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Permalink Reply by Jim Cooper on March 25, 2012 at 12:42pm

Did you ever figure out how to setup the Futaba 6ex to work with various flight modes of the FC?  I've got a Futaba 6EX that I am trying to setup for simple, loiter and rtl.  With only the two position switch I am not sure how to do this.  Any suggestions appreciated.....BTW....went and (back) ordered the Turnigy 9X....though might be some time before I see it!

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Permalink Reply by Scott Palmer on March 25, 2012 at 12:59pm

No I did not... I sold the 6ex and went with a futaba 7c and am using the 3 position switch. I added the xbee and will do most of my fight mode changes from the ground station.

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Permalink Reply by Jim Cooper on March 25, 2012 at 3:58pm

Thanks Scott.  Guess I will have to wait until the 9x gets here....meantime, guess I can practice with basics!

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Permalink Reply by Scott Palmer on March 25, 2012 at 4:07pm

I hope all goes well for you. I have my ArduPilot Mega mounted in a FPVRaptor and have just completed all my ground testing, everyting seems to be communicating and the next step is flight testing.

 

Good Luck.

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Permalink Reply by Robin Szeto on January 14, 2013 at 8:01am

See my post below.

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Permalink Reply by Robin Szeto on January 14, 2013 at 8:00am

Arduino Nano code:

#include <Servo.h>

volatile int futaba_ch5; // Here's where we'll keep our channel values
volatile int futaba_ch6;
volatile int mix1;
volatile int mix2;
volatile int mix;
volatile long mixed;

Servo myServo;

void setup()
{

pinMode(2, INPUT); // Set our input pins as such
pinMode(4, INPUT);
pinMode(9,OUTPUT);

myServo.attach(9);

Serial.begin(9600); // Serial output setup

mixed == 1000; // Give initial reading for "mixed"
}

void loop()
{

futaba_ch5 = pulseIn(2, HIGH, 23000); // Read the pulse width of channel 5, wait for 25k microsecond

myServo.writeMicroseconds(mixed); // Continue to output last PWM signal
Serial.print("Output1 = "); // in order to reduce time interval between output pulse
Serial.println(mixed); // If not doing these 3 lines, the output pulse will have interval of 2 x 23ms = 46ms

futaba_ch6 = pulseIn(4, HIGH, 23000); // Read the pulse width of channel 6, wait for 25k microsecond
// Why 25k microsecond?
// Because there are typically 20ms (20,000 E-6 s) between pulse
// Each pulse has the length between 1ms (min) to 2ms (max)
// 23,000 = 20,000 + 2,000 + 1,000 where the 1,000 is allowance

// Serial.print("Futaba Channel 5: "); // Print the value of channel 5
// Serial.println(futaba_ch5);

// Serial.print("Futaba Channel 6: "); // Print the value of channel 6
// Serial.println(futaba_ch6);

if ( futaba_ch5 > 1500 ){
mix1 =3;
}
else {
mix1 =1;
}

if ( futaba_ch6 > 1500 ){
mix2 =1;
}
else {
mix2 =0;
}

mix = mix1 + mix2; // "Mixes" the channels
if (mix ==1) mixed = 1000; // Position 1 starting point
if (mix ==2) mixed = 1250; // Position 2
if (mix ==3) mixed = 1500; // Position 3 mid-point
if (mix ==4) mixed = 1750; // Position 4 2000 is end point
myServo.writeMicroseconds(mixed); // Output PWM of "4-position" switch

Serial.print("Output2 = "); // Print the value of mixed channel
Serial.println(mixed);

}

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