The operational amplifier in the figure is powered by a single power supply, with a resistor of 10K and a capacitor of 10nF. When R1C1=R2C2=R3C3, the frequency generated by the circuit is 1/2*Pi*R*C=1
Use the upper computer to send"a123456789012345678901234567890" (serial debugging tool, ascii code)The lower computer responds with a serial port interrupt.When "a" is received, the following 30 data
In WinCE, when the program runs to bot.cpp, dwRet = g_pUfnFuncs->lpStart(g_hDevice, BOT_DeviceNotify, NULL, &g_hDefaultPipe); if (dwRet != ERROR_SUCCESS) { ERRORMSG(1, (_T("%s Device controller failed
No matter it is the basic function of int13h or the extended function, how many sectors can be read at one time? I tried it, and when I read 100 sectors, an error message was given. The cf returned wa
How to develop a USB mouse driver? What is its development process? Can anyone recommend any good information? Thank you! ! ! ! ! ! And what mouse information do I need to obtain? Thank you! ! ! ! !