ESC + Brushless not working

[Edgar128]

Hello guys,

I am working on a quadcopter using arduino (I have an arduino Uno), I bought a pack of 4 ESC and 4 brushless on Ebay.
These are EMAX SimonK 30A 2-4 cells and a EMAX CF2822 brushless motor (data sheet : http://www.merqc.com/files/Datasheet/emax.pdf).

I implemented this code for the motors and I wired like on this picture:

#include<Servo.h>
Servo m1;

void setup()
{
   m1.attach(8);
   m1.write(5);
   Serial.begin(9600);
   delay(2000);
} 
void loop()
{                                                                                                                                            
   //for(int i=0;i<360;i++)
   //{
      m1.write(45);
      Serial.println(40);
      delay(100);
   //}
}

Three of my motors were working but one just did not, its ESC did the same "beep-beep" sound as I plug it to the battery, then the motor turns a couple degree CW, then CCW. Then nothing...

Please tell me what I could have got wrong,

Thank you very much,
Edgar

[vinceherman]

Try a different ESC with that motor.
Try a different motor with that ESC.

This will help identify which component is not behaving as expected.

Do you have a pot? Run through the Knob tutorial.
serial print the values before you write them to the servo (esc)
You can use this to determine if the arming sequence is getting in your way. Perhaps the values you are using are within tolerance for some of your ESCs and not for this one ESC. The knob will let you try different values without having to upload a sketch between each attempt.

[Edgar128]

Hey vinceherman, sorry for being so late, I tried the knob project, but it did not work...
Apparently the motor is deficient...

Thank you for your response !!!

[TomGeorge]

Hi,
Ops circuit.

Tom....