when i run this code at device MC3090 handheld that no problem . device will pop out bluetooth UI(UI from handheld) to let me connect.
dim Comport as new serialport
dim port as string () =serialport.get portnames
for i as integer = 0 to port.length
with
with Comport
.portname=port( i)
.open
end with
writeInPrinter( ) 'send command to printer by using...
imnotghost
Last Activity: Feb 18 '19, 01:46 PM
Joined: Jan 2 '19
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keyence bt-w250 serialport problem IO Exception
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How to Send Command for any hardware device
Sorry i'm new in software connect to hardware. i have refer link from this
https://bytes.com/topic/visual-basic...help-bluetooth
and it work well and connect successfully. but the problem is when i write or send some command to device . The device no response but have connected. so actually how to send command to device?? i just use myserialport.wr ite("abc") .
Another is, i see most...
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