Anyone have good shematic for K-line cable

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BlackT

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	Anyone have good shematic for K-line cable « on: May 25, 2022, 01:45:02 PM »

Okay I am sick of bad cables, in last 2-years anything I buy is a pice of sxxt
So I want to make my own, I have few FT232RL chips and what next? To convert rx tx to K-line with transistors, OP AMP or to buy some special IC for that?
I need something that does not dissconect when there is a full moon or star is aligment in some special order


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BlackT

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	Re: Anyone have good shematic for K-line cable « Reply #1 on: May 26, 2022, 01:37:17 PM »

For K line to serial I think 9241A would be good choice
Does FTDI need some speial programing?


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canibeanartist

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	Anyone have good shematic for K-line cable « Reply #2 on: May 27, 2022, 03:28:00 PM »

LM339 or a couple NPN transistors should work. I'll see if I have any schematics readily available.

Edit: check out this link, https://pinoutguide.com/CarElectronics/obd2_simple_cable_pinout.shtml


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onepound

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	Re: Anyone have good shematic for K-line cable « Reply #3 on: August 13, 2024, 01:38:43 PM »

these look like they'd do as a starting point:


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