Section 1: Use hjkl to move your cursor
Section 2: Insert mode and how to exit VIM
Section 3: Delete command, the secret of numbers, undo and restore commands
Section 4: Paste command, replace command, replace mode and Modify commands
Section 5: File information, jumps, positioning brackets and indentation
Section 6: Search commands and replace commands
Section 7: Execute shell commands, save files as and merge files
As the title says, the normal specification check in PCB is as shown below, but I clicked the document view in the lower left corner, and then the rule check became Figure 2. Can someone teach me how
01 Introduction
ZigBee is a short-range, low-power, low-rate, low-cost wireless ad hoc network communication technology.02Network Characteristics
ZigBee network has the following characteristics: low
Brothers, I have a question for you. I used NCP1252A chip to make a dual-tube forward switching power supply. Today I measured the voltage of the chip CS pin and it reached 1.28V, but the power supply
1、watchdogtimer(WDT_A)
Watchdog timer?
Watchdog Timer 32-bit timer, can be used as a watchdog or as an interval timer.Before you watch, ask yourself a few questions
a. Does the watchdog depend on the