[i=s]This post was last edited by qwqwqw2088 on 2022-8-25 09:53[/i]The working principle of capacitor voltage reduction is not complicated. The working principle of RC voltage reduction is to use the ...
Using the PubSubClient library (version 2.8.0), you can quickly implement MQTT data packet encapsulation and use ESP32-C3 as an MQTT Client to connect to the MQTT Server. This article connects to OneN...
[i=s]This post was last edited by whwshiyuan1984 on 2015-3-3 09:26[/i] Question: Is the IRQ in uboot enabled (i.e., is the I bit in CPSR enabled, assuming it is an ARM9 processor)? I took a quick look...
Hello everyone, the crystal oscillator package in the PCB I drew previously had 4 pads. Now I want to change it to a 2-pin crystal oscillator. How can I package it? Should I modify the component packa...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 20:04[/i][p=23, null, left][font=Simsun][size=4][color=#000000][backcolor=white]Since we are talking about mechanical keyboards, let's fir...
SinoWise's SH66xx series 4-bit microcontrollers have the characteristics of fast speed, low power consumption, simple structure, easy to use, and high cost performance. They are widely used in remo...[Details]
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Abstract
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RFID technology will be ubiquitous in the future, and there is no doubt about it, because it brings convenience and timeliness to people, which means efficiency and...[Details]
Microelectromechanical systems (MEMS) are gradually entering the consumer, industrial, medical, automotive and computer application markets. Moreover, we cannot ignore their steady progress in the ins...[Details]
Overview
PS pressure sensor is an electronic pressure sensor made of semiconductor diaphragm structure. It can convert the physical quantity of air pressure into electrical signals and detect ...[Details]
The 21st century is the century of life and health. The rapid progress of life sciences continues to promote human understanding of their own health and diseases. How to develop innovative medical ele...[Details]
In the test of the electronic ignition module, in order to simulate the real working condition of the electronic ignition system, the electronic ignition module is often placed in an environment hi...[Details]
Infrared remote control is widely used in household appliances, security, industrial control and people's daily life, especially household appliances and security.
When there are many TVs, VCD...[Details]
JTAG Technology Introduction
One disadvantage of shrinking technology is that the complexity of testing small devices increases dramatically. When the board area is large, the board is tested...[Details]
1 Introduction
In the current test field, the correlation detection method is increasingly widely used for filtering. Correlation filtering can easily separate a signal of a specific frequency...[Details]
Chapter 1 Proposal
Endless salespeople interrupt your normal work schedule;
Employees leave their work stations without permission during working hours;
Unauthorized persons ente...[Details]
With the development of supermarket industry and the strengthening of loss prevention awareness, the use of electronic anti-theft equipment (EAS) has become very popular in various parts of the countr...[Details]
introduction
When we run or ride a bicycle, the vibration of our arms often makes the images displayed on the electronic devices in our hands look blurry. Long-term viewing (such as watchi...[Details]
Two doctors in Chennai, a major technology city in southern India, have developed a generator installed in the high heels. The generator generates weak electricity through the vibration and pressure o...[Details]
1 Basic structure and function of implantable cardioverter defibrillator (ICD)
ICD consists of two parts: the pulse generator and the electrode lead. The main components of the pulse generator...[Details]
Capacitive sensing user interfaces are emerging as a practical and innovative alternative to mechanical buttons in mobile phones. While capacitive sensors can be viewed as a drop-in replacement fo...[Details]