The use of digital multimeters has become very popular, but in common books on electrical technology, the measurement method of semiconductors is mostly using pointer multimeters, and the use of digit...
[i=s]This post was last edited by johnrey on 2015-7-15 21:23[/i] [color=#000][font=Tahoma,]LPC810 has many timers, including SCTimer, MRT, systick, WWDT and WKT. SCTimer looks complicated, so let's pl...
[size=5][color=red]Recently I found that when uploading large data to the forum, the speed is very slow. [/color][/size] [size=5][color=red]I wonder if there can be a small fast upload tool in the for...
Circuit Design Technology and Techniques (Second Edition) - Foreign Electronics and Communications Textbook Series Author: (UK) Williams (WilliamsT) Abstract This book comprehensively and systematical...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 19:58[/i] 1. Introduction to UPS Principles UPS (uninterruptible power supply system) can be divided into online and backup types accordin...
A friend of mine majors in electromechanical engineering. He only knows some simple digital circuits, but he likes electronic technology very much. He doesn't know how to start learning. Can experts g...
All electronic design engineers and scientists have performed electrical signal analysis, or signal analysis for short. Through this basic measurement, they can gain insight into signal details and...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
5. Identifiers and keywords of C language
A complete PIC microcontroller C language program usually consists of six parts: include files (i.e. header files 1, variable definitions, variable de...[Details]
1. Introduction
At present, most lighting equipment still uses traditional energy for lighting. Making full use of solar energy as the energy supply for lighting equipment is of great si...[Details]
Overview:
This paper introduces a method of connecting a CAN-bus network with Ethernet to form a medium-sized remote monitoring/data transmission network.
CAN (Controller Area Network) is ...[Details]
Many battery-powered systems require a visual indicator to show when the battery needs to be replaced. LEDs are commonly used for this purpose, but they consume at least 10mA of current. This con...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
Abstract: In recent years, with the establishment and grid-connected power generation of a large number of solar photovoltaic power stations at home and abroad, photovoltaic grid-connected inverter...[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
Every time I go home and walk up the stairs, I am always scared. The corridor lights are often broken, and no one changes the bulbs, or they are not smart enough and need to be operated manually. E...[Details]
The capacity of a battery depends on the amount of charge and discharge, in addition to some factors of the battery itself. Obviously, if the charge and discharge of the battery can be recorded all...[Details]
Direct digital frequency synthesis (DDS) has fast frequency switching and modulation capabilities and is widely used. However, when low power consumption and low cost are the main considerations, D...[Details]
At present,
the control system used in
automobiles
can be divided into three parts from the functional point of view:
sensor
unit, control unit and execution unit. Among them,
th...[Details]
LonWorks fieldbus technology is widely used, for example, in intelligent buildings, industrial control, environmental protection, etc. Echelon's LonWorks system has been used in the products of tho...[Details]
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