In this code there d1 and d2 are the two terminals of a switch, but when the switch is pressed there is no effect. Please help
#include <NewPing.h>
#define TRIGGER_PIN 12
#define ECHO_PIN 11
#define MAX_DISTANCE 400
NewPing sonar(TRIGGER_PIN, ECHO_PIN, MAX_DISTANCE);
////////////////////////////
#include <Arduino.h>
#include <TM1637Display.h>
// Module connection pins (Digital Pins)
#define CLK 2
#define DIO 3
// The amount of time (in milliseconds) between tests
#define TEST_DELAY 500
TM1637Display display(CLK, DIO);
/////////////////////////
int d1 = 6;
int d2 = 7;
int distance;
void setup() {
Serial.begin(115200); // Open serial monitor at 115200 baud to see ping results.
pinMode (d1, OUTPUT);
pinMode (d2, INPUT);
distance = 0;
uint8_t data[] = { 0x0, 0x0, 0x0, 0x0 };
display.setSegments(data);
display.setBrightness(0x0f);
}
int Valued2;
void loop() {
Valued2=0;
digitalWrite(d1 , HIGH);
delay(50);
Valued2 = digitalRead(d2);
delay(50);
Serial.print("D2 Valude");
Serial.println(Valued2);
delay(100);
if (Valued2 == HIGH)
{
distance = sonar.ping_cm();
}
//else
{
Serial.println("cm");
display.showNumberDec(distance, false, 3, 1);
delay(100);
}
}
