn't ready to go out of the box. I'm starting this thread to consolidate efforts to utilize this GPS in the multiple projects here at DIYdrones.

I'm working with the UAVdev board and the MBED micro controller

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