#include <Servo.h>

Servo servo1; 

Servo servo2;

int r1 = 0;
int r2 = 0;
int r3 = 0;
int r4 = 0;
int r5 = 0;


void setup() {

  servo1.attach(D3);
  servo2.attach(D4);

}

void loop(){ 
 
 r1 = random(0,10); //servo 1 angle limit
 r2 = random(100,500); // servo 1 delay 1
 r3 = random(300,800);  //delay 2
 r4 = random(0, 20); // servo 2 angle limit
 r5 = random(100, 600); //servo 2 delay to offset movements

   servo1.write(r1); 
   delay(r2); 
   servo1.write(r3); 
   delay(r3); 
  
  servo2.write(r4); 
  delay(r5); 
  servo2.write(r1); 
  delay(r3);

}