A word in advance: Many friends may take a detour on the road of learning 51, and many friends will ask questions such as how to learn and what to learn. Due to the large number of posts in the forum,...
I referred to method 6 of [url=https://bbs.eeworld.com.cn/thread-432698-1-1.html]https://bbs.eeworld.com.cn/thread-432698-1-1.html[/url] and followed the steps completely, but still cannot achieve aut...
In large: void Write_Flash_address (unsigned char block,unsigned int startaddress,unsigned char *p,unsigned int len) { unsigned int i=0; unsigned char SFRP_SAVE = SFRPAGE; // Save Current SFR page pwr...
[size=4]1 Introduction[/size] [size=4] [/size] [size=4] Space optical communication uses laser as carrier. Compared with traditional microwave communication, space optical communication has the advant...
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]
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[Details]
Features
POE technology can ensure the safety of existing structured cabling while ensuring the normal operation of the existing network and minimizing costs. The IEEE 802.3af standard is ...[Details]
Current
measurement:
Magnetic balance Hall current
sensor
is used
. The sensor can measure AC from DC to 100kHz.
In automatic measurement and control systems, it is often nec...[Details]
UDN2916LB is a two-phase stepper motor bipolar driver integrated circuit launched by SANKEN. It can drive dual-winding bipolar stepper motors and is particularly suitable for controlling dual-step ...[Details]
In the development direction of the automotive industry, electric vehicles (EV) and hybrid electric vehicles (HEV) are becoming an obvious trend. From a technical point of view, hybrid power is mor...[Details]
1 Overview
As a driving power source, the new battery has a range of more than 200 km within the acceptable weight range of the mass market, which provides an important way for power batteries...[Details]
0 Introduction
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The ways to reduce costs are: ① Use the Bluetooth data transmission...[Details]
With the rapid development of information technology represented by computers, semi-physical simulation technology plays an important role in many military and civilian fields such as aerospace and co...[Details]
The Challenge:
Providing a flexible, powerful robotics design platform
to more than 40,000 high school students participating in the FIRST
Robotics
Competition (FRC).
The So...[Details]
0 Introduction
In the fields of petroleum, chemical industry, metallurgy, electricity, textile, light industry, water conservancy and other industries and scientific research, relevant pressur...[Details]
1. Encryption principle description
The LPC2100 series ARM7 microcontroller is the world's first ARM chip that can be encrypted. The method of encrypting it is to set the specified d...[Details]
In recent years, information technology based on microelectronics and computer technology has developed rapidly, and ultrasonic non-destructive testing instruments have also gained unpreceden...[Details]
1. Architecture and operation of electronic toll collection system
The basic principle of the electronic toll collection system is to enable a special device (on-board unit) installed on t...[Details]
This article starts with a comparison between two discrete MCUs and a single-chip dual-core MCU (taking LPC4350 as an example), and then introduces the basic knowledge and important features of asy...[Details]
51mcu
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