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reading and writing to a COM Port (RS232)

Posted: Sat Feb 12, 2011 7:27 am
by carl.bonifacio
ive been searching for a code or class that could read / write from a serial port.

the scenario is, i have a scale device, i read its super old documentation in which i have to send a HEX code for reading before the device sends the weight in HEX code format.

i was wondering can PHP send the code to the scale and catch the corresponding weight as well.

thanks in advance