Sensors | Ultrasonic Sensors | සංවේදක | ARDUINO|#Pamudahimsara | #ARDUINO | FULL HD 1080 | 💯
//Code by PamudaHimsara #define redled 8 #define blueled 9 #define triger 2 #define echo 4 void setup() { pinMode(triger, OUTPUT); pinMode(echo, INPUT); Serial.begin(9600); } void loop() { // To on the triger pin digitalWrite(triger, LOW); delayMicroseconds(2); digitalWrite(triger, HIGH); delayMicroseconds(10); digitalWrite(triger, LOW); long t = pulseIn(echo, HIGH); delay(100); long inches = t / 74 / 2; long cm = t / 29 / 2; //Printing the value of the readings Serial.print(inches);// 2in 4cm Serial.print("in\t "); Serial.print(cm); Serial.println("cm"); //Doing an Action to the readings if (cm <20) { digitalWrite(redled, HIGH); digitalWrite(blueled, LOW); } else { digitalWrite(redled, LOW); digitalWrite(blueled, HIGH); } }
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