[i=s] This post was last edited by lc198818 on 2017-6-17 13:26 [/i] This is a circuit diagram of a fan speed control module. Is the timing of this circuit diagram reasonable? Is it necessary to add a ...
If my WINCE device enters Mass Storage Mode, then if the device is connected to a PC at this time, WINCE cannot recognize the contents of the Flash and SD card, and the PC (WINXP) sees the device as a...
I debugged several boards, and the other boards were all good. But one of them crashed when I left the simulator? And it didn't run when I powered it on again. Does anyone know why?...
As the title says: When the lower computer is working, it will generate a large amount of sampling data (nearly 5,000 times per second, and it may be faster if effective communication is possible). It...
. Experimental tasks As shown in Figure 4.1.1: Connect a light emitting diode L1 to the P1.0 port, so that L1 flashes on and off continuously, with a time interval of 0.2 seconds. 2. Circuit diagramF...
[align=left][color=rgb(64, 64, 64)][font=tahoma, arial, 宋体, sans-serif][font=楷体][size=3][b]ST-Link V2 STLink has full functions and can be upgraded, consistent with the original version. [/b][/size][/...
A single-chip microcomputer is also called a single-chip microcontroller. It is not a chip that completes a certain logical function, but a computer system integrated into one chip. In general, a c...[Details]
5. Identifiers and keywords of C language
A complete PIC microcontroller C language program usually consists of six parts: include files (i.e. header files 1, variable definitions, variable de...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
Abstract: In recent years, with the establishment and grid-connected power generation of a large number of solar photovoltaic power stations at home and abroad, photovoltaic grid-connected inverter...[Details]
Analysis of the three core aspects of digital TV transmission standards
According to the differences in regionality, transmission method and modulation method, the transmission method needs to...[Details]
Every time I go home and walk up the stairs, I am always scared. The corridor lights are often broken, and no one changes the bulbs, or they are not smart enough and need to be operated manually. E...[Details]
The capacity of a battery depends on the amount of charge and discharge, in addition to some factors of the battery itself. Obviously, if the charge and discharge of the battery can be recorded all...[Details]
At present,
the control system used in
automobiles
can be divided into three parts from the functional point of view:
sensor
unit, control unit and execution unit. Among them,
th...[Details]
introduction
Belt drive is a common transmission device used in industrial production. Its commonly used speed detection device is a photoelectric encoder installed at the rotating end of th...[Details]
1. Introduction
Modern modular machine tools are equipped with a large number of electronic devices to meet the requirements of processing accuracy, processing speed, etc. If the conventional ...[Details]
As a new type of centralized and decentralized elevator control system, serial communication has been widely used in China. Compared with the previous centralized and unified control system, each s...[Details]
The number of timers/counters and interrupt sources directly determines the performance of the microcontroller. The MCS-51 microcontroller has two programmable 16-bit timers/counters and five inter...[Details]
Stepper motors, also called steppers, use the principles of electromagnetism to convert electrical energy into mechanical energy and have been used since the 1920s. With the increasing popularity o...[Details]
1 Causes of problems with electric vehicle batteries
1.1 Caused by the battery itself
Why do we say that? In the previous issue, we learned about the working princi...[Details]
Lithium iron phosphate batteries are used as lithium-ion secondary batteries. Their main application is now in power batteries, which have great advantages over NI-H and Ni-Cd batteries.
Lithi...[Details]