This circuit uses only two operational amplifiers to detect the peak and valley voltages of non-sinusoidal waveforms. During the peak period, D1 is turned on to charge C1 to the peak value. After the ...
[align=center][size=4][color=#0000ff][b]Essential information for DIY enthusiasts 1. Fall in love with making: 75 best making projects (selected edition) [/b][/color][/size][/align] [size=4][color=#00...
uC/OS (Micro Control Operation System) is translated as microcontroller operating system. The first version was released in 1992 and has now developed to uC/OS III.
Well, what's its use then?Anyone wh...
Exposing the ugly face of Yingtai Mobile Communication College Beijing Zhongguancun College Now the Beijing Jiuxianqiao College directly operated by Yingtai Mobile Communication College headquarters h...
[font=宋体][size=9pt]Product Name:[/size][/font][size=9pt][font=Times New Roman]ATMEL9260[/font][/size][font=宋体][size=9pt]Development Kit[/size][/font][size=9pt][font=Times New Roman] [/font][/size][fon...
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[Details]
Capacitance Measurement
Used to verify that capacitors meet the manufacturer's specifications. For quality control, a group of capacitors may be placed in an environmental chamber and the cap...[Details]
Introduction
Automakers are working to reduce vehicle weight to reduce CO2 emissions and improve fuel efficiency. Designers are therefore seeking new technologies and design techniques that can...[Details]
The invention of the steam engine ushered in the first conversion of internal energy and mechanical energy for mankind, and the birth of the internal combustion engine at the end of the 19th centur...[Details]
1 Development of LED Film and Television Lighting
1.1 The significance of developing film and television lighting
Lighting power consumption accounts for a large proportion of the total p...[Details]
Mobile phones, MP3s, tablet computers, laptops, digital cameras, handheld game consoles, navigation devices, etc., all these mobile devices are powered by mobile batteries, and the battery life is ...[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]
When developing electronic products with processors, how to improve anti-interference ability and electromagnetic compatibility?
1. The following systems should pay special attention to anti-...[Details]
1 Introduction
Fieldbus is a serial, digital, multi-point communication data bus between field equipment/instruments installed in the production process area and automatic control devices/syst...[Details]
Today, fleet management innovation has made great progress. Whether trucks, buses, taxis or other means of transportation, wireless satellite positioning systems are used to enable dispatchers to u...[Details]
"Multimeter" is the abbreviation of multimeter, which is an indispensable tool in our electronic production. The advantages of multimeter are that it has many uses, a wide range, an...[Details]
In the 1980s, DCS (digital distributed control system) began to enter the field of power plant automation control. Since its positive effects on production safety and economic benefits are unmatche...[Details]
1. Introduction
According to the definition of the International Electrotechnical Commission (IEC) and the American Instrument Society (ISA), fieldbus is a digital, two-way transmission, multi...[Details]
1. Introduction
PROFIBUS is an international, open asynchronous serial communication standard, which is widely used in manufacturing automation and process automation, buildings, transportatio...[Details]
51mcu
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