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dear friendchooser,
have you solved the problem??
do you use MSComm control in Visual Basic?This is standard serial communication component in Windows OS.
for send data from PC to MCU you must use MSComm.Output = string as example MSComm1.Output = "Hello MCU"
receive data from MCU you use...
Hi friendchooser,
do you have problem in visual studio or in MCU?As first you must have properly serial RS232 HW conection betwen PC and MCU.After that you must setup serial communication on boot PC and MCU - example 9600,N,8,1.
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