badges added

Author: marabesi

README.md

@@ -2,6 +2,9 @@
 
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 If you are wondering how to control the Arduino serial port via PHP, here is the solution. 
 The **arduino://** wrapper is a easy and straightforward way to write and read data from Arduino.
@@ -15,7 +18,7 @@ to write date on Arduino serial just use the regular I/O functions in PHP such a
 
 //reads data from Arduino
 $resource = fopen('arduino://ttyUSB0', 'r+');
-print fread($resource, 1024); 
+print fread($resource, 1024);
 ```
 
 Or if you prefer, you can use **file_get_contents** and get the same result
@@ -30,7 +33,7 @@ To write data in the Arduino serial is as easy as it could be
 
 //writes data to Arduino
 $resource = fopen('arduino://ttyUSB0', 'r+');
-print fwrite('hello Arduino'); 
+print fwrite('hello Arduino');
 ```
 
 ``` php