Most Simple Robot Arm out There (Easy!)

1// This includes the servo library so we can use servo moters and edit  their values
2#include<Servo.h>
3
4// These are the names of all the servos
5Servo  myservo;  
6Servo myservo2;
7Servo myservo3;
8
9// These are the potentiometers  and the values of their angles
10int potpin = 0;  
11int val;    
12
13int potpin2  = 2;
14int val2;
15
16int potpin3 = 4;
17int val3;
18
19// This happens as  soon as the code starts running
20void setup() {
21  // This tells the program  where the servos are plugged in
22  myservo.attach(9);  
23  myservo2.attach(6);
24  myservo3.attach(3);
25}
26
27// This loops when the Arduino Uno is plugged  into your computer
28void loop() {
29  // This tells the program where the potentiometer  is plugged in on the Arduino Uno
30  val = analogRead(potpin);
31  val2 = analogRead(potpin2);
32  val3 = analogRead(potpin3);
33  // This converts the potentiometer angles into  servo angles
34  val = map(val, 0, 1023, 0, 180);
35  val2 = map(val2, 0, 1023,  0, 180);
36  val3 = map(val3, 0, 1023, 0, 180);
37  // This sets the position  of the servo where the potentiometer is located
38  myservo.write(val);
39  myservo2.write(val2);
40  myservo3.write(val3);
41  // This delays after every loop
42  delay(15);
43}