I. Antenna Principle1.1 Definition of Antenna:A device that can effectively radiate electromagnetic waves in a certain direction in space or can effectively receive electromagnetic waves from a certai...
Original address: Reference measures for improving the output ripple of switching power supplies Author: Renco
The output ripple of the switching power supply mainly comes from five aspects:
1. Input ...
Design name: DIY mobile slide for electron microscope
Image:I bought the slide for a few dollars online. I don't know what product it is used for.
System structure:1. PYthon host computer program
2. r...
First of all, I would like to thank @dcexpert for donating the development board. Here is a brief introduction of the board:pybL series development board, ultra-low power consumption, supports micropy...
A few days ago, the news that the Black Shark gaming phone invested by Xiaomi would be acquired by Tencent caused heated discussion. At that time, it was reported that after the acquisition, ...[Details]
As we all know, EMC refers to electromagnetic compatibility testing, which refers to the ability of the electromagnetic energy generated by a device to neither interfere with other devices nor be int...[Details]
This is a miniature audio amplifier circuit built with the power IC AN7115 as the main part. Normally, when using a 9VDC power supply and a 4Ω speaker, the amplifier will provide about 2.1W of powe...[Details]
Kernel version: 2.6.22 Why do we use such a lower version for porting? Because Wei Dongshan said that only those with lower versions can learn things. The higher the version, the less work needs to...[Details]
From the previous section, we know that the detection of touch screen presses and the calculation of touch point coordinates are accomplished through the five switches S1 to S5. By controlling the op...[Details]
When the user application is running, there may be special requirements, which require the implementation of a microcontroller system reset (one of the hot restarts). Since the traditional 8051 micro...[Details]
Intel recently officially released a special product "RealSense L515", which is known as the world's smallest and most energy-efficient high-resolution Lidar camera. RealSense L515 is only 61 mm in ...[Details]
OFILM and Nanchang Municipal Utilities Investment Holding Co., Ltd. (hereinafter referred to as "Nanchang Municipal Utilities") have officially signed the "Equity Acquisition Framework Agreement", an...[Details]
If you open a column "If there is no operating system, no matter how powerful the chip is, no matter how good the car is, it will be a high-rise building on the beach. If the problem of 'lack of co...[Details]
One of the most commonly used tools, because it is simple and practical, even some people who are not electricians can understand it. However, as an electrician, you must not simply stop at being abl...[Details]
On the afternoon of April 1, Chen Jinhu, Secretary of the Changzhou Municipal Party Committee, led a team to visit and investigate the Xingchen New Energy Changzhou "Xing G Intelligent Manufacturin...[Details]
Less than a month after the last AI wave, AIGC, another big wave is coming. Nvidia recently released a multimodal embodied artificial intelligence system, Nvidia VIMA, and on the same day Tesla als...[Details]
The trace moisture meter has the characteristics of high sensitivity, high precision, high reproducibility, low power consumption and energy-saving design. It can measure the trace moisture content o...[Details]
According to DIGITIMES, the industry recently revealed that TSMC has given priority to expanding the production of 12-inch wafer fabs rather than 8-inch fabs. This means that the shortage of 8-inch w...[Details]
As Google's own series, the Google Pixel series has used Snapdragon's top processors for the past four generations. However, we have learned long ago that this year's Pixel 5 series will use Qualcomm...[Details]
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