Hello everyone, I am developing a USB driver, using the DM9601 chip, and the basic functions have been implemented. Now the question is, how to set the speed (10M/100M) and duplex (full duplex and hal...
With the discontinuation of Samsung S3C2440 chip, Hanke timely launched the HK-008 core board to replace the S3C2440 core board. This core board is designed based on Freescale's I.MX28 processor. In o...
Reprinted from: " Using Python to control hardware 38-Measuring the resonant frequency of an object using the accelerometer ADXL335 "Physics tells us that any object will have resonance (such as the t...
[font=宋体]Recommend several good online photo albums + sticker tutorials[/font][size=10.5pt][/size] [size=10.5pt] [/size] [color=#1d580c][font=宋体][size=10.5pt]There are many external link albums, but i...
This article will show you how to use UrBackup and Linux Deploy to build a backup server on an old Android phone. The pollution problem of old phones is well known. I have an old phone. Although the s...
1. Set passwords and protection levels The system program should be set with relevant passwords or protection levels to prevent damage due to misoperation or human modification. 2. Establish rules and...
1 Introduction
A wide variety of communication cables and control cables are widely used in various instruments and control equipment. Whether the cable is well-conducted and
whether
th...[Details]
There are three types of mobile TV: one is based on analog TV broadcasting network, another is based on mobile communication network, and the other is based on digital broadcasting network. The f...[Details]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
MediaTek (2454) announced the acquisition of F-MStar (3697) and attracted the attention of IC design industry. This morning, Gartner Semiconductor Industry Research Director Hong Cenwei analyzed ...[Details]
Toyohashi University of Technology demonstrated electric field coupled wireless power supply technology using life-size car tires and roads at the wireless technology exhibition "Wireless Technolog...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
Problems such as the depletion of natural resources, air pollution, traffic congestion, and rising fossil fuel prices have forced societies and individuals to seek alternative means of transportati...[Details]
1. When the slip speed regulating motor is undergoing frequency conversion and energy saving transformation, the original excitation box (referred to as the speed regulating box) and the original s...[Details]
In today's body control module (BCM) designs, savvy engineers are moving away from electromechanical relays whenever possible. Their next step is to eliminate fuses. But is eliminating fuses a nece...[Details]
Motors, especially those with brushes, generate a lot of noise. This noise must be dealt with if the appliance is to meet the requirements of EMC standards. The means to solve EMC are nothing more ...[Details]
Introduction
X1226 has the functions of clock and calendar. The clock relies on hour, minute and second registers to track, and the calendar relies on date, week, month and year registers to tr...[Details]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]