How to communicate with OBD-II device
问题 There is OBD-II device like http://www.rczd.com/c/2015/Car_Diagnostic_Tools_0223/41193.html this device provider does not have its web page or documentation source. We have short "quick start" in box and assurance that it support OBD-II PIDs . Recently I used to follow https://en.wikipedia.org/wiki/OBD-II_PIDs#Mode_1_PID_41 The question is, if there are any general pattern how to communicate with this icar device. Before I've used to connect with (freematics)dongle that has send the stream of