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--- robit:sweep_n_scan [2021/02/25 13:00]
john removed
+++ — (current)
@@ Line 1: / Line 1: @@
-<file c sweep_n_scan.ino>
-#include <Servo.h>
-const int TRIG_PIN = 9;
-const int ECHO_PIN = 10;
-float inches;
-Servo myservo;
-int pos = 60;
-void setup() {
-  myservo.attach(13);
-  Serial.begin(9600);
-  pinMode(TRIG_PIN, OUTPUT);
-  digitalWrite(TRIG_PIN, LOW);
-}
-void loop() {
-  for (pos = 30; pos <= 180; pos += 15) {
-    myservo.write(pos);
-    FindRange();
-    Serial.print("Angle: ");
-    Serial.print(myservo.read());
-    Serial.print("  Distance: ");
-    Serial.println(inches);
-    delay(1000);
-  }
-  for (pos = 180; pos >= 30; pos -= 15) {
-    myservo.write(pos);
-    FindRange();
-    Serial.print("Angle: ");
-    Serial.print(myservo.read());
-    Serial.print("  Distance: ");
-    Serial.println(inches);
-    delay(1000);
-  }
-}
-float FindRange () {
-  unsigned long t1;
-  unsigned long t2;
-  unsigned long pulse_width;
-  float cm;
-  float inches;
-  // start finding the distance
-  digitalWrite(TRIG_PIN, HIGH);
-  delayMicroseconds(10);
-  digitalWrite(TRIG_PIN, LOW);
-  while ( digitalRead(ECHO_PIN) == 0 );
-  t1 = micros();
-  while ( digitalRead(ECHO_PIN) == 1);
-  t2 = micros();
-  pulse_width = t2 - t1;
-  inches = pulse_width / 148.0;
-  return inches;
-}
-</file>