#Create a new folder and store files in a USB flash drive in C language in Linux##1. Storage path plan```c #includeint main(void) { char file[30] = {'\0'}; //File name char filefolder_path[30] = {'\0'...
[i=s]This post was last edited by hujj on 2020-12-23 16:30[/i]After the LCD display driver is completed, the DS1307 calendar module is driven. This module uses I2C communication. I used the CLK and DI...
Power supply topology: PSR. Control mode: PSM. Switch chip: LNK3604D.Input 220VAC, output not fully loaded.1. How to determine whether the power supply is stable?2. Can the error in transformer manufa...
I would like to ask about the design/sample making of high-frequency transformers. If I provide the parameters in the figure to the manufacturer, there should be no problem in making this kind of tran...
In the global energy-saving car competition Shell Eco-Marathon, hundreds of student teams compete every year with their self-developed energy-saving cars. They do not race, but challenge to complete t...
On May 17, State Grid Corporation of China held the inaugural meeting and the first plenary meeting of the Power Grid Planning Management Committee (hereinafter referred to as the "Planning Committ...[Details]
1. When the sensitivity of the galvanometer of the ground resistance tester is too high, the potential probe can be inserted shallower into the soil. When the sensitivity of the galvanometer is not...[Details]
The 8th China Information Technology Expo (CITE2020) will be held at the Shenzhen Convention and Exhibition Center from August 14 to 16, 2020. With the theme of "Innovation, Sharing, Openness and Coo...[Details]
On March 3, OPPO’s official Twitter account warmed up for the new OPPO Find X3 series products. OPPO announced that the OPPO Find X3 series is the first to launch the Android 10-bit full-link...[Details]
The DS1868B has two 256-position potentiometers with wipers set to 8-bit values. The potentiometers can be used independently, or stacked to increase the number of wipers for total resistance. Commun...[Details]
On March 21, domestic manufacturer OmniVision announced that its OX08D10 image sensor using TheiaCel technology is compatible with Qualcomm Snapdragon Digital Chassis.
In particular, it ...[Details]
Recently, the whistleblower Ming-Chi Kuo shared his latest forecast report and predicted that two new AirPods models are expected to be mass-produced in 4Q19-1Q20, both of which will abandon the exis...[Details]
I had the idea of transmitting data wirelessly many years ago. The first thing I came across in real life was the remote control device on a motorcycle anti-theft device. Later, for various reaso...[Details]
The cross-strait Apple supply chain has unprecedented cooperation. Pegatron's board of directors yesterday (28) decided that its important subsidiary, Caseson, a casing manufacturer, Rikai, would inc...[Details]
1. Disadvantages of ungrounded midpoint of transformer (1) Broken wire may cause resonant overvoltage The disconnection of wires, the simultaneous closing of switches and the simultaneous blowing o...[Details]
Traditional switching power supply circuits use nonlinear elements and energy storage elements, which results in a very high instantaneous value of the power input current, a severely distorted wavef...[Details]
On April 10, CIMT2023 opened grandly, and & Collaboration set off a storm of "collaboration &" at CIMT2023.
This exhibition not only brought together many well-known companies and leading bran...[Details]
According to foreign media reports, General Motors (GM) has applied for a new patent for its reclining seat airbags with the United States Patent and Trademark Office. The patent is called "Thorax An...[Details]
This article is based on this analysis. The analysis method of switching power supplies using other topologies is similar. When designing a switching power supply with good dynamic and static pe...[Details]
STMicroelectronics has launched the HFA80A automotive-scale input Class-D audio amplifier, which combines high efficiency, compact size and low cost. It is optimized for automotive and local electr...[Details]
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