I have just finished learning the basics of 51 single-chip microcomputers, and I also know that 51 single-chip microcomputers are not enough in practical applications. Can you tell me what to learn af...
This morning I went to the Beijing Internet of Things Expo and saw the introduction of Magic Mirror! :)Can any friend tell me about the rearview mirror gateway for Internet of Vehicles?
http://weibo.c...
Part I: Concepts and definitions of power supply indicators 1. Describe several indicators that describe the impact of input voltage on output voltage. 1. Absolute voltage regulation coefficient. A. A...
[color=rgb(0,0,0)][backcolor=rgb(255,255,255)][p=28, 2, left]Camacho's sky-high liquidated damages finally became a reality. On the afternoon of July 2, representatives of the Chinese Football Associa...
I went to the courier to ask, but I missed a digit on the courier slip for my mobile phone number, so the board was returned. I thought I didn't have the courier slip number and couldn't find it. Plea...
In verify.cpp of WINCE500\PRIVATE\TEST\GWES\GDI\GDIAPI, there is a small code as follows: GetClipBox(TDC tdc, LPRECT lprc) { return GetClipBox(VALIDDC(tdc), lprc); } 1: Definition of VALIDDC: #define ...
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[Details]
Microcontrollers (MCUs), which are widely used in automotive electronics, are rapidly facing time and cost pressures. The main advantage of using MCUs has always been to create high-level system in...[Details]
1. Introduction
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[Details]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[Details]
In this article, the high-performance DSP developed by TI can be used as an effective confidentiality method if it is applied to PC encryption cards.
As an effective network security solution,...[Details]
With the continuous improvement of the requirements of intelligent building security systems and the continuous improvement of people's safety awareness, indoor anti-theft has gradually attracted peop...[Details]
1 Introduction
As an emerging microfabrication technology, micro-electromechanical system (MEMS) technology has begun to be applied in various fields. It can integrate functions such as inform...[Details]
Contact resistance
is the resistance to current flow through a closed pair of contacts. This type of measurement is performed on devices such as connectors,
relays
, and switches. The...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
1 Introduction to HART Protocol
HART (Highway Addressable Remote Transducer), an open communication protocol for addressable remote sensor high-speed channels, was launched by Rosemen in the U...[Details]
Smart lighting control systems provide high controllability for various buildings and further enhance the level of green energy. They are the core products of energy conservation and digital techn...[Details]
With the continuous consumption of earth's energy and the scarcity of resources, the harm of greenhouse effect to human beings, and the serious pollution of the atmosphere to the earth, the intern...[Details]
Flooded Batteries
This battery developed in Germany can be used to power flashlights, strobe lights and toys as long as it is filled with water. This battery can be stored for 50 years and can...[Details]