小弟去下載USB的3.3.0的資料庫,裡面有EVAL的Virtual COM Port程式,想要一直到我的板子上,對照了電路圖,小弟的板子不是市面上的開發板,用的IC是STM32F102R8,USB的PULL UP控制是在PB9,照原本的是設定在platform_config.h裡設定是PD9,把它修改成PB9後變成一直在卡在USB中斷那邊,後來追到stm3210b_eval.h裡的PB9有重複定...
Let me talk about the problem first... It's the problem in the matrix inversion scanning function... The source function is as follows... unsigned char KeyScan(void) //Keyboard scanning function, usin...
The project requires that the routing and terminal nodes be selected by the program. Can zstack support this function?
By modifying the code, in routing mode, debugging found that the program cannot e...
The efficiency curve of the BUCK buck board (36V, 48V, 60V to 12V 15A) using ON Semiconductor's (actually it has nothing to do with ON Semiconductor, other companies are also fine) UC3843 is measured....
I want to use the video surveillance client on a smartphone. Now I can implement functions such as video browsing and recording on the server and client side under ordinary WinForm (C#.Net); but when ...
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[Details]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[Details]
Capacitance Measurement
Used to verify that capacitors meet the manufacturer's specifications. For quality control, a group of capacitors may be placed in an environmental chamber and the cap...[Details]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, this proportion may be as high as 30-40% as more safety electronics, fuel consumption and ...[Details]
Introduction
Automakers are working to reduce vehicle weight to reduce CO2 emissions and improve fuel efficiency. Designers are therefore seeking new technologies and design techniques that can...[Details]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
With the continuous advancement of various technologies in the field of measurement and control, the baseband subsystem of general measurement and control equipment has entered the fourth generation o...[Details]
The invention of the steam engine ushered in the first conversion of internal energy and mechanical energy for mankind, and the birth of the internal combustion engine at the end of the 19th centur...[Details]
Abstract: Based on the ZigBee parking lot SMS car search system, the location of the vehicle in the parking lot is sent to the owner through SMS, which is convenient for the owner to quickly find ...[Details]
At present, with the diversification of portable products and the almost harsh requirements for audio and video parts, the power consumption requirements of the whole machine have been raised to a ...[Details]
It should be understood as follows: DC-DC means direct current to direct current (conversion of different DC power values). Anything that meets this definition can be called a DC-DC converter, incl...[Details]
1. Introduction
AS-Interface bus technology is an intelligent network that uses a single cable to connect sensors and actuators to controllers, transmit data, and provide power. It can be used...[Details]
0 Introduction
With the development of virtual instrument technology, new measurement and control methods that use "virtual instruments" to replace traditional instruments are replacing trad...[Details]
1 Introduction
With the rapid development of my country's economy, the country has introduced a series of policies such as preferential policies, subsidy policies, and old-for-new policies, wh...[Details]