Abstract: SMS short message service, as a basic service of GSM network, has been paid more and more attention by system operators and system developers. With GSM network as data wireless transmission ...
Embedded face-to-face training worth RMB 2,500, provided by Shenzhen Xinyingda Electronics Co., Ltd., located in Shenzhen, valid until July 2012, available for sale at a low price of RMB 1,000 [[i] Th...
Many people may not be able to live without WIFI! This is a bit of an exaggeration, but WIFI has indeed deeply penetrated into the lives of young people. Don't worry about this, because WIFI is likely...
Based on the current foundation, is there any possibility for the charger to be developed and updated? The answer is yes, of course it is possible to update to a new style, but how to develop and in w...
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
1. Background:
The instrument system parameter detection and control of the chemical production workshop of Tangshan Coal Gas Coking Plant are all analog instruments, some of which are eve...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
The emergence and development of street lamps are inseparable from the prosperity and progress of cities, which makes street lamps useful. Conversely, street lamps also make the night of the city n...[Details]
The most important components of new energy electric vehicles are power batteries, electric motors and energy conversion control systems. The power battery must achieve high performance such as fas...[Details]
Dual Tone MultiFrequency (DTMF) signaling is gradually being used in push-button telephones around the world. It quickly replaced the dial pulse signaling used in traditional rotary phones because ...[Details]
Voltage hysteresis is a characteristic of lithium-ion battery and the basis of its existence. The principle is as follows: the thionyl chloride electrolyte of the battery is a strong oxidizing chem...[Details]
High specific energy lithium/thionyl chloride (Li/SOCl2) batteries are widely used in multi-functional intelligent meters (such as smart meters, water meters, etc.) as real-time clocks and memory b...[Details]
As the automobile consumer market heats up, the safety performance of automobiles has attracted more attention from consumers. When driving at high speed, tire failure is the most worrying and diff...[Details]
1. Introduction
With the continuous development of modern urban construction, infrastructure and real estate are becoming increasingly prosperous, and the quality requirements for construction ...[Details]
1. Project Introduction
Energy consumption is an important controllable part of the cost of enterprise products. Reducing energy consumption is an important way for enterprises to reduce costs...[Details]
In the 8051 system, the data pointer DPTR is a special 16-bit register used to address the 64 KB XDATA or CODE space. It is usually used as a 16-bit pointer to a constant table. Dual data pointer...[Details]
Tags: Intelligent Video Video Surveillance HD Video
Currently, intelligent video analysis technology is gaining more and more attention in the security industry, and many projects have...[Details]
The MCS-51 microcontroller has multiple interrupt sources. Taking 8051 as an example, there are 5 interrupt sources, two external interrupts, two timing interrupts and one serial interrupt. In this...[Details]
CAN (Controller Area Network) is a serial communication network that effectively supports distributed control and real-time control. It has the advantages of high reliability, low cost, flexible confi...[Details]
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