[align=left][color=rgb(88, 88, 88)][font=Verdana, "]World Peace Group (WPI) and Jiehe Technology will jointly hold the "World Peace Group (WPI) / Jiehe Technology GDSM Visual Retail Summit" at the Ham...
[align=left] [font=宋体]Design of frequency meter[/font][/align][align=left] [font=宋体]Frequency measurement generally includes[/font] [font=宋体]direct frequency measurement method[/font] [font=宋体]period ...
Looking back at 2019, it was really sadder than ever. My mother was sick and spent the New Year in the hospital. I spent the entire holiday taking care of her in the hospital. I couldn't help but feel...
[size=4] First of all, high frequency and low frequency are relative. If the frequency is too high, then it is meaningless to make the capacitance of the capacitor larger, because, as we all know, the...
I just came into contact with FPGA, and I thought that every time FPGA is powered on, it needs to read the configuration from an external configuration chip, such as the EPCS16SI8N chip. I am curious ...
The main objects controlled in this case are the motor protector and the display and alarm of various parameters on site. The main PLC uses Siemens CPU, and the Modbus to Profinet gateway module monit...
Electromagnetic flowmeter is made according to Faraday's law of electromagnetic induction. It is used to measure the volume flow of conductive liquids with a conductivity greater than 5μs/cm. It is p...[Details]
1. Structure A single-chip microcomputer is formed by making a CPU, memory, and input/output interface in an integrated circuit. However, a single single-chip integrated circuit cannot work. S...[Details]
On March 22, Yuanrong Qixing officially released the DeepRoute-Driver3.0 (Driver3.0) intelligent driving solution, which no longer relies on high-precision maps and has no area restrictions. Accord...[Details]
In recent years, with the accelerated development of intelligence, electrification and networking, cars are transforming from a single means of transportation to a third space that integrates leisu...[Details]
//8*8 dot matrix LED display, using AT89C51 microcontroller to drive 8*8 dot matrix LED display
//Display numbers 0-9 in turn, the display method uses a right-to-left curtain display
// I packa...[Details]
Jiwei.com News: Even before the Huawei P30 series was released, it had already attracted great attention from the public. The most discussed topic is the powerful camera function of the Huawei P30 se...[Details]
0 Introduction
LCD has entered the flat panel display market first and has been expanding its application field with its low operating voltage, low power consumption, good display effect, ...[Details]
China Energy Storage Network News:
Notice on Further Improving the Peak and Valley Time-of-Use Electricity Prices of Qinghai Power Grid
(Draft for comments)
In order to utilize ...[Details]
As CAN bus is increasingly used in electric vehicles, charging piles, power electronics, rail transit and other places with harsh electromagnetic environments, the problem of signal interference has ...[Details]
The full name of High Definition Multimedia Interface in English is High.Definition.Media.Interface (referred to as HDMI). It is a fully digital audio and video transmission interface. Because HDMI c...[Details]
The core of the linear regulator is to use a power transistor or MOSFET working in the linear region as a dynamically adjustable resistor to control the load. There are two types of linear regulators:...[Details]
Divide the coil into two parts: the coil and the electric shock. Use electricity to block the resistance. You can simply measure the resistance of the coil. Generally, it is tens to thousands of ohms...[Details]
Steps to use STM32RTC: Enable PWR clock and Backup area data access If using an external low-speed clock (LSE), turn on the LSE and wait for it to start oscillating. Select and turn on the RTC c...[Details]
0 Introduction
The traditional method of automobile exhaust detection uses chassis dynamometer testing. The working principle of this method is: indoors, combined with chassis dynamometer and...[Details]
Temperature sensor is a sensor for measuring temperature, which is widely used in industry, scientific research, medical treatment and other fields. According to the different wiring methods, tempe...[Details]