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The main measurement indicators of the oximeter are pulse rate, blood oxygen saturation, and perfusion index (PI). Blood oxygen saturation (abbreviated as SpO2) is one of the important basic data in c...
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PCB schematic diagramI would like to thank Electronic Engineering World ( EEWORLD ) and Silicon LabsArrow for the opportunity.Bluetooth lighting is a mobile phone APP that ...
[Source: CCTV Finance] According to customs data, my country's chip imports in 2019 amounted to $304 billion, far exceeding the second-ranked crude oil imports. However, compared with 2018, the import...
[i=s]This post was last edited by qwqwqw2088 on 2019-9-26 07:44[/i]a. High voltage step-down circuit LM5164 / LM5165In addition to the analog front end or secondary protection chip, the battery manage...
; = ... If a certain digit is 0, replace it with 16. If it is not 0, not only do you not need to replace it, but you also need to stop judging the other digits. For example: if the thousands ...[Details]
From 14:00 to 16:00 on August 8, State Grid Shandong Electric Power implemented its first real-time demand response, and issued response instructions to four enterprises and two power sales compani...[Details]
On August 23, the "IAIC Information Security Summit Forum and China Chip Application Innovation Design Competition Information Security Special Competition" was successfully held in Haining, Zhejiang...[Details]
The method of entering is very simple, just call the library function: PWR_EnterSTOPMode (PWR_Regulator, PWR_STOPEntry_WFI), and the method of exiting is to wake up by external interrupt. After exiti...[Details]
At present, 85% of the smartphones on the market use micro-USB charging ports, and most of the customers who need mobile power are business people, and the phones they use are basically smartph...[Details]
Xilinx, Inc. (NASDAQ:XLNX), a global leader in adaptive and intelligent computing, today announced that it has been named to the 2019 MIT Technology Review "50 Smart Companies" (TR50) list for the fi...[Details]
Let me first talk about my original intention of debugging
A while ago, I saw that my brothers and sisters in the lab were bored, so some of them DIYed. Someone made an electronic clock with a BF...[Details]
HiPhi , the pure electric brand under Human Horizons, recently announced that its first electric car, HiPhi X , will be equipped with the world's first evolvable customizable digital lighting s...[Details]
Question 1: Is a workshop a plug fest? What is a plug fest? Answer: Workshop is a plug fest. There are many things to do at the meeting, including many consistency tests and many interoperability tes...[Details]
Preface
Crystalline silicon is the core device for photovoltaic power conversion, but because the voltage, current and power of a single cell are limited, the cells must be connected in se...[Details]
1. Experience in using MCU commonly used in robots
What is the shortcut to learning microcontrollers?
The so-called shortcut is to avoid detours. I took a lot of detours when I first started le...[Details]
Since the first 5G mobile phone was launched on the market last year, we have officially entered the 5G era. The price of 5G mobile phones has gradually decreased from the initial unaffordable level....[Details]
In the development process of intelligent instruments, how to achieve online conversion of measurement range has always been a concern. The usual conversion method is to use a programmable gain amplif...[Details]
According to the Central Meteorological Observatory, during the National Day holiday, many places in North China encountered smog weather and serious air pollution. Many places issued yellow haze wa...[Details]
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