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4 Way Traffic Signal Control System Using Arduino and IR Sensor
Just Do Electronics
February 22, 2020
4 Way Traffic Signal Control System Using Arduino and IR Sensor | Density Based Traffic System
Code
//prateek //www.prateeks.in #define ledA1 27 #define ledA2 25 #define ledA3 23 #define ledB1 51 #define ledB2 49 #define ledB3 47 #define ledC1 11 #define ledC2 12 #define ledC3 13 //2 #define ledD1 8 #define ledD2 9 //4 #define ledD3 10 int a1, a2, b1, b2, c1, c2, d1, d2; void setup() { Serial.begin(9600); pinMode(ledA1, OUTPUT); pinMode(ledA2, OUTPUT); pinMode(ledA3, OUTPUT); pinMode(ledB1, OUTPUT); pinMode(ledB2, OUTPUT); pinMode(ledB3, OUTPUT); pinMode(ledC1, OUTPUT); pinMode(ledC2, OUTPUT); pinMode(ledC3, OUTPUT); pinMode(ledD1, OUTPUT); pinMode(ledD2, OUTPUT); pinMode(ledD3, OUTPUT); } void loop() { readSensor(); if (b1 == 1 && b2 == 1) { roadBopen(); } else if (d1 == 1 && d2 == 1 && (b1 == 0 || b2 == 0)) { roadDopen(); if (b1 == 1 && b2 == 1) { roadBopen(); } } else if (a1 == 1 && a2 == 1 && ((d2 == 0 || b2 == 0) || (d1 == 0 || b1 == 0))) { roadAopen(); if (b1 == 1 && b2 == 1) { roadBopen(); } else if (d1 == 1 && d2 == 1 && (b1 == 0 || b2 == 0)) { roadDopen(); } } else if (c1 == 1 && c2 == 1 && ((d2 == 0 || b2 == 0 || a2 == 0) || (d1 == 0 || b1 == 0 || a1 == 0))) { roadCopen(); if (b1 == 1 && b2 == 1) { roadBopen(); } else if (d1 == 1 && d2 == 1 && (b1 == 0 || b2 == 0)) { roadDopen(); } } ///////////////////////////////////////////////////////////////////////////////////////////////////////// else if ((b1 == 1 && b2 == 0) && (c1 == 1 || d1 == 1 || b1 == 1) && (c2 == 1 && d2 == 1 && b2 == 1)) { roadBopen(); } else if ((d1 == 1 && d2 == 0) && (c1 == 1 || a1 == 1) && (b1 == 0 && b2 == 0) && (c2 == 0 && a2 == 0)) { roadDopen(); } else if ((a1 == 1 && a2 == 0) && (c1 == 1 && c2 == 0) && (d1 == 0 && d2 == 0) && (b1 == 0 && b2 == 0)) { roadAopen(); } else if ((c1 == 1 && c2 == 0) && (b1 == 0 || b2 == 0) && (d1 == 0 || d2 == 0) && (a1 == 0 || a2 == 0)) { roadCopen(); } ///////////////////////////////////////////////////////////////////////////////////////////////////////// else if ((b1 == 1 && b2 == 0) && (c1 == 0 || c2 == 0) && (d1 == 0 || d2 == 0) && (a1 == 0 || a2 == 0)) { roadBopen(); } else if ((d1 == 1 && d2 == 0) && (c1 == 0 || c2 == 0) && (b1 == 0 || b2 == 0) && (a1 == 0 || a2 == 0)) { roadDopen(); } else if ((a1 == 1 && a2 == 0) && (c1 == 0 || c2 == 0) && (d1 == 0 || d2 == 0) && (b1 == 0 || b2 == 0)) { roadAopen(); } ///////////////////////////////////////////////////////////////////////////////////////////////////////// else if (a1 == 0 && b1 == 0 && c1 == 0 && d1 == 0) { roadBopen(); if (a1 == 0 && b1 == 0 && c1 == 0 && d1 == 0) { roadDopen(); } if (a1 == 0 && b1 == 0 && c1 == 0 && d1 == 0) { roadAopen(); } if (a1 == 0 && b1 == 0 && c1 == 0 && d1 == 0) { roadCopen(); } } } void readSensor() { a1 = analogRead(A7); a2 = analogRead(A6); b1 = analogRead(A4); b2 = analogRead(A5); c1 = analogRead(A1); c2 = analogRead(A0); d1 = analogRead(A3); d2 = analogRead(A2); if (a1 < 400) a1 = 1; else a1 = 0; if (a2 < 400) a2 = 1; else a2 = 0; if (b1 < 400) b1 = 1; else b1 = 0; if (b2 < 400) b2 = 1; else b2 = 0; if (c1 < 400) c1 = 1; else c1 = 0; if (c2 < 400) c2 = 1; else c2 = 0; if (d1 < 400) d1 = 1; else d1 = 0; if (d2 < 400) d2 = 1; else d2 = 0; Serial.print(a1); Serial.print("\t"); Serial.print(a2); Serial.print("\t"); Serial.print(b1); Serial.print("\t"); Serial.print(b2); Serial.print("\t"); Serial.print(c1); Serial.print("\t"); Serial.print(c2); Serial.print("\t"); Serial.print(d1); Serial.print("\t"); Serial.print(d2); Serial.println("\t"); } void roadAopen() { digitalWrite(ledA3, LOW); digitalWrite(ledA1, HIGH); digitalWrite(ledB3, HIGH); digitalWrite(ledC3, HIGH); digitalWrite(ledD3, HIGH); delay(10000); digitalWrite(ledA1, LOW); digitalWrite(ledA2, HIGH); delay(1000); digitalWrite(ledA2, LOW); readSensor(); } void roadBopen() { digitalWrite(ledB3, LOW); digitalWrite(ledA3, HIGH); digitalWrite(ledB1, HIGH); digitalWrite(ledC3, HIGH); digitalWrite(ledD3, HIGH); delay(10000); digitalWrite(ledB1, LOW); digitalWrite(ledB2, HIGH); delay(1000); digitalWrite(ledB2, LOW); readSensor(); } void roadCopen() { digitalWrite(ledC3, LOW); digitalWrite(ledA3, HIGH); digitalWrite(ledB3, HIGH); digitalWrite(ledC1, HIGH); digitalWrite(ledD3, HIGH); delay(10000); digitalWrite(ledC1, LOW); digitalWrite(ledC2, HIGH); delay(1000); digitalWrite(ledC2, LOW); readSensor(); } void roadDopen() { digitalWrite(ledD3, LOW); digitalWrite(ledA3, HIGH); digitalWrite(ledB3, HIGH); digitalWrite(ledC3, HIGH); digitalWrite(ledD1, HIGH); delay(10000); digitalWrite(ledD1, LOW); digitalWrite(ledD2, HIGH); delay(1000); digitalWrite(ledD2, LOW); readSensor(); }
2 Comments
Anonymous
20 October 2022 at 09:04
please give me circuit diagram :)
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Anonymous
15 December 2022 at 21:57
lot of thanks....sir can you give me the diagram
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2 Comments
please give me circuit diagram :)
ReplyDeletelot of thanks....sir can you give me the diagram
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