Simple robotic arm

1
2
3#include <Servo.h>
4Servo arm ;
5Servo turn ;
6Servo claw  ;
7Servo claw2 ;
8 
9 int potpin = 0;  // analog pin used to connect the potentiometer
10int  val;
11int potpin2 = 1;  // analog pin used to connect the potentiometer
12int  val2;
13int potpin3 = 2;  // analog pin used to connect the potentiometer
14int  val3;
15
16
17
18void setup() {
19  // put your setup code here, to run once:
20turn.attach(13)  ;
21 arm.attach(12) ;
22 claw.attach(11) ;
23 claw2.attach(10) ;
24
25
26
27
28}
29void  loop() {
30  // put your main code here, to run repeatedly:
31val = analogRead(potpin);            // reads the value of the potentiometer (value between 0 and 1023)
32  val = map(val, 0, 1023, 0, 180);     // scale it to use it with the servo (value  between 0 and 180)
33  turn.write(val);                  // sets the servo position  according to the scaled value
34  delay(15);
35
36  val2 = analogRead(potpin2);            // reads the value of the potentiometer (value between 0 and 1023)
37  val2 = map(val2, 0, 1023, 0, 180);     // scale it to use it with the servo (value  between 0 and 180)
38  arm.write(val2);                  // sets the servo position  according to the scaled value
39  delay(15);
40  
41  val3 = analogRead(potpin3);            // reads the value of the potentiometer (value between 0 and 1023)
42  val3 = map(val3, 0, 1023, 0, 180);     // scale it to use it with the servo (value  between 0 and 180)
43  
44  delay(15);
45  if(val3 < 90){
46    claw.write(180);
47  claw2.write(90); 
48  }  
49  else if(val3 > 90){
50  claw.write(90);
51  claw2.write(180);  
52  }  
53  }
54