1. Project BackgroundThe CH2601 chip developed by Pingtou Ge has basic core IPs such as GPIO, TIM, SYSTICK, UART, IIC, SPI, USB1.1, ADC, DAC, DMA, etc., which are similar to other ARM M3 series chips,...
Filters evaluate signals and remove unwanted frequencies while retaining desired frequencies. Acoustic filters are the most common filters used in mobile devices. A high-end smartphone must filter the...
RFID standards can be divided into I, international standards II, national standards III, industry standards I, international standards ISO ISO/IEC JTC 1/SC 31 is responsible for formulating technical...
Since the ADC conversion time should be as short as possible, wouldn't it be better to use 72M directly? Why do we need frequency division? Wouldn't frequency division make it slower?...
Aergang Lei Technology Co., Ltd., founded by Zhou Gang, a young maker born after 1985 in Chengdu, has launched a socket that is not afraid of water and will be put into operation at the end of the yea...
Come play with me and I'll give you a prize! Pull out your board and let's play together!In the face of the epidemic, staying at home reduces the burden on the country. What else can you do at home be...
By integrating micro/nanostructure-based flexibility into the fabric, sensitive tactile perception can be achieved. However, traditional symmetrical structures such as pyramids and hemispheres can ...[Details]
In addition to the power module, each power electronic system has another key component - the IGBT driver circuit, which is a very important interface circuit between the power transistor and the c...[Details]
In the movie "Fast and Furious", a super hacker program "Sky Eye" system is designed. This program can integrate all the data collection and monitoring equipment in the world. It can collect a larg...[Details]
At the beginning of 2021, Meizu, known as the "pioneer of domestic smartphones", officially announced its high-profile "entry" into the smart home field - launching the Lipro smart home brand, focusi...[Details]
1 Overview Since the 20th century, my country's coal mines have begun to use a large number of 127V lighting power supplies and their comprehensive protection devices. So far, the lighting equipm...[Details]
Function of the circuit
The open-loop characteristics of the OP amplifier are close to those of the integrator, and it is most suitable for the integrati...[Details]
introduction
With the popularity of computers and the widespread application of information processing technology, uninterruptible power supplies (UPS) play an important role in connecting criti...[Details]
In recent years, in addition to new energy, the hottest topic in the automotive field is autonomous driving. The two have similarities. They are both in the development stage and are not recognized. ...[Details]
For Apple now, it is rebalancing the order of OLED screen suppliers, weakening Samsung while continuously strengthening the positions of LG and BOE. Of course, the prerequisite is that the corre...[Details]
Tesla has previously stated that it will build its fourth super factory in Germany. Recently, Tesla CEO Musk explained to foreign media why it was built in Germany instead of the UK. Musk said that...[Details]
Translated from EETimes, Egil Juliussen On November 19, 2020, the National Highway Traffic Safety Administration (NHTSA) released an advance notice of autonomous vehicle rulemaking (ANPRM). This is...[Details]
The electrical schematic diagram is drawn based on the actual object as shown in the attached figure.
The core component of this circuit is a decade counter (timing decoder) IC
HEF4017BP (pin...[Details]
Abstract: Aiming at the characteristics of large number of piezoelectric ceramic driver units of deformable mirror, a high-bandwidth piezoelectric ceramic driver suitable for expansion into multi-c...[Details]
The linear frequency modulation signal has a parabolic nonlinear phase spectrum and can obtain a larger time-bandwidth product. Compared with other pulse compression signals, it is easy to generate...[Details]
Soft starter undervoltage fault is one of the common problems in electrical systems. This article will introduce the causes, diagnosis methods, treatment measures and prevention measures of soft st...[Details]
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