Hi,
What port/pin does com1 use? Maybe try only setting the LED pin to output, rather than the whole portd.
Also I usually open the com port with:
Config Com1 = 9600 , Synchrone = 0 , Parity = None , Stopbits = 1 , Databits = 8
Open "COM1:" For Binary As #1
then print to the port using
print #1,"Hello world"
Regards
Ian Dobson
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