Page 108 - KEC Khaitan C8.2 Flipbook
P. 108

Connecting the Ultrasonic Sensor to Arduino
                      Wiring Guide:


                                              Ultrasonic Sensor Pin        Arduino Pin
                                              VCC                          5V
                                              GND                          GND

                                              TRIG                         Pin 9
                                              ECHO                         Pin 10




























                            WRITING AND UPLOADING A BASIC SKETCH


                  Code to Display Distance on Serial Monitor

                  #define TRIG 9
                  #define ECHO 10

                  void setup() {

                    Serial.begin(9600);

                    pinMode(TRIG, OUTPUT);
                    pinMode(ECHO, INPUT);

                  }

                  void loop() {
                    digitalWrite(TRIG, LOW);

                    delayMicroseconds(2);

                    digitalWrite(TRIG, HIGH);
                    delayMicroseconds(10);

                    digitalWrite(TRIG, LOW);



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