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Radio

Futaba 7C 2.4 GHz Radio

The R/C radio controls the throttle and the direction that the quadcopter travels.  When choosing an R/C radio, the most important feature is how many channels the radio supports.  One channel independently controls one servo or ESC.  The more channels, the more devices that can be independently controlled.  The minimum number of channels for a quadcopter is 5.  Four of those channels are for the four motors and the other channel for switching between flight modes.   These flight modes could be switching from stable or acrobat mode or to enable or disable autonomous flying.  A radio with more than 5 channels will allow auxiliary devices to be controlled.  Some devices that could be controlled are lights, robotic cameras or landing gear.

Posted in Guide, Radio by Russell

20 Responses to “Radio”

  1. Likhith says:

    What will be the cost of the Radio??
    And
    Can we get the chip mounted for the quadcopter outside and what would be its cost?

    • Russell says:

      The radio cost range from $200- on up. Not sure I understand your second question. What chip are you referring to?

  2. Alessandro says:

    How the part on the arduino is made? I mean, what kind of circuit did you use to receive or transmitt info in the air?

  3. Pat says:

    say i wanted to control a motor that raises and lowers a rope, would i be able to control the helicopter and do that with a 5 channel

  4. Joe says:

    Hi

    I need to know if it is possible to use a 6 channel radio that works in the 35MHz band. I don’t know if the motors may generate noise that interfiere the instructions from the radio.

    Thanks.

    • Russell says:

      I wouldn’t worry about noise from the electronics onboard to interfere with the radio transmission. I would make sure that the frequency is clear of other radio traffic on that frequency.

  5. Jacob says:

    I need a 6 channel receiver for no more than 100 dollars, what would you recommend.

  6. justin says:

    so the xbee is going to be receiving (mounted on the copter). and the radio sends what im telling it, to the xbee? just want to make sure before i buy two xbees.

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