[i=s]This post was last edited by yang8555u on 2022-7-27 13:35[/i] Last time I posted, I asked everyone in the forum, trying to find the complete system SDK of RT-Thread for N32WB452, but unfortunatel...
In the device instance path of the device manager, there is something like 20413258574D below.
Taking the virtual serial port as an example, the VID and PID can find the corresponding device in the co...
Original URL: https://zhuanlan.zhihu.com/p/85308440Figure 2-1 is a simplified block diagram of a superheterodyne spectrum analyzer. "Heterodyne" means mixing, that is, converting frequencies, and "sup...
TDA2030 is an audio amplifier circuit, which adopts V-type 5-pin single in-line plastic package structure. As shown in the figure, it can be divided into H type and V type according to the shape of th...
Core West reported on March 29 that on Tuesday, the Ministry of Industry and Information Technology released the "Guidelines for the Construction of the National Automotive Chip Standard System (2023...[Details]
The microcontroller source program is as follows: #include REG52.H //Includes header files related to 51 MCU #define uchar unsigned char #define uint unsigned int /*================== Definition of...[Details]
Colorimeter Concept A colorimeter is an instrument used to measure the color difference of an object. It can also be called a colorimeter, colorimeter, colorimeter analyzer, colorimeter tester, color...[Details]
1 Introduction
The frequency converter is an AC speed control device developed in the middle of the last century. It was developed to solve the problems of traditional AC motor speed control difficu...[Details]
The schematic block diagram of a digital frequency meter is shown in the figure below. The measured signal with a frequency of The input terminal a of the gate is added to the other input terminal b ...[Details]
On the evening of March 14, Jianghuaiwei released its 2021 annual report. The company achieved operating income of 792 million yuan, a year-on-year increase of 40.50%; net profit attributable to shar...[Details]
Beijing time, May 11th, Tesla supplier Panasonic said on Wednesday that it will postpone the commercial production of 4680 battery cells and now plans to start production from April to September 2024...[Details]
The blockchain craze cooled down in the first half of this year. Due to the decline in currency prices and reduced financing, the entire industry was in a downturn, and the talent market naturally ...[Details]
Pareto Plot is also called Pareto chart, 8020 chart, etc. It is a chart used to arrange quality improvement projects from the most important to the least important. It is composed of two charts in fo...[Details]
Contents The utility model relates to the field of installation detection, in particular to a calibration device for an electromagnetic flowmeter. Background of the Invention Electromagnetic flowme...[Details]
The head of the multimeter is a sensitive ammeter. The dial on the head is printed with a variety of symbols, scales and values. The symbol A-V-Ω indicates that this meter is a multimeter that can me...[Details]
On May 31, Glory Ventures officially announced that it had completed the second phase of its US dollar fund with a significant oversubscription, and the fund size was ultimately controlled at US$120 ...[Details]
According to the latest preliminary data from Canalys, global smartphone shipments fell 6% in the July-September period compared to the same period last year. Component shortages are undoubtedly the ...[Details]
High efficiency, high compatibility, high storage, high flexibility and high return!
With the continuous updating and iteration of warehousing and logistics formats, higher requirements ar...[Details]
In order to meet
the requirements of
high-brightness LEDs
for high reliability, small size, high
luminous efficiency
, low power consumption and low cost, the industry has developed ...[Details]
RF/Wirelessly
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