Opendiag OBD-II Schematics & PCB Layout
- http://www.planetfall.com/cms/content/opendiag-obd-ii-schematics-pcb-layout
- http://www.elmelectronics.com/products.html
- http://chen0203.sg1002.myweb.hinet.net/obdfiles/obdintroduction.pdf
- http://www.obdii.com/ubb/Forum1/HTML/000359.html
- http://www.blafusel.de/
OBD2 - RS232 adapter cable
- http://hem.passagen.se/tomasf/obd2/