Interface KKL

IP: *.neoplus.adsl.tpnet.pl 02.02.06, 18:42
Hello i need a circuit to build a KKL interface to connect the OBD2 port from a car to the Com Port (USB) from a PC.
I need project pcb and schematics Where can I find on net (KKL schematics) ? Can anyone help? please.
Thanks.
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