The circuit shown in the figure is powered by a single power supply. It can amplify when the input is a square wave signal of -25~+25mV, but there is no output when the input is 0~50mv (with DC compon
My Linux kernel version is 2.6, and the kernel boot parameters are Linux command line: noinitrd root=/dev/mtdblock2 init=/linuxrc console=ttySAC0, which means that the third partition of mtd is used a
Are there any 51 beginners in the forum who need a serial to USB data cable? Please sign up to organize a group purchase. My desktop computer at home has a serial port and a parallel port, but the lap
The RTCC register of this chip does not have RTCVHLL and RTCVALH, but only RTCVAL, which can only be controlled by operating the RTCPTR bits in RCFGCAL. 11 Year 10 Month and day 01 Week and hour 00 Mi