#include <ESP32Servo.h>

// These are all GPIO pins on the ESP32
// Recommended pins include 2,4,12-19,21-23,25-27,32-33 
#define PIN_SERVO_1     12
#define PIN_SERVO_2     14
#define POTI_POS_START  35
#define POTI_POS_END    32
#define POTI_SPEED      25

// create four servo objects 
Servo servo1;
Servo servo2; 

// Published values for SG90 servos; adjust if needed
int minUs = 500;
int maxUs = 2400;
int pos_start;
int pos_end;
int speed;

int pos = 0;      // position in degrees

void setup() { 
  Serial.begin(115200);
  Serial.println("=============================================================================");
  Serial.println("Controll Servo");
  Serial.println("=============================================================================");

  servo1.attach(PIN_SERVO_1, minUs, maxUs);
  servo2.attach(PIN_SERVO_2, minUs, maxUs);
}

void loop() {
  pos_start = int (analogRead(POTI_POS_START) >> 6);
  pos_end = int (180 - (analogRead(POTI_POS_END) >> 6));
  speed = int (1 + (analogRead(POTI_SPEED) >> 7));
  Serial.println("Start: " + String(pos_start) + "  End: " + String(pos_end) + "  Speed: " + String(speed));
  for (pos = pos_start; pos <= pos_end; pos++) { // sweep from 0 degrees to 180 degrees
    servo1.write(pos);              
    servo2.write(180 - pos);
    delay(speed);
  }
}