I remember a scene like this: An elderly person was at home taking care of a child. The child suddenly had a fever and was at a loss as to what medicine to take. After that, the child's mother used la
Dual network cards are redundant and fault-tolerant, with the same IP and MAC address. One is working and the other is hot standby. When switching is needed, passthru obtains the MAC address of one ne
December 21, 2012 is the end of the Mayan calendar, also known as the "end of the world". However, due to the time difference, China entered the "end of the world" at 3:14:35 pm on December 21, Beijin
[i=s] This post was last edited by mzb2012 on 2018-6-28 11:01 [/i] Now I need to customize a PCB, the length is 920X200mm, and the board needs to be made with holes and pads. Does anyone know who can