Tasmota/lib/NewPing-1.9.1/examples/NewPing3Sensors/NewPing3Sensors.pde

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// ---------------------------------------------------------------------------
// Example NewPing library sketch that pings 3 sensors 20 times a second.
// ---------------------------------------------------------------------------
#include <NewPing.h>
#define SONAR_NUM 3 // Number of sensors.
#define MAX_DISTANCE 200 // Maximum distance (in cm) to ping.
NewPing sonar[SONAR_NUM] = { // Sensor object array.
NewPing(4, 5, MAX_DISTANCE), // Each sensor's trigger pin, echo pin, and max distance to ping.
NewPing(6, 7, MAX_DISTANCE),
NewPing(8, 9, MAX_DISTANCE)
};
void setup() {
Serial.begin(115200); // Open serial monitor at 115200 baud to see ping results.
}
void loop() {
for (uint8_t i = 0; i < SONAR_NUM; i++) { // Loop through each sensor and display results.
delay(50); // Wait 50ms between pings (about 20 pings/sec). 29ms should be the shortest delay between pings.
Serial.print(i);
Serial.print("=");
Serial.print(sonar[i].ping_cm());
Serial.print("cm ");
}
Serial.println();
}