The board is designed like this. STC's 5616 microcontroller uses the CH423S output port to control ULN2003 through 7404. 2003 drives the relay, and the relay model is JZX-140FF. The relay controls the
The function of the program is to collect the panel keyboard, then receive the serial communication data through interruption, and push the LCD display. But I don't understand why the program is autom
My board has three network cards. If one of the network cards is not connected to the network cable, the system will start up very slowly. How can I modify the network card driver so that the system d
[i=s]This post was last edited by heyidisk on 2017-7-9 12:09[/i] [size=3]We are all very sad about the failure of the Long March 5 launch. This is a great loss for national defense projects. When some