I am a little confused about the calculation of constant voltage BUCK inductor. The input voltage range is required to be 176-265Vac, the output is 9V/1A, the efficiency is 91%, and the core is EE10. ...
Two threads written in arm9 receive data from the serial port and the network port respectively. The former runs all the time, and the latter runs every 1.5 seconds. Now when the latter runs, the form...
I need help. I hope the experts who make switching power supplies can help me. Thank you. Please help me calculate the values of the capacitors of UC3843, such as C3, C4, C6, C11, C12! The ones I made...
Abstract: This paper introduces a pulse adjustable high stability current stabilized power supply used in the deflection magnet of HL-1M neutral beam injector (NBI). The scheme adopted is the joint co...
As shown below, what do the numbers in the first column mean? -> tcpDebugShow 1665138688 user CLOSED 1665138688 user CLOSED 643760896 user CLOSED 643760896 input LISTEN 643760896 output SYN_RCVD 64376...
The hardware guy in our company drew a board and wanted to modify it by adding a wire, but the guy resigned.My boss asked me to do it. I added a wire directly to the PCB without going through the sche...
Wang Xiaochuan, the "Wudaokou Goalkeeper", is going through a level that he has never gone through before. For example, Sogou's (NYSE: SOGO) financial report, artificial intelligence, and the futur...[Details]
The most significant event in the technology circle during this period is undoubtedly the news that ZTE was banned by the United States. Once the news came out, it shocked the entire Chinese techno...[Details]
Friends who work in the photovoltaic industry, do you still remember the hard work on June 30 last year? How many people worked late into the night for months in a row just to connect to the grid a...[Details]
Because the STM32 HAL library only has millisecond-level delay for HAl_Delay(), in order to achieve accurate microsecond-level delay, Systick has to be modified. However, since it is used internally ...[Details]
I have been working on this i2c for several days. Many people on the Internet say that this is a problem with the ST package library, and they basically talk about the STM32F1 series of chips, and ev...[Details]
Recently, the relevant person in charge of the Energy Conservation Division of the Energy Conservation and Technology Equipment Department of the National Energy Administration said on the issue of...[Details]
From last year to now, competition in the photovoltaic inverter industry has become increasingly fierce. In addition to the introduction of new products, various marketing and promotion methods hav...[Details]
The photovoltaic inverter is the core equipment of the photovoltaic system. Its main function is to convert the direct current generated by the photovoltaic modules into alternating current that meets...[Details]
According to foreign media reports, the 2018 GMC Terrain Denali is equipped with multiple collision detection systems, and a recent test verified the safety of the system. Even when driving in a bu...[Details]
First of all, security practitioners have never felt that AI can be used as deeply as today. Although Antelope Cloud is a platform manufacturer, it has always been interested in AI and AI- specific...[Details]
Different models of PIC series microcontrollers have different watchdog settings. The following takes the PIC16F688 microcontroller as an example. 1. If WDTE=1 in the configuration word, the watchdog...[Details]
I have been deeply affected by serial ports since 51. The MAX232 I bought from Huaqiang was originally broken. I thought there was something wrong with my circuit or schematic. Since there was no goo...[Details]
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