Restore README contents and add doc for the read() call
Restore README contents and add doc for the read() call

elafargue/cordovarduino,i-mars/cordovarduino,xseignard/cordovarduino,i-mars/cordovarduino,elafargue/cordovarduino,elafargue/cordovarduino,i-mars/cordovarduino,xseignard/cordovarduino,xseignard/cordovarduino