[i=s] This post was last edited by 想得明明 on 2018-12-23 18:44 [/i] It is understandable that the headphone impedance is 15Ω and connected in parallel with 0.1uf, but the LINEOUT line output impedance is...
I used the falling edge interrupt experiment for external interrupt. The result was that an interrupt occurred when I slightly touched the P1 port with my hand. I haven't grounded it yet. This is too ...
Translated from : https://www.hackster.io/seanhodgins/face-changing-projection-mask-3e6547Facial recognition is everywhere. Tracking your movements, actions and everything you do. If that is a problem...
[table=98%] [tr][td][p=24, null, left][color=#434343][font=微软雅黑, Tahoma, Verdana, 宋体][size=16px][Abstract]“We support OnBeep because we believe they will revolutionize the way the world communicates.”...
Selling some old wine The following data is very familiar to people who have worked on power amplifiers and radio frequency, just like people who have played with routers are familiar with 192.168.0.x...
Project Overview
The micro urine analyzer we designed can detect ten parameters of urine, including white blood cells, nitrite, urobilinogen, protein, pH value, occult blood, specific g...[Details]
1 Introduction
The multifunctional monitor is a commonly used clinical medical device. It can display the patient's electrocardiogram (ECG), respiration (RESP), blood oxygen saturation (SP...[Details]
The radio frequency identification (RFID) market is experiencing strong growth, with sales reaching $1.7 billion in 2004 and expected to reach $5.9 billion in 2008. This surge in demand is driven b...[Details]
Medical and industrial applications often require isolation voltages of 2500Vac or higher for patient and equipment operator safety. The isolation barrier must not only transmit power to the sensin...[Details]
With the rapid development of digital technology, various digital display screens have emerged, including LED, LCD, DLP, etc. There are various control systems for various digital large screens, in...[Details]
In some warehousing management, manufacturing, meteorological observation, scientific research and daily life, the requirements for temperature and humidity are common. For example, the "Interim Pr...[Details]
Safety is the top priority in the production process, especially for dangerous operations. When the high-voltage line is shut down for maintenance, it is necessary to follow the regulations of powe...[Details]
Basic principles of simulation
Simulation is a technology used in the field of embedded system development. It can bring system developers the controllability and visibility needed to integra...[Details]
This summary will introduce the transmitter characteristic test of TD terminal products - uplink power control. According to the 3GPP TS34.122 standard, UE uplink power control is divided into uplink ...[Details]
1 Introduction
The intelligent meter reading system is a system that reads the data of multiple user meters in a centralized manner through the transmission media by the master station. It...[Details]
This article first briefly introduces the working principles of current mode and voltage mode and their respective advantages and disadvantages; then discusses the ideal voltage mode using output c...[Details]
Today's mobile phone production testing faces an increasingly complex environment, with challenges of multiple frequency bands and multiple standards, pressure on production test speed, and pres...[Details]
Introduction
The home ECG and blood pressure monitoring system consists of a data acquisition and recording device and a host computer electronic medical record management system. Therefor...[Details]
In the issue of ensuring the safety of drivers and pedestrians, the proportion of electronic technology has increased. According to the survey, 80% to 90% of traffic accidents are caused by driver...[Details]
IPTV (Internet Protocol TV or Interactive Personal TV), also known as interactive network television, is a new technology that uses broadband network infrastructure, takes home televisions or comp...[Details]