Arduino UV Meter with 1530 Levels

1/*
2  * Programmed by : BMIAK Basnayaka
3  * Youtube Channel : SetNFix
4  * Name : Arduino UV Level Meter with 1530 levels
5  * Date : 09th May, 2020
6  * email : bmiakbasnayaka@gmail.com
7  * Blogspot  :https://setnfix.blogspot.com
8  * Website : http://www.setnfix.com
9  * Arduino : https://create.arduino.cc/projecthub/SetNFix
10  * FaceBook : https://www.facebook.com/setnfix
11  * Hackster : https://www.hackster.io/SetNFix
12  */
13
14
15// Pins of 6 LEDs
16int led1 = 3;
17int led2 = 5;
18int led3 =  6;
19int led4 = 9;
20int led5 = 10;
21int led6 = 11;
22
23int ldr = A0;//LDR  sensor pin
24int sen = A1;//10k Potentiometer
25
26//All the bulbs are off at  the beginning
27int a=0;
28int b=0;
29int c=0;
30int d=0;
31int e=0;
32int  f=0;
33
34
35int bright = 0; // Analog level is 0 (LED off 0 -255 on)
36int  ldrlevel = 0; // Analog read of LDR
37int senlevel = 0;// Analog Read of potentiometer
38
39
40
41void  setup() {
42  pinMode(led1,OUTPUT);
43  pinMode(led2,OUTPUT);
44  pinMode(led3,OUTPUT);
45  pinMode(led4,OUTPUT);
46  pinMode(led5,OUTPUT);
47  pinMode(led6,OUTPUT);
48  pinMode(ldr,INPUT);
49 pinMode(sen,INPUT);
50Serial.begin(9600);
51Serial.print("SetNFix  Youtube Channel");
52 
53}
54
55void loop() {
56
57ldrlevel = analogRead(ldr);
58senlevel  = analogRead(sen);
59//delay(100);
60
61
62
63
64bright = map(ldrlevel,senlevel,1023,0,1530);
65
66//if  (bright<0) bright =0;
67Serial.println(bright);
68a = bright;
69b = bright -  255;
70c = bright - 510;
71d = bright - 765;
72e = bright - 1020;
73f = bright  - 1275;
74
75if (a >255) a=255;
76if (b >255) b=255;
77if (c >255) c=255;
78if  (d >255) d=255;
79if (e >255) e=255;
80if (f >255) f=255;
81
82
83if (a < 0)  a=0;
84if (b < 0) b=0;
85if (c < 0) c=0;
86if (d < 0) d=0;
87if (e < 0) e=0;
88if  (f < 0) f=0;
89
90
91analogWrite(led1,a);
92analogWrite(led2,b);
93analogWrite(led3,c);
94analogWrite(led4,d);
95analogWrite(led5,e);
96analogWrite(led6,f);
97
98
99}