v1.5增加一个舵机控制前档，逐步踢球交互效果

v1.5/lib/ESP32Servo/examples/ToneExample/ToneExample.ino

@@ -0,0 +1,25 @@
+/*
+
+
+ */
+
+#include <ESP32Servo.h>
+int pin = 2;
+void setup() {
+	// Allow allocation of all timers
+	ESP32PWM::allocateTimer(0);
+	ESP32PWM::allocateTimer(1);
+	ESP32PWM::allocateTimer(2);
+	ESP32PWM::allocateTimer(3);
+	Serial.begin(115200);
+
+}
+
+void loop() {
+	tone(pin, 4186, // C
+			500); // half a second
+	tone(pin, 5274, // E
+			500); // half a second
+	delay(500);
+
+}