When I dial up to the Internet with CDMA in Wince 5.0, it prompts that the port opening fails. Do I need to power the CDMA first when dialing? If so, how do I power it?
[img]file:///C:\Usersain\AppData\Roaming\Tencent\Users\1061862232\QQ\WinTemp\RichOle\$F9{79B`]L{~%5OCNWPFKM8.png[/img]Help! Why is it that when I use a triode to make a Class A amplifier, the input AC
main() { while(1) { If there is a serial port interrupt, fill this byte into the buffer; if (the buffer is already a complete frame) process (display); if (there is a keyboard interrupt) process the k
Background: In order to coordinate the more comprehensive knowledge points of circuit design, I will introduce various commonly used devices and design concepts in circuit design in the near future, s
[color=#3e3e3e]The above picture is the SD card holder that we usually buy in the electronic market. Its appearance and size are as follows:[/color] [color=#3e3e3e][/color] [color=#3e3e3e]The PCB size