Modified by
TECHNICAL TEAM,REES52

#include <Servo.h>
//Using servo library to control ESC
Servo esc;
 //Creating a servo class with name as esc
void setup()
{
  esc.attach(8);
//Specify the esc signal pin,Here as D8
  esc.writeMicroseconds(1000);
 //initialize the signal to 1000
  Serial.begin(9600);
}
void loop()
{
  int val;
 //Creating a variable val
  val = analogRead(A0);
 //Read input from analog pin a0 and store in val
  val = map(val, 0, 1023, 1000, 2000); //mapping val to minimum and maximum(Change if needed)
  esc.writeMicroseconds(val); //using val as the signal to esc
}