├── .gitattributes
└── AC_Dimmer_using_Blynk
    └── AC_Dimmer_using_Blynk.ino


/.gitattributes:
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1 | # Auto detect text files and perform LF normalization
2 | * text=auto
3 | 


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/AC_Dimmer_using_Blynk/AC_Dimmer_using_Blynk.ino:
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 1 | /*
 2 |    This is the code for AC Dimmer using Arduino Board.
 3 | 
 4 |    To watch it's full tutorial video, head on to my YouTube Channel
 5 | 
 6 |    http://www.youtube.com/techiesms
 7 | 
 8 | */
 9 | 
10 | 
11 | #define BLYNK_PRINT Serial
12 | #include <ESP8266WiFi.h>
13 | #include <BlynkSimpleEsp8266.h>
14 | 
15 | #define triacPulse 4 //D2
16 | #define ZVC 12 //D6
17 | 
18 | int Slider_Value;
19 | int dimming;
20 | int x = 0;
21 | 
22 | char auth[] = "AUTH TOKEN";        // You should get Auth Token in the Blynk App.
23 | // Go to the Project Settings (nut icon) in the Blynk app or check your email for auth token.
24 | 
25 | char ssid[] = "SSID";         // Your WiFi credentials.
26 | char pass[] = "PASS";    // Set password to "" for open networks.
27 | 
28 | 
29 | BLYNK_WRITE(V1)   // function to assign value to variable Slider_Value whenever slider changes position
30 | {
31 |   Slider_Value = param.asInt(); // assigning incoming value from pin V1 to a variable
32 | }
33 | 
34 | 
35 | void setup()
36 | {
37 | 
38 |   pinMode(ZVC, INPUT_PULLUP);
39 |   //digitalWrite(2, INPUT_PULLUP); // pull up
40 |   pinMode(triacPulse, OUTPUT);
41 |   Serial.begin(9600);
42 |   Blynk.begin(auth, ssid, pass);
43 |   attachInterrupt(digitalPinToInterrupt(ZVC), acon, FALLING); // attach Interrupt at PIN2
44 | }
45 | 
46 | 
47 | 
48 | void loop()
49 | {
50 |   Blynk.run();
51 |   // When the switch is closed
52 |   dimming = map(Slider_Value, 0, 100, 7200, 200); //0.2ms 7.2 ms
53 | 
54 | }
55 | 
56 | void acon()
57 | {
58 |   // Serial.println("REad");
59 | 
60 |   delayMicroseconds(dimming); // read AD0
61 |   digitalWrite(triacPulse, HIGH);
62 | 
63 |   delayMicroseconds(50);  //delay 50 uSec on output pulse to turn on triac
64 |   digitalWrite(triacPulse, LOW);
65 | 
66 |   // Serial.println(digitalRead(triacPulse));
67 | }
68 | 


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