Amazon.com: OLLGEN 1.5M 5ft OBD2 OBDII 16 Pin Male to DB9 Serial RS232 Female Port OBD Cable Adapter Diagnostic Extension Cable Connector with Power Switch : Automotive
Dfrobot Arduino Produced Obd Ii Ttl Compatible Ttl Serial Adapter - Unknown - AliExpress
Amazon.com: SparkFun OBD-II UART : Electronics
OBD-II to TTL Adapter | ArduinoDev.com
OBD-II TTL Adapter | Famosa Studio
OBD-II Adapter for Arduino | Arduino, Obd, Raspberry computer