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/Servo_Sweep/Servo_Sweep.ino

@@ -0,0 +1,29 @@
+// Sweep
+// by BARRAGAN  
+
+#include <Servo.h> 
+ 
+Servo myservo;  // create servo object to control a servo 
+                // a maximum of eight servo objects can be created 
+ 
+int pos = 0;    // variable to store the servo position 
+ 
+void setup() 
+{ 
+  myservo.attach(9);  // attaches the servo on pin 9 to the servo object 
+} 
+ 
+ 
+void loop() 
+{ 
+  for(pos = 0; pos < 180; pos += 1)  // goes from 0 degrees to 180 degrees 
+  {                                  // in steps of 1 degree 
+    myservo.write(pos);              // tell servo to go to position in variable 'pos' 
+    delay(15);                       // waits 15ms for the servo to reach the position 
+  } 
+  for(pos = 180; pos>=1; pos-=1)     // goes from 180 degrees to 0 degrees 
+  {                                
+    myservo.write(pos);              // tell servo to go to position in variable 'pos' 
+    delay(15);                       // waits 15ms for the servo to reach the position 
+  } 
+}