Pin 7: K-line bidirectional for communication ISO 9141-2 (Asynchronous serial communication at 10.4 Kbaud) OBD2 - specifically that used in Jap cars is 12v High 0v Low logic: I've just assumed a 5v source in the diagram, on the actual board I took 12v from the diagnostics plug and regulated it down to 5v. This setup hooked in to the com port on a PC. All that you'd need to do is remove the max232 chip and replace it with the AVR. here's the first setup that I used (before switching to USB). Is SSM or OBDII TTL levels? Cant seem to figure it out
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |