USB to serial interface schematic

[1slowbusa]

Does anyone have a usb to serial DIY Schematic for ecu flashing?

 

[tnarmyng]

Arise! Love again ye old thread!

Thought.. Z3X: phone flashing software with a (bypassable, not req.) interface.

OP asked about USB to serial... hmm. I've got something that does that lol

Now, I'm willing to bet I can use it to flash my Gen 1.