This course provides an in-depth understanding of the knowledge points of Huawei's HCNA certification exam. The course includes: basic principles of data communication, IP address planning and design, basic VRP operations, etc.
Power-on status: slave actively broadcasts, host scans and connects to slave through AT commandAT+SCAN scanAT+CONx x is the scanned device serial number, connect the xth deviceAfter the connection is
What is the working status of TimerA during hardware debugging? Why can't I enter the interrupt service routine during single-step debugging, or can't jump out of the interrupt service routine after e
I would like to ask everyone, I want to use DeviceIoControl to modify the mac address of the emulator, and the macro I defined is # define IOCTL_VPNVMINI_MACADDR_SET \ CTL_CODE (FILE_DEVICE_UNKNOWN, 3
org 0000h/* Set the starting address of the program segment */ ljmp mainorg 000bh ljmp ctc org 0030h main:mov tmod,#01h/* set address pointer */mov th0,#3chmov tl0,#0b0hmov r2,#0ahsetb ea /*easet to 1
[p=24, null, left][color=#333333][b]1. Classification by structure [/b][/color][/p] [p=24, null, left][color=#333333] Semiconductor diodes mainly rely on PN junctions to work. Point contact type and S
I believe that those who have DIY experience have chosen switching power supplies for their own works (such as making Prusa i3 3D printers, LED dot matrix screens). But sometimes, poor-quality switchi