/* This program can read the root directory of a FAT16 file system USB flash drive with 180 lines of C code. You can see the file name under the root directory and display the content of the first fil...
Changing the duty cycle of the PWM wave can make the motor rotate, and changing the period of the PWM wave canadjust the speed. If the period is 500, what will be the difference if I change the duty c...
1.Development history of programmable logic devices
Today's society is a digital society, and it is a society where digital integrated circuits are widely used. Digital integrated circuits themselves ...
[align=left][color=rgb(25, 25, 25)][font=微软雅黑][size=4]On July 3, the Fuzhou Intermediate People's Court ruled to issue an "interim injunction" against the US chip giant Micron. Some US flash memory SS...
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]
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
Nowadays, more and more people have digital cameras. The convenience and speed of digital cameras have gradually replaced film cameras and become the main tool for people's daily photography. The n...[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]
Improving the coordination of material handling and internal transportation between departments in modern factories is an important measure to achieve full automation of production. Traditional mat...[Details]
According to a survey by the International Energy Agency, Asia and Australia used 1.65 trillion liters of oil for energy in 2004. The survey also showed that since 1990, the demand for oil has been...[Details]
1 Introduction
With the rapid development of the national economy, AC motors have played an extremely important role in industrial production. As the main traction motor in various industries,...[Details]
1. What is the difference between the continuous output power and the peak output power of a power inverter?
Continuous power and peak power differ in the meaning they express.
Continuous...[Details]
Communication protocol: The first byte, MSB is 1, which is the first byte mark, the second byte, MSB is 0, which is the non-first byte mark, and so on... The last byte is the XOR checksum of the la...[Details]
The treatment capacity of a sewage treatment plant in Shanghai is 10,000 m³/day, and the number of monitoring points is not large. The selection of S7-300 PLC plus Beijing Dingshi DS300B distributed I...[Details]
1. Preparation of electrodes
(1) Raw material pretreatment
Before the experiment, the positive electrode material LiFePO4, acetylene black and adhesive were vacuum dried at 120°C for 12 h...[Details]
1 Introduction to Wireless Broadband Communications
Since the IEEE802 working group formulated the 802-11 wireless LAN standard in 1997, wireless broadband communication based on WLAN technolo...[Details]
1. Reliability and lifespan
The expected lifespan of an LED is 50,000 hours, compared to 20,000 hours for a halogen lamp and 3,000 hours for a tungsten incandescent lamp. Compared to incandes...[Details]
0 Introduction
Dynamic testing technology is a comprehensive technology that aims to capture and process various dynamic information. It plays an important role in contemporary science and t...[Details]
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