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Blood oxygen saturation is detected by receiving the energy ratio of infrared light and red light, and then it can be calculated by adding an algorithm. So how is heart rate detection achieved? What a...
[i=s]This post was last edited by Beifang on 2021-11-26 10:35[/i][index][#1]1. GPIO project code analysis[#2]2. Project compilation
3. Download thecode1. GPIO project code analysis
No matter east, wes...
[size=4]1. Serial communication and parallel communication [/size] [size=4] DSP controllers exchange information and communicate with external devices. There are two main communication methods: 1. Ser...
ST Award-winning live broadcast: Environmental monitoring and predictive maintenance solutions based on IO-Link. You are invited to watch at 10:00 am on July 22 (Thursday)!Click here to registerLive T...
It has been a while since Huawei announced its entry into the automotive industry, and its progress has attracted attention. The level 4 autonomous driving currently released by Huawei once again dem...[Details]
CAN communication is widely used in industrial communication, industrial Internet of Things and industrial control fields due to its high stability. Most traditional devices use serial communicatio...[Details]
Fast recovery diode (FRD for short) is a semiconductor diode with good switching characteristics and short reverse recovery time. It is mainly used in electronic circuits such as switching power su...[Details]
Recently, NVIDIA held an offline media communication meeting to explain in detail the new changes, new technologies, integrated software and hardware stacks of the two products NVIDIA Omniverse and N...[Details]
Glass rotor flowmeter is a variable area flowmeter, which is mainly composed of a vertical glass cone tube that expands from bottom to top and a float that can move up and down with the flow rate. Be...[Details]
There are four main types of common air conditioner after-sales failures: bad coil, non-reversing, cross-flow and leakage. So, what are the corresponding causes and solutions for each situation? Le...[Details]
Preface
Various models of MP3 players are now on the market. They adopt advanced intelligent control technology and use advanced chips to not only realize the playback of MP3 format voices, but...[Details]
Switching power supplies have long been a staple of the power supply industry. However, as the global demand for energy-efficient products continues to increase, the market, which has traditional...[Details]
Research on power batteries and charging technology for electric vehicle energy often requires charging experiments with multiple charging methods for different types of power batteries. This require...[Details]
Nowadays, many home appliances are becoming more and more intelligent. For example, if there are TVs, mini consoles (TV boxes), Blu-ray players, game consoles and other devices in the living room, ...[Details]
Any product has a quality statement. With the progress of society and the development of industry, users have higher and higher requirements for product quality. The same is true in the flow meter in...[Details]
Abstract: This
paper introduces a scheme for realizing electronic tachometer based on single-chip microcomputer, discusses the principle of mileage counting and speed indication, and gives th...[Details]
Media learned that TCL responded to the bidding for Honor: false rumors. Earlier news said that Huawei was in talks with Digital China and other bidders to sell part of its Honor smartphone business,...[Details]
The first step in online power supply design is to define the power supply requirements, including voltage range, output voltage, and load current. Possible solutions are automatically evaluated and ...[Details]
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