Introduction - If you have any usage issues, please Google them yourself
(a) OCMJ8X15D touch screen is controlled by internal controller module, (2) OCMJ15X20D (V3.2) is to use ADS7843 control, the controller has been integrated in the module, the module has been set aside ADS7843 line for customers to use (OCMJ15X20D J5 on foot),