premelec
Senior Member
My old computer died and I fired up another old computer which doesn't have D9 serial but does have parallel port D25 - showing up as COM3 and works on a printer... I tied wiring a stereo plug to 25 Pin 3 - 2 - 7 RD-TD-SG [2-3-5 RD-SD-SG ON D9] - didn't work - I tried reversing 2 & 3 and that also didn't work [I didn't think it would...].
Is there some reason I can't use D25 pins to program my PICAXEs? I tried various USB to D9 converters which also don't work - I've got an old laptop that I can use but am wondering why the parallel port doesn't work...
Thanks!
PS Plug - [hope I got that right!]
TIP=Ground
RING=SERIN
SLEEVE=SEROUT
Is there some reason I can't use D25 pins to program my PICAXEs? I tried various USB to D9 converters which also don't work - I've got an old laptop that I can use but am wondering why the parallel port doesn't work...
Thanks!
PS Plug - [hope I got that right!]
TIP=Ground
RING=SERIN
SLEEVE=SEROUT
Last edited: