[i=s] This post was last edited by dontium on 2015-1-23 11:43 [/i]When I participated in the electronics competition, I did the 2009 competition topic during training - broadband DC amplification, fro...
[i=s]This post was last edited by gxp790953623 on 2015-12-4 18:16[/i] A simple MCU circuit, board 1 and board 2 are interconnected through the socket, and the MCU main program loops through P2.5 to de...
Let's briefly test the switching frequency of the photorelay. When using a 1-10hz square wave input, the response is normal, and the output waveform is approximately the same waveform. The larger the ...
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
The above is to use MB1404 as a stereo composite signal transmitter. You can use the internal high-frequency amplifier and oscillator or not! According to my experience, I still recommend beginners...[Details]
Cars equipped with xenon headlights are already common on the road. Whether they are standard equipment on high-end cars or embellishments on modified cars, xenon lamps are gradually becoming a sym...[Details]
In industry, voltage 0…5 (10) V or current 0 (4)…20 mA is usually used as a method for analog signal transmission, which is also a method often used by programmable controllers. So what are the dif...[Details]
introduction
The Steyr diesel engine produced by Weifang Diesel Engine Factory has huge power and is one of the main power models widely used in China's heavy machinery and large trucks. In ...[Details]
Designing low power circuits while achieving acceptable performance is a difficult task. Doing so in
the RF
bands increases the challenge dramatically. Today, nearly everything has wireless...[Details]
With the explosive growth of electronic functions in cars, will more and more luxurious cars endanger the safety of passengers? This is the origin of the problem of over-electrification of cars. What ...[Details]
Introduction
In the wastewater discharged from steel plants, the water contains a large amount of waste slag and oil. If the waste slag and oil are separated from the water, the water can be us...[Details]
At present, products in the field of monitoring generally focus on the field level, that is, the client/server (C/S) model is adopted, the purpose of which is to ensure the stability and reliability o...[Details]
Introduction
Zero-IF receivers are not new; they have been in use for some time, with cellular handsets being a key application area. However, their use in high-performance receivers such as...[Details]
0 Introduction
The traditional measurement method of measuring gravity acceleration by a simple pendulum in university physics experiments generally uses a mechanical stopwatch for manual timing and...[Details]
Semiconductor devices used in high-end computing (advanced microprocessors) and consumer electronics (graphics and gaming chipsets) devices generally provide data rates up to 6.4Gbps through high-s...[Details]
The single-chip automatic alarm device composed of MODEM chip can transmit alarm information over long distances with the help of the telephone exchange network within factories and enterprises, or...[Details]
FPGA/CPLD
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