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How to convert parallel to usb port in usb willem program.?

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tps_star

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ch341a

hi
my willem programmer work with parallel port
i need schematic for convert parallel port to usb port in the main programmer same as usb willem programmer
please helpme
thancks
 

tps_star

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winchiphead lpt port -serial

please helpme
i will used USB communication ic for this programmer
and need number USB communication ic and schematic for use
 

Fernando Vasquez

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buy ch341a

You can buy an USB to parallel port converter, it's not expensive, i guess it's more expensive to make it
 

surfman

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usb willem

I tried to run willem programmer thru USB to LPT but not worked. Willem requires direct access to LPT for example LPT1: I/O port 0x378, USB emulation don't use I/O Port, only exist Label LPT1.
 

nandhu015

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Re: usb willem

Yes, usb to lpt converter will work only with printers. I too had this problem.

There is a circuit which uses a atmega8 in usb to parrallel converter. use google.

Regards
Nandhu
 

D_A_V_E

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Re: usb willem

Check FTDI they have got easy to use devices
 

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