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are you using any optional hardware with your APM.I am using neo 7m gps,power module and buzzer.

i got an idea of building a drone with obstacle sensor.Arduino and 5 ir sensors are needed for this. but it will be too much hard to mount the arduino and the ir sensors.

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I ve ordered a 8m GPS module will get the delivery end of this month. It will be  my first GPS. I m using a voltmeter with buzzer. You can get the ir sensor but too much connection will be complicated and more battery will be drained. No not using any extra optional hardware but a simple single axis gimbal. How much flight time you are getting  with the previous battery

You can share the idea

Only got 3 or 4 minutes of flight time with kk2.1.5 flight controller.

From which site did you bought the GPS.

Aliexpress

What was the capacity of your previous battery and discharge rate

Yks battery with 2200 mahcapacity 35C.you can post any type of ideas on instructables.com

What is your flight time?

No didn't attached all the parts now. Will buy the servo wires for attaching receiver and apm

I have bought a fly sky T6 transmitter and a real flight simulator but while connecting with my transmitter the software is showing
"No authorised controller device found,
If u have interlink, Please plug in
If u have a realflight interface, Please plug in and make sure that radio is connected and powered up"

So, What does it mean? Why is it not connecting with the lappy?

Thanks for the information.