I bought it for more than a year and haven't powered it up once. Alas, instead of letting it gather dust, I might as well pass it on to someone who needs it. Elite version + 4.3 inches + CAN/RS485 mod...
After 15 days of debugging, I finally got it working. I just got online. I would like to thank midsky for his help. He provided the correct assembly program and most importantly, made me sure that the...
The circuit board is mainly composed of differential op amp + 1 dual-channel AD, 6 DA (AD9707) + differential op amp and sp6-FPGA. The DA module test method is: generate sine waves of different freque...
The nested interrupt system NVIC and RCC of STM32 are organized in detail using the latest 3.5 library of stm32f103. I. Overview: 1. The concept of priority in STM32 (Cortex-M3) There are two concepts...
In a sub-function, an array Time is defined, and then a value is assigned to Time as shown in the figure. However, when the program is compiled, a warning as shown in the figure appears. I don't under...
The function that uses pointer as parameter is as follows: void write_data(uint16 addr,uint8 *s,uint8 n) { uint8 temp,addrH,addrL; temp=addr; writebyte(0xA0); addrH=temp/256; writebyte(addrH); addrL=t...
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[Details]
This paper establishes a fuel cell engine test platform based on the NI integrated hardware and software environment. This platform can realize the test and control of fuel cell engines and their a...[Details]
Images in science fiction movies often break through the limits of reality, such as in the movie "Minority Report." Tom Cruise uses a multi-touch screen to browse information. Capacitive sensing te...[Details]
Editor's note: In order to help technicians or engineers who have knowledge of PIC microcontroller assembly language quickly master the method of using C language to program PIC microcontrollers, t...[Details]
Xiaomi, a well-known Internet phone in mainland China, won a million-unit order contract from China Unicom on November 20 last year, which made Xiaomi famous in mainland China. In April this year...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
1 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[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]
With the continuous development of integrated circuit technology, integrated circuits have developed from thousands of gates to the current level of millions and tens of millions of gates. The applica...[Details]
When designing a PLC system, the control scheme should be determined first, and the next step is to select the PLC engineering design. The characteristics of the process and the application require...[Details]
System Block Diagram
The system uses DSP56F826 chip as the core control module and CMOS digital image sensor chip. The image acquisition resolution can reach 640×480 pixels. When high-re...[Details]
1 Introduction
The ball nut is the internal thread element of the ball screw pair. Its precision directly affects the transmission quality of the ball screw pair. Due to its advantages such as...[Details]
introduction
As the application of single-chip microcomputers in various fields becomes more and more extensive, the requirements for their reliability are also getting higher and higher. The ...[Details]
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