In daily work, people often ask what is the difference between serial port LCD and parallel port LCD? Let's take a look at these aspects:Internal structure:The parallel port LCD module is mainly compo...
Function and characteristicsOn PCBs, nickel is used as a substrate coating for precious metals and base metals. At the same time, for some single-sided printed circuit boards, nickel is also often use...
I was looked at with tinted glasses for 20 years - I grew up to be a garbage collector
20 years later, I passed the exam to work in a public institution through my own efforts. Now I am working in a s...
[i=s]This post was last edited by ddllxxrr on 2019-4-27 20:26[/i] From Chapter 17 to Chapter 24 of this book, I think I just glanced at them. What has puzzled me for many years is not the problems in ...
Highly integrated power management chips can enhance the performance of multi-core processors. The massive introduction of multi-core processors in mobile devices has led to changes in the power de...[Details]
For digital circuit designers, the inductance of vias is more important than capacitance. Every via has a parasitic series inductance. Because the physical structure of the via is small, its chara...[Details]
u-boot is a Bootloader commonly used in embedded systems.
Bootloader Introduction
Bootloader is a concept that you will inevitably encounter when doing embedded development. It is an impo...[Details]
The goal of this article is to complete the porting of mini2440 so that uboot can run normally on mini2440. 1. Establish the development environment of mini2440. uboot supports many CPUs, includi...[Details]
In order to realize the online programming of Freescale's HCS12 series MCU, a universal programmer was designed through software architecture and portability. Through many early programming exper...[Details]
According to foreign media reports, MAHLE Powertrain, a wholly owned engineering service division of MAHLE, Germany, has launched a new 48V battery that can be used in mild hybrid electric vehicles t...[Details]
To measure the charge of a dry cell battery, it is necessary to connect a load resistor at both ends of the battery to be tested so that it can be measured in a discharged state. The attached figure i...[Details]
Photo | Zhou Yuxiang working in the workshop Although the current smart manufacturing track is very hot, Heihu Intelligent Manufacturing was not "starting a business on the cusp of the trend" at t...[Details]
Remote magnetic float level gauges should be relatively unfamiliar to those who are not familiar with them. However, they are widely used in the field of level measurement, playing an important role ...[Details]
With the development of measuring instruments, various types of level gauges have emerged, including glass plate level gauges made by the principle of communicating vessels, magnetic flap level gauges...[Details]
The international semiconductor industry, which is already in the cold winter, has been hit frequently by the changing international political situation. As Japan's tightening export restrictions o...[Details]
Use 4 buttons to control the content displayed on the digital tube
#include reg51.h
#define duan P0 //segment selection
#define wei P2 //bit selection
unsigned char code wei1 = {
0xfe,0xfd,0xfb,...[Details]
Robots have been around in the industrial sector for decades, but technological innovation is driving a whole new wave of factory automation trends. For small businesses that once could...[Details]
On July 8, according to the Economic Daily, the industry has heard that in order to cope with the tariff trade war in various regions, Apple has asked Hon Hai Group to assemble this year's latest iPh...[Details]
The servo motor acceleration and reduction system is a common transmission device in the field of modern industrial automation. It achieves precise control of the load by converting the high-speed ...[Details]