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arduino-cli/libraries/Ultrasonic/examples/MultipleUltrasonicSensors/MultipleUltrasonicSensors.ino

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+/*
+ * Miltiple Ultrasonic Sensors
+ * Prints the distance read by many ultrasonic sensors in
+ * centimeters and inches. They are supported to four pins
+ * ultrasound sensors (liek HC-SC04) and three pins
+ * (like PING))) and Seeed Studio sensors).
+ *
+ * The circuit:
+ * * In this circuit there is an ultrasonic module HC-SC04,
+ *   PING))) and a Seeed Studio (4 pins, 3 pins, 3 pins,
+ *   respectively), attached to digital pins as follows:
+ * ---------------------     ---------------------     -------------------
+ * | HC-SC04 | Arduino |     | PING))) | Arduino |     | Seeed | Arduino |
+ * ---------------------     ---------------------     -------------------
+ * |   Vcc   |   5V    |     |   Vcc   |   5V    |     |  Vcc  |   5V    |
+ * |   Trig  |   12    | AND |   SIG   |   10    | AND |  SIG  |    8    |
+ * |   Echo  |   13    |     |   Gnd   |   GND   |     |  Gnd  |   GND   |
+ * |   Gnd   |   GND   |     ---------------------     -------------------
+ * ---------------------
+ * Note: You do not obligatorily need to use the pins defined above
+ * 
+ * By default, the distance returned by the read()
+ * method is in centimeters. To get the distance in inches,
+ * pass INC as a parameter.
+ * Example: ultrasonic.read(INC)
+ *
+ * created 3 Mar 2017
+ * by Erick Simões (github: @ErickSimoes | twitter: @AloErickSimoes)
+ * modified 11 Jun 2018
+ * by Erick Simões (github: @ErickSimoes | twitter: @AloErickSimoes)
+ *
+ * This example code is released into the MIT License.
+ */
+
+#include <Ultrasonic.h>
+
+Ultrasonic ultrasonic1(12, 13);	// An ultrasonic sensor HC-04
+Ultrasonic ultrasonic2(10);		// An ultrasonic sensor PING)))
+Ultrasonic ultrasonic3(8);		// An Seeed Studio ultrasonic sensor
+
+
+void setup() {
+  Serial.begin(9600);
+}
+
+void loop() {
+  Serial.print("Sensor 01: ");
+  Serial.print(ultrasonic1.read()); // Prints the distance on the default unit (centimeters)
+  Serial.println("cm");
+
+  Serial.print("Sensor 02: ");
+  Serial.print(ultrasonic2.read(CM)); // Prints the distance making the unit explicit
+  Serial.println("cm");
+
+  Serial.print("Sensor 03: ");
+  Serial.print(ultrasonic3.read(INC)); // Prints the distance in inches
+  Serial.println("inc");
+
+  delay(1000);
+}

arduino-cli/libraries/Ultrasonic/examples/Timeout/Timeout.ino

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+/*
+ * Timeout
+ * Prints the distance read by an ultrasonic sensor in
+ * centimeters and change the default timeout. They are
+ * supported to four pins ultrasound sensors (liek HC-SC04)
+ * and three pins (like PING))) and Seeed Studio sensors).
+ *
+ * The circuit:
+ * * Module HR-SC04 (four pins) or PING))) (and other with
+ *   three pins), attached to digital pins as follows:
+ * ---------------------    --------------------
+ * | HC-SC04 | Arduino |    | 3 pins | Arduino |
+ * ---------------------    --------------------
+ * |   Vcc   |   5V    |    |   Vcc  |   5V    |
+ * |   Trig  |   12    | OR |   SIG  |   13    |
+ * |   Echo  |   13    |    |   Gnd  |   GND   |
+ * |   Gnd   |   GND   |    --------------------
+ * ---------------------
+ * Note: You do not obligatorily need to use the pins defined above
+ * 
+ * By default, the distance returned by the read()
+ * method is in centimeters. To get the distance in inches,
+ * pass INC as a parameter.
+ * Example: ultrasonic.read(INC)
+ *
+ * created 11 Jun 2018
+ * by Erick Simões (github: @ErickSimoes | twitter: @AloErickSimoes)
+ *
+ * This example code is released into the MIT License.
+ */
+
+ #include <Ultrasonic.h>
+
+/**
+ * Is possible set the timeout in the constructor, like:
+ * Ultrasonic ultrasonic(12, 13, 20000UL);
+ */
+Ultrasonic ultrasonic(12, 13);
+
+void setup() {
+  Serial.begin(9600);
+  ultrasonic.setTimeout(40000UL);
+}
+
+void loop() {
+  Serial.print("Distance in CM: ");
+  Serial.println(ultrasonic.read());
+  delay(1000);
+}

arduino-cli/libraries/Ultrasonic/examples/UltrasonicSimple/UltrasonicSimple.ino

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+/*
+ * Ultrasonic Simple
+ * Prints the distance read by an ultrasonic sensor in
+ * centimeters. They are supported to four pins ultrasound
+ * sensors (liek HC-SC04) and three pins (like PING)))
+ * and Seeed Studio sensors).
+ *
+ * The circuit:
+ * * Module HR-SC04 (four pins) or PING))) (and other with
+ *   three pins), attached to digital pins as follows:
+ * ---------------------    --------------------
+ * | HC-SC04 | Arduino |    | 3 pins | Arduino |
+ * ---------------------    --------------------
+ * |   Vcc   |   5V    |    |   Vcc  |   5V    |
+ * |   Trig  |   12    | OR |   SIG  |   13    |
+ * |   Echo  |   13    |    |   Gnd  |   GND   |
+ * |   Gnd   |   GND   |    --------------------
+ * ---------------------
+ * Note: You do not obligatorily need to use the pins defined above
+ * 
+ * By default, the distance returned by the read()
+ * method is in centimeters. To get the distance in inches,
+ * pass INC as a parameter.
+ * Example: ultrasonic.read(INC)
+ *
+ * created 3 Apr 2014
+ * by Erick Simões (github: @ErickSimoes | twitter: @AloErickSimoes)
+ * modified 23 Jan 2017
+ * by Erick Simões (github: @ErickSimoes | twitter: @AloErickSimoes)
+ * modified 03 Mar 2017
+ * by Erick Simões (github: @ErickSimoes | twitter: @AloErickSimoes)
+ * modified 11 Jun 2018
+ * by Erick Simões (github: @ErickSimoes | twitter: @AloErickSimoes)
+ *
+ * This example code is released into the MIT License.
+ */
+
+#include <Ultrasonic.h>
+
+/*
+ * Pass as a parameter the trigger and echo pin, respectively,
+ * or only the signal pin (for sensors 3 pins), like:
+ * Ultrasonic ultrasonic(13);
+ */
+Ultrasonic ultrasonic(12, 13);
+int distance;
+
+void setup() {
+  Serial.begin(9600);
+}
+
+void loop() {
+  // Pass INC as a parameter to get the distance in inches
+  distance = ultrasonic.read();
+  
+  Serial.print("Distance in CM: ");
+  Serial.println(distance);
+  delay(1000);
+}