It works well with the Sparkfun OBD2 UART module.
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Product details
Brand: Cheery Technology LTD
Once you've hacked everything, why not take it outside and hack your car? This cable enables access to the pins on your car's OBD-II connector. It has an OBDII connector on one end and a DE9 (or "DB9") female serial connector on the other. The overall length of the cable is 5'. Note: This cable is not meant to be plugged directly into a computer's serial port. It is designed to connect to a specific hardware interface. Here is the basic pinout (OBDII > DE9 Female) Pin Description OBDII DE9 J1850 BUS+ 2 7 Chassis Ground 4 2 Signal Ground 5 1 CAN High J-2284 6 3 ISO 9141-2 K Line 7 4 J1850 BUS- 10 6 CAN Low J-2284 14 5 ISO 9141-2 L Line 15 8 Battery Power 16 9 Documents: Pinout Diagram
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