1 Introduction With the continuous development of diode-pumped all-solid-state laser related technologies, it is more and more widely used in the fields of industry, national defense research, biome...
[i=s]This post was last edited by jinglixixi on 2021-9-25 10:12[/i]On the ESP32-Audio-Kit audio development board, the most basic peripherals are LED and KEY, and their schematic diagram is shown in F...
The battery is DC3.0V after LDO, and a 0805 10Uf capacitor is output. Why does it slowly rise from 0V to 3V when tested with an oscilloscope? What's the reason? Is it because the probe capacitance is ...
With the rapid development of communication technology, the communication industry is about to enter the 5G era. Data transmission will be more intensive, and the amount of data exchange will become l...
After several days of repeated tests, the ADC experiment based on the STM32F030Disco core board was finally basically successful. Why do I say basically successful? Because I opened four channels (1~4...
According to foreign media reports, Apple will work with the Governor of South Carolina and local communities to participate in a $6 million investment to build eight open-access Mac computer labs ac...[Details]
We have done the timer experiment before. Now let's take a look at the counting experiment. There are often two requirements for counting at work: first, display the count value, and second, interrup...[Details]
In recent years, with the improvement of people's living standards, security monitoring has received more and more attention, and more and more environments need to be equipped with monitoring equi...[Details]
The types of servo motor controllers include three categories: step-down starter, speed control drive, and intelligent controller. In addition, the control is mainly carried out in two ways: square...[Details]
The magnetic flap level gauge is a field real-time indicating level gauge. Due to its large measuring range, it can be made into a length of 1 meter or even 5 meters, so it is an ideal level measurin...[Details]
As Apple's industrial chain was going through the winter, Goertek, a global leader in the micro-electroacoustic field, suddenly stopped an acquisition aimed at entering the radio frequency chip field...[Details]
The largest single round of financing for a
global tactile
sensor
company
Artificial intelligence is currently in its infancy. In this wave of innovation where AI and
robots
...[Details]
With the in-depth development of electronic technology, various intelligent instruments are becoming more and more numerous, involving more and more fields, and the requirements of instruments for ...[Details]
introduction Radiometric logging is an important part of logging methods. Compared with r-rays, X-rays are widely used because of their advantages such as easy acquisition, controllable radiation, an...[Details]
Nubia officially warms up its new phone, Red Magic 5S. Nubia said: Heat dissipation has always been the forte of Red Magic, and Red Magic 5S has upgraded the heat dissipation technology to a...[Details]
I recently came into contact with the PIC microcontroller while working on a project. I had never used it before. I felt that it was a microcontroller between 51 and 32, but it was used more frequent...[Details]
Many smartwatches are now equipped with waterproof and breathable membranes. The waterproof and breathable membrane on the watch can balance the internal and external air pressure of the product, rel...[Details]
1 Basic principles Following the last blog s3c2440 learning path-010 sdram, sdram has been initialized, and now the value of SDRAM can be officially brought into play. (SDRAM can be read and written ...[Details]
On September 7, the General Administration of Customs announced my country's import and export situation in the first eight months of this year. According to customs statistics, in the first eight m...[Details]
1.1 PFC Topology Overview
Resonant power supplies are often used in high-power systems. For high-power applications, it is generally necessary to reduce power supply harmonics. Active power factor ...[Details]
Power technology
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