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...
1. Introduction
The alumina plant and electrolytic aluminum plant of Guangxi Xinfa Aluminum and Power Co., Ltd. are large electricity consumers and require a large amount of electricity. If th...[Details]
1. Background
Driven by multimedia, color LCDs are increasingly used in embedded systems. Most PDAs and mobile phones use LCD as a display device, so learning the application of LCD is of...[Details]
Contents The utility model relates to the field of gas flow measurement, in particular to an ultrasonic gas flow meter with a biogas identification function. Background of the Invention At present,...[Details]
Foshan Blue Arrow Electronics Co., Ltd. (hereinafter referred to as "Blue Arrow Electronics") disclosed the response to the second round of inquiries on the Science and Technology Innovation Board. A...[Details]
Intelligent robot
systems
with artificial intelligence and
machine vision
as core technologies
are subverting the traditional manufacturing landscape, and
the dawn of
the Industri...[Details]
When using a network analyzer to test multi-port microwave devices, the test cable and the connection between different ports of the DUT need to be changed during the test. For example, when using a ...[Details]
It is understood that the largest share of rail transit security systems is the video surveillance system, which accounts for more than 80% of the security system, and the volume of each station is a...[Details]
The DC resistance fast tester is an essential test item for transformers after handover, overhaul and tap change. This article introduces how to calculate the resistance of the transformer DC resista...[Details]
Is it convenient to add a jog function to the torque motor controller and does it have certain production use value?
If it is of small or medium power and is equipped with a gearbox for ...[Details]
According to CNET, the road is not as smooth as it feels when passengers are riding in a car. The car's suspension system will keep moving, and these movements contain kinetic energy, but i...[Details]
This article will explore how to design isolated power supply circuits for gate drive, isolated sensing and communication circuits with the least parts, lowest complexity and most cost-effective me...[Details]
Function: PA8 can drive the LED light to flash with random delay, and connect PA8 to PA7 port with Dupont line. PA7 is the 2nd channel of general timer TIM3. In the TIM3_CH2 trigger interrupt program,...[Details]
Business Korea reported that analysts at NH Investment Securities said that production of Sony's PS5-related parts will begin this week, which is expected to help improve the semiconductor industry's...[Details]
This paper introduces a design method of an SDRAM controller for high-resolution video image processing based on FPGA. By setting the working state of SDRAM, it works in burst mode. Under the control...[Details]
The degradation of battery performance is a natural result of use and aging, but it is also accelerated by lack of maintenance, harsh operating environments, and poor charging practices. The follow...[Details]
stm32/stm8
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