Thanks a lots guys for the replies.. here some details about my project, by using this RS232 serial, i've planned to done a control and monitoring;
1. i want make a control to one water pump or valve to control a water flow.
2. to control a sensor get the reading from this sensor for a humidity.
should u guys help me again.. Thanks a lots.. I've appriciate your helps guys..
Regards,
Mindmoody
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