Arduino Sunflower: An Electronic Sun-Dancer

1#include <Servo.h> // include Servo library 
2
3Servo horizontal;  // horizontal servo
4int servoh = 90; // stand horizontal servo
5
6Servo vertical;  // vertical servo 
7int servov = 90; // stand vertical servo
8
9// LDR pin  connections
10// name = analogpin;
11int ldrrd =0; 
12int ldrld =1;
13int ldrlt  = 2; 
14int ldrrt = 3; 
15 
16
17
18void setup()
19{
20  Serial.begin(9600);
21//  servo connections
22// name.attacht(pin);
23  horizontal.attach(9); 
24  vertical.attach(10);
25}
26
27void  loop() 
28{
29  int lt = analogRead(ldrlt); // top left
30  int rt = analogRead(ldrrt);  // top right
31  int ld = analogRead(ldrld); // down left
32  int rd = analogRead(ldrrd);  // down rigt
33
34  int dtime = analogRead(4)/20; // read potentiometers  
35int  tol = analogRead(5)/4;
36
37int avt = (lt + rt) / 2; // average value top
38int  avd = (ld + rd) / 2; // average value down
39int avl = (lt + ld) / 2; // average  value left
40int avr = (rt + rd) / 2; // average value right
41
42int dvert =  avt - avd; // check the diffirence of up and down
43int dhoriz = avl - avr;// check  the diffirence og left and rigt
44
45if (-1*tol > dvert || dvert > tol) // check  if the diffirence is in the tolerance else change vertical angle
46{
47if (avt  > avd)
48{
49servov = ++servov;
50if (servov > 180)
51{
52servov = 180;
53}
54}
55else  if (avt < avd)
56{
57servov= --servov;
58if (servov < 0)
59{
60servov = 0;
61}
62}
63vertical.write(servov);
64}
65
66if  (-1*tol > dhoriz || dhoriz > tol) // check if the diffirence is in the tolerance  else change horizontal angle
67{
68if (avl > avr)
69{
70servoh = --servoh;
71if  (servoh < 0)
72{
73servoh = 0;
74}
75}
76else if (avl < avr)
77{
78servoh  = ++servoh;
79if (servoh > 180)
80{
81servoh = 180;
82}
83}
84else if (avl  == avr)
85{
86// nothing
87}
88horizontal.write(servoh);
89}
90delay(dtime);
91}  
92

1#include <Servo.h> // include Servo library 
2
3Servo horizontal;
4  // horizontal servo
5int servoh = 90; // stand horizontal servo
6
7Servo vertical;
8  // vertical servo 
9int servov = 90; // stand vertical servo
10
11// LDR pin
12  connections
13// name = analogpin;
14int ldrrd =0; 
15int ldrld =1;
16int ldrlt
17  = 2; 
18int ldrrt = 3; 
19 
20
21
22void setup()
23{
24  Serial.begin(9600);
25//
26  servo connections
27// name.attacht(pin);
28  horizontal.attach(9); 
29  vertical.attach(10);
30}
31
32void
33  loop() 
34{
35  int lt = analogRead(ldrlt); // top left
36  int rt = analogRead(ldrrt);
37  // top right
38  int ld = analogRead(ldrld); // down left
39  int rd = analogRead(ldrrd);
40  // down rigt
41
42  int dtime = analogRead(4)/20; // read potentiometers  
43int
44  tol = analogRead(5)/4;
45
46int avt = (lt + rt) / 2; // average value top
47int
48  avd = (ld + rd) / 2; // average value down
49int avl = (lt + ld) / 2; // average
50  value left
51int avr = (rt + rd) / 2; // average value right
52
53int dvert =
54  avt - avd; // check the diffirence of up and down
55int dhoriz = avl - avr;// check
56  the diffirence og left and rigt
57
58if (-1*tol > dvert || dvert > tol) // check
59  if the diffirence is in the tolerance else change vertical angle
60{
61if (avt
62  > avd)
63{
64servov = ++servov;
65if (servov > 180)
66{
67servov = 180;
68}
69}
70else
71  if (avt < avd)
72{
73servov= --servov;
74if (servov < 0)
75{
76servov = 0;
77}
78}
79vertical.write(servov);
80}
81
82if
83  (-1*tol > dhoriz || dhoriz > tol) // check if the diffirence is in the tolerance
84  else change horizontal angle
85{
86if (avl > avr)
87{
88servoh = --servoh;
89if
90  (servoh < 0)
91{
92servoh = 0;
93}
94}
95else if (avl < avr)
96{
97servoh
98  = ++servoh;
99if (servoh > 180)
100{
101servoh = 180;
102}
103}
104else if (avl
105  == avr)
106{
107// nothing
108}
109horizontal.write(servoh);
110}
111delay(dtime);
112}
113  
114