The company I'm working for now is quite strange. When they have something for me to do, they rush me to death. After the circuit and board are drawn, the various processes are delayed to death when s...
"Introduction to Electromagnetic Compatibility" comprehensively and systematically describes the basic principles and design methods of electromagnetic compatibility. The book is divided into two part...
[i=s]This post was last edited by hazhuzhu on 2021-12-29 00:13[/i]Preface
The following is a detailed process record of learning OpenHarmony3.0 Raspberry Pi 4B porting, with main references: Official ...
This is the design reference of ADI's pH meter. The parameters say that it can measure 1GΩ internal resistance signal. The reference standard is 100MΩ.
First one:This is the block diagram, there is no...
Is it correct to use the following formula to calculate the inductance value for this type of SEPIC using coupled inductors?For other DCDC power topologies, the ripple rate of the inductor is r=VIN*D ...
1. Selection of pull-up resistor for MCUYou can see that when the resistor R1=10k in the reset circuit, RST is high level, and when R1=50, RST is low level. It is obvious that when R1=10k, it is wrong...
Target: Matrix buttons display numbers on digital tubes Matrix button module: Matrix button module P0~3 is a group, P4~7 is a group Matrix button recognition method: (1) Progressive scanning Th...[Details]
I have transplanted the touch screen program of Fighting, but there are still some things I don't understand. I will record what I have done first.
The first is the touch screen calibration value. Th...[Details]
A common requirement for automotive electronics is that they must be able to withstand short circuits to the battery voltage when connected directly to the wiring harness. Although harsh, this re...[Details]
4.7 Experiment on calling assembly and C languages
4.7.1 Experimental Purpose
Read the S3C2410 startup code and observe the processor startup process;
Learn to use the MDK integrated ...[Details]
IU5925T is a charge management IC
that supports 1-2 supercapacitors
. IU5925T integrates power MOS and adopts synchronous switch architecture, which requires only a few peripheral devi...[Details]
Ordinary electric motors are designed for constant frequency and constant voltage, and cannot fully meet the speed regulation requirements of frequency converters. Therefore, they cannot be used as...[Details]
This is a transmit audio equalizer circuit. Limiting the bandwidth of an audio system to 20 kHz affects the behavior of the system in the passband. The steeper the filter characteristic, the greate...[Details]
The most common ones are helium-neon lasers, argon ion lasers, carbon dioxide lasers, helium-cadmium lasers, and copper vapor lasers.
This is a type of laser that uses gas as the working mediu...[Details]
introduction
The purpose of sign language
recognition is to provide an effective and accurate mechanism through computers to
recognize the
sign language
gestures commonl...[Details]
Variable valve timing VVT is a technology used in automotive piston engines. VVT technology can adjust the overlap time and timing of the engine's intake and exhaust systems, reduce fuel consumption ...[Details]
Evergrande New Energy Vehicle Group and five automotive engineering companies held a signing ceremony for strategic cooperation in R&D and design. In the future, Evergrande will jointly develop 15 ne...[Details]
As efficiency requirements continue to grow, many power supply manufacturers are turning their attention to bridgeless power factor correction (PFC) topologies. Generally speaking, bridgeless PFC c...[Details]
In today's world where energy shortage and environmental pollution are becoming increasingly serious, how to effectively utilize clean solar energy is becoming an energy strategy for sustainable de...[Details]
On June 20, the Wuxi Xishan Hometown Talents Development Conference was held. At the conference, Wuxi Xishan Development Zone signed 18 projects, including several integrated circuit-related projects...[Details]
The mechanical part of an industrial robot is its core component, which mainly includes the following aspects:
Robot body
The robot body is the basic structure of the industrial rob...[Details]