Dear experts, I have a question for you. I want to access the network on the development board of ARM system. The network card chip is CS8900, and the driver is also available. What components do I ne...
This is the schematic diagram I made by disassembling an MPPT charger before I graduated last year. The object I copied is a mature product on the market.
This circuit has been verified to be function...
Why is Bluetooth Low Energy so power-efficient? According to the official SIG press conference, compared with classic Bluetooth technology, the main changes are concentrated in three aspects: reduced ...
[list=1] [*][backcolor=white]Several terms: [/backcolor] [/list] [align=left][color=rgb(69, 69, 69)]a) Resolution (LSB): Indicates the change in input analog voltage required for the output digital qu...
[backcolor=white] [/backcolor] [backcolor=white] [size=12px] I have been studying microcontrollers for several years. I would like to take this opportunity to talk to you about some of my experiences ...
[i=s]This post was last edited by giggsyao on 2016-10-11 10:58[/i] [align=left][color=#333333][font=微软雅黑]Hello everyone, I am new to PPFC circuit. This is an LLC solution to promote LED lamp circuit. ...
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
Abstract: In order to generate a stable excitation signal, the design of a digital frequency synthesizer is implemented on FPGA using Verilog hardware language. The design includes accumulator, wav...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[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]
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]
This controller uses PIC16C54 single-chip microcomputer as the controller, and it is very easy to use: just connect a telephone line to the loudspeaker through the controller, and you can rem...[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]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]
Leakage current is generated by parasitic resistance paths between the measurement circuit and a nearby voltage source. This current can significantly reduce the accuracy of low current measurement...[Details]
Based on the actual situation, a remote intelligent anti-theft alarm device for home use, connected to the telephone line, simple to operate, and stable and reliable in operation is designed. When ...[Details]
Li/SOCl2 batteries (lithium sub-cells) have the advantages of high operating voltage, stable discharge voltage, wide operating temperature range and long storage life, and have been widely used in ...[Details]
System Introduction
The converter remote data transmission system must collect converter signals distributed in various workshops and send them to the central control room. Wuhan Iron and Stee...[Details]
This article introduces the advantages of outdoor full-color SMD display and the performance parameters of the dedicated outdoor full-color SMD used, which will help people understand and promote...[Details]
High-voltage switches are important control equipment in power systems and play an important role in the safe operation of power grids. The resistance of the switch conductive loop is an important tec...[Details]
Compared with traditional lighting fixtures, LED lamps do not need to use filters to produce colored light. They are not only highly efficient and pure in color, but also can achieve dynamic or gra...[Details]