Init commit with many years of arduino sketches and projects. I dont know if the esp8266 includes much, but there are also libraries. I hope they dont have crazy automatic versioning through the Arduino IDE.

Projects/libraries/Installed_libs/NewPing/examples/NewPingExample/NewPingExample.ino

@@ -0,0 +1,23 @@
+// ---------------------------------------------------------------------------
+// Example NewPing library sketch that does a ping about 20 times per second.
+// ---------------------------------------------------------------------------
+
+#include <NewPing.h>
+
+#define TRIGGER_PIN  12  // Arduino pin tied to trigger pin on the ultrasonic sensor.
+#define ECHO_PIN     11  // Arduino pin tied to echo pin on the ultrasonic sensor.
+#define MAX_DISTANCE 200 // Maximum distance we want to ping for (in centimeters). Maximum sensor distance is rated at 400-500cm.
+
+NewPing sonar(TRIGGER_PIN, ECHO_PIN, MAX_DISTANCE); // NewPing setup of pins and maximum distance.
+
+void setup() {
+  Serial.begin(115200); // Open serial monitor at 115200 baud to see ping results.
+}
+
+void loop() {
+  delay(50);                      // Wait 50ms between pings (about 20 pings/sec). 29ms should be the shortest delay between pings.
+  unsigned int uS = sonar.ping(); // Send ping, get ping time in microseconds (uS).
+  Serial.print("Ping: ");
+  Serial.print(uS / US_ROUNDTRIP_CM); // Convert ping time to distance in cm and print result (0 = outside set distance range)
+  Serial.println("cm");
+}