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Mini QuadCopter

Hello,

I am planning to build a mini quadcopter. The specifications will be:

- Distance between motors: 30cm
- Prop size: 8x3.8
- Total weight: 500 - 650g (depending on motor and esc combination)

I am not sure which motor + esc combination to use. My choi

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Motor Upgrade?

Hi All,

I think it’s time to upgrade my motors and ESC’s. I am new to the electric hobby, so when looking at new motors, and comparing them I really don’t know what to look for.

What I have now:

APC 12x3.8 Slow Flyer
TR2217/20 Turnigy 2217 20turn 860kv 2

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need help troubleshooting

Some background information first. I've had my airplane flying successfully with autopilot for several months. I recently ordered the Xbee modules for telemetry.

After installing the Xbee I was able to power up, get a GPS lock and see telemetry with

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UAV in space

Hey guys, im planning a ambitious project, i want to send a uav to space! by strapping a small fibreglass uav underneath a weather balloon with a servo release to release it at a predetermined altitude. At witch time the uav glides to a specifyed way

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UHF Long Range TX/RX (HAM required)

Haven't seen much about this mentioned on the website yet. I did see one person throw one up for sale with no replies. Looks like it would give ranges farther than 1.3, 900, 2.4 etc. It requires a HAM license, but that doesn't seem like it would be h

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Airspeed Issue

HAs anyone had issues with the airspeed sensor using ArduPilot with the shield?  I have set the proper millivolts in the code but it doesn't seem to work right.  After loading the code and looking at the GCS at a standstill the airspeed is 0....great

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EM-406a Default configuration

Hello,

If I don't wish to change the default configuration of the EM-406a, do I need to hook up the RX line?

I have two serial devices, one that only receives, and one that only transmits, EM-406a.  Can I hook the MCU RX to one device and the TX line t

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Razor 9DOF IMU + scp1000 how to ?

Hello!
I'm starting my own UAV project,and I have a problem with reading scp 1000,what I would like to do using Razor 9DOF IMU(ATmega328P).They are both 3.3V.
SCP1000 has   The SPI on Razor has       Pins on Razor according to datasheet
DRDY            

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APM Gains and behaviour

Hello,


I have made now 4 flights with my APM-equipped airplane.

The plane is a simple trainer 150cm wingspan (58") with ailerons, elevator and rudder. Electric 4s 3000mAh, had Turnigy esc inside but now changed to Jeti Spin 55. Robbe Roxxy 3548-12 outr

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Hardware documnetation

Hi All,

I am just starting to play  with my APM and with Arduino IDE, but I can't find the hardware documentation

of the arduino mega, I've been looking in arduino.cc and can't found it.

I would like to know the number of timers, interrupts, io,configs,

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I NEED HELP

I WILL NEED TO MAKE A SCHOOL PROJECT FOR MICROCONTROLLERS, AND THE HELICOPTERS IS AN AMAZING TOPIC AND EXCELLENT PROJECT TO DO. THE ONLY THING THAT I NEED IS INFORMATION TO BUILD A QUADCOPTER:


TYPE OF MOTORS THAT I MUST USE? ESPECIFICATIONS

I LIVE N ME

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