Urgent! The schematic diagram is circulating on the Internet [url]http://www.51c51.com/51test/cc420.htm[/url] Schematic diagram: [img]http://img.blog.163.com/photo/7hooqwDdedSE9dGfSiiUIQ==/20128275584...
When you see bad posts or content, please click the "Report" function, so that we can ensure that we will solve the problem faster~~~ Thank you~~ The details are as follows: 1. Advertisements, and use...
Dear experts, my graduation thesis is initially about zigbee. I have read the 802.15.4IEEE document and am preparing to study the network layer and above. I want to know the platform required for zigb...
[color=#000000] The above picture is a relay circuit. Now we need to detect whether it is open or closed. Is there any good way? The load is a 2000W lamp group, and the current is about 10A. I tried t...
GL632 is a highly integrated chip that realizes high-performance USB sound card, network ear microphone, speaker, microphone application. GL632 is fully compatible with its company's fulfillment of au...
Is there a quantitative or qualitative relationship between the input current harmonics and the control angle of 12-pulse rectifier? I have searched a lot of literature, but have not found any relevan...
introduction
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[Details]
When the WDP500-2A plane grating monochromator is used to test the emission wavelength of a high-power laser diode at different currents, the matching of the laser diode has the disadvantages of lo...[Details]
1. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[Details]
I. Introduction
Since RS232 has a short communication distance (only 15 meters according to EAT/TAI-232 standard), and can only perform point-to-point communication, it cannot directly f...[Details]
Since the No. 4 blast furnace of Handan Iron and Steel was put into operation in 1993, its external equipment has been seriously aged, and the original PLC control system TDC3000 of the hot blast furn...[Details]
1 Introduction
In recent years, there have been many major advances in the production technology and processes of automotive headlights, which have greatly improved the performance of automoti...[Details]
0 Introduction
With the rise and continuous improvement of the solid-state lighting industry, light-emitting diodes (LEDs) have become an alternative lighting technology and are gr...[Details]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[Details]
Digital array radar (DAR) uses digital beam forming (DBF) in both receiving and transmitting modes to achieve flexible distribution and reception of RF signal power in the airspace, obtain excellent t...[Details]
Different initialization between C8051F and 80C51 series microcontrollers
In the past 30 years, major electronic component manufacturers in the world have launched their own unique single-chip...[Details]
TC9012F is a universal CMOS large-scale integrated circuit for infrared remote control signal transmission, suitable for remote control of TV, VTR, laser player and other equipment. In the market, ...[Details]
System Overview
The system consists of a signal preprocessing circuit, a single-chip computer AT89C2051, a systematic LED display module, a serial port data storage circuit and system software...[Details]
Liquid crystal display (LCD) panels have a wide range of applications, from small portable electronic devices to large fixed devices, including digital cameras, laptops, personal data assistants, d...[Details]
Distributed Wireless Communication System (DWCS) uses distributed antennas, distributed processing control, joint signal processing and other technologies to improve the system's spectrum efficie...[Details]
When the so-called "copycat phones" that flood the domestic mobile phone market move towards large screens, stereo amplifiers, touch controls, and even GPS navigation and mobile TV, the homogeneity...[Details]