USB转K线的原理图。适合于做汽车尤其是24V柴油车的故障诊断仪。-schematic for usb to kwp2000, it is useful for those want to develop the automotive scan tool.

缠论，通达信软件上将K线包含处理，可以在主图上显示，也可以在副图上显示，看个人喜好。-On the winding, Mastery letter software in terms of K line includes processing，a simple indicator for Tong Da Xin stock software.