USB 2.0 has three speeds: LS (Low Speed) 1.5Mbps FS (Full Speed) 12Mbps HS (High Speed) 480Mbps LS is mainly used in low-end keyboards and mice. The actual speed is very low. It is not recommended exc...
I am looking for a design paper on dot matrix display screen based on single chip microcomputer. If you are interested, please contact QQ1210979462. I will chat on QQ about the salary!...
Graduation thesis for an in-service master, the design requirements for the drive power supply of a stepper motor are as follows: 1. The control circuit, drive circuit and other related circuits of th...
At that time, the company recruited a large number of new people who had just graduated from undergraduate and graduate schools. The average age was 25 years old. The new assistant was a girl I person...
As the title says, if the wiring is a single-sided board on one side and a double-sided board on the other two sides, how can we tell whether it is a four-layer board or an eight-layer board? Or more?...
Today we analyze LIS2DW12, simulate the IIC interface, and verify the ID first:uint8_t LIS2DW12_Read_Date(uint8_t SlaveAddress, uint8_t RegAddress)
{uint8_t recvDate;uint8_t succ, stime=0;I2C_Start();...
Assume that data is read from 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad();
1. Limited secondary filtering
/* A value can be adjust...[Details]
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
Floating-point digital signal processing has become a constant requirement for precision technology, often in applications requiring high accuracy in areas such as aviation, industrial machinery, a...[Details]
1 Introduction
Solar street lights are mainly composed of four parts: solar photovoltaic cell components, batteries, charge and discharge controllers, and lighting fixtures. The bo...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
Since the No. 4 blast furnace of Handan Iron and Steel was put into operation in 1993, its external equipment has been seriously aged, and the original PLC control system TDC3000 of the hot blast furn...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
Overview
In spectral measurement, photomultiplier tubes (PMT) and charge-coupled devices (CCD) are often used as photoelectric converters. PMT is used in slow-changing, high-precision spectral...[Details]
System Overview
The system consists of a signal preprocessing circuit, a single-chip computer AT89C2051, a systematic LED display module, a serial port data storage circuit and system software...[Details]
0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
The DisplayPort interface standard is approved by the Video Electronics Standards Association (VESA) to provide an open, scalable standard for the entire industry. The development of DisplayPort ca...[Details]
One in five car failures are caused by batteries, a problem that will become more serious in the coming years as electric-by-wire, start/stop engine management and hybrid (electric/gas) vehicles be...[Details]
Embedded System
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