Generator Arduino Controller

i just try to help other,
this generator output as php script.

link to this generator :
Step by step :

how its work
this script write to Com Port as you set,
and read from Com Port

example :
i upload on my arduino :

if (val == 'w'){
Serial.println("Robot Forward");

so i set on Generator Controller output
to "w" then when button "w" press script will write -> w to comport
and bot working as set on your sketch

Go to Generator Arduino
Check Faq

this Generator not help much but just reference for your project,
any suggestion will help me,
sorry for any mistake,