Profile: Photo-Tron Corp. specializes in PCB design, electronic assembly, prototypes, custom cables, harnesses, test boxes and simulators. We build custom electronic equipment for the automotive, medical, aerospace and entertainment industries. We design and build custom test boxes and simulators used in manufacturing & automotive applications. Autodata Link is an OBD2 interface device capable of communicating with a vehicles on-board computer. It translates OBD2 protocol data into an analog voltage and variable frequency output, to provide a simple and robust interface between the car computer and various analyzer and monitoring tools.