I'm begging for help. Does anyone know any transmissive dual-light source blood oxygen chips? We want to make wearable devices, which usually use reflective ones, but we want to try the transmissive o...
I. Introduction Wireless MESH network (WMN, Wireless Mesh Network, also known as wireless mesh network) is a new broadband wireless network structure, a high-capacity, high-speed distributed network. ...
When I use Keil to compile, I get the prompt [color=#0000FF]compiling ds18b20_driver.c... compiling ds18b20_apply.c... DS18B20_DRIVER.H(3): error C202: 'P3': undefined identifier DS18B20_DRIVER.H(5): ...
[i=s] This post was last edited by dontium on 2015-1-23 11:34 [/i] This is my first post here, please give me a thumbs up and approval. I bought ADS8332 from a group and made a test PCB myself. I didn...
What is Feedback?
Feedback refers to the process of returning the output of a control system to the input of the system through a specific path, adding it to the original input and affecting the net i...
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]
Blood pressure is one of the important physiological parameters of the human body. Accurate measurement of it is conducive to early detection and identification of hypertension types, and to the pro...[Details]
As a branch of signal and information processing, digital signal processing has penetrated into various fields of scientific research, technological development, industrial production, national defens...[Details]
Preface
Sleep apnea is a very common sleep breathing disease. According to research, about 24% of adult men and 9% of adult women, or more than 2 million people, suffer from this disease ...[Details]
Emulation Features
Emulation provides a set of standard operations for integration and debugging. Some of its main features are as follows:
BreakpointsA
common feature of emulatio...[Details]
Portable devices with audio functions (such as portable media players and multimedia mobile phones) require long audio playback time, that is, long battery life. To extend the battery life of port...[Details]
0 Introduction
Today, with the rapid development of electronic technology and the emergence of new multifunctional electric energy meters, the choice of memory in the electric energy m...[Details]
Lithium-ion batteries have a high energy-to-weight and energy-to-volume ratio, no memory effect, can be recharged many times, have a long service life, and are becoming increasingly cheaper. A good...[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]
When using GPS for positioning, it will be affected by various factors. The factors that affect the accuracy of GPS positioning can be divided into the following four categories (see the figure be...[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
In engineering practice, ultrasonic waves are often used to measure distances because of their strong directivity, slow energy consumption, and long propagation distance in th...[Details]
Application of TWLA500 in ADC and related fields
FAE: On-site technical support. Provide technical support to customers on the application of the products you sell, and handle quality ...[Details]
1. Introduction
Rolling bearings are the most widely used general mechanical components in various rotating machines. Whether their operating status is normal often directly affects the perfo...[Details]
1 Introduction
Intelligent software agents are software programs that can perform specific tasks for users, have a certain degree of intelligence, can autonomously perform some tasks, and ...[Details]