Php or javascript to trigger com port

Hi, I can do ASAP ...I can do ASAP ...I can do ASAP ...I can do ASAP ...I can do ASAP ...I can do ASAP ...I can do ASAP ...

Hello Is your php server located on PC connected to pos machine? Do you have any documentation for pos machine? Can you provide team viewer connection to PC for testing?

Hello I have extensive experience of Web development and can serve you efficiently. Kindly share with me project brief for my better understanding. Private message me to initiate the discussion. Please share more details and I will complete this job for you. Thanks Suraj