The USB Type-C interface, developed by the USB -IF organization, was recognized by Apple, Google, Intel and other manufacturers as early as 2014, and related products were launched in 2015. Compared w...
In "Rectification Miscellaneous (VII)", we introduced some voltage doubler rectifier circuits. Those voltage doubler rectifier circuits are all derived from the half-wave rectifier circuit as shown in...
Things to note when selecting and using a POE switchThe power supply of the POE switch is equivalent to the power cord. It supplies power to wireless AP, Internet phone, network camera and other devic...
When you get home, your shoes automatically turn into lazy slippers. When you are tired, you can easily kick off your shoes when you enter the house.How to achieve it?There is an opening in the middle...
[i=s]This post was last edited by 1nnocent on 2021-5-14 09:32[/i]I have learned STM32F103VCT6 before, but I just modified the program and didn’t learn it in depth. I didn’t understand specifically how...
When I open the schematic and click on libraries, a problem occurs. The files cannot be loaded. All the files in the box are red and cannot be deleted. Please solve it. [img]https://gss0.baidu.com/9vo...
The article first analyzes the current mainstream 3WLED bulb solution with the largest market share, 3MW isolation. The advantages and disadvantages of this solution are proposed. Based on these a...[Details]
This program implements the UART interrupt mode to send and receive data, and sends the received data immediately to form a loop.
It consists of the test program , the related header file , and the...[Details]
The medical call system is a calling tool for patients to make requests when they need care or diagnosis. It can quickly convey the patient's request to the doctor or nurse on duty. It is one of th...[Details]
News:
On the morning of July 27, the opening ceremony of the 19th National College Student Automobile Competition Horizon Creative Group Smart Medical Track National Selection Comp...[Details]
Experiment name: Fabrication and vibration characteristics test application of power amplifier based on two-dimensional elliptical ultrasonic vibrator
Experimental purpose: To test and verify ...[Details]
1. Task requirements: design content Choose 51 microcontroller and use 12MHz crystal oscillator. Design a triangle wave signal that can generate 50HZ to 100HZ. Digital-to-analog conversion is comp...[Details]
In my latest article (Development Trends, Concepts and Technical Challenges of Active Noise Cancellation), I described the various existing active noise reduction topologies and analyzed the diffic...[Details]
On December 19, the official Weibo account of Honor Mall was launched recently, announcing that Honor Mall will be officially launched in January 2021. It is reported that the new mall will provide s...[Details]
I believe that for power engineers, the contribution of oscilloscopes is irreplaceable. Once there is a problem with the product, it is necessary to capture the waveform, timing, and test accurate va...[Details]
Many people say that 5G is not equal to 4G+1G, but when demonstrating 5G, they often only show the peak rate, habitually returning to the logic of 4G+1G. In fact, the real trump card of 5G may not be...[Details]
China produces tens of thousands of mobile phones every year, but mobile phone test equipment is quite expensive and the test speed is generally slow. According to conservative estimates, each test...[Details]
A continuity tester injects an AC signal into the cable conductors to locate circuit faults.
AC continuity testers, used for field testing and repair work, provide simple multi-contact cable l...[Details]
A major design breakthrough has occurred in the intelligent medical monitoring system. With the finalization of the IEEE 802.15.6 human area network technical specification, the new generation of medi...[Details]
The automotive industry is experiencing a revolution as technology continues to advance, one of which is advanced driver assistance systems (ADAS). These systems can make driving safer and lay the ...[Details]
Microcontroller MCU
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