ABS is synthesized from three chemical monomers: acrylonitrile, butadiene and styrene. Each monomer has different properties: acrylonitrile has high strength, thermal stability and chemical stability;...
[i=s] This post was last edited by qwqwqw2088 on 2019-5-1 10:09 [/i] [size=5]Introduction to millimeter wave sensors [/size] [size=5]The application of millimeter wave radar is everywhere [/size] [ali...
With the development of wireless charging technology, its application is becoming more and more extensive. However, most existing wireless charging applications need to be powered by conventional powe...
Please help me, as shown in the figure below, there is an interface of this type, SDO1 SDO2, if it is connected to a microcontroller (STM32), which interface can be used? If it is SPI, 1 SPI has only ...
Thank you, wife.In the past four years, our family has improved financially, and we no longer have to be timid about daily expenses, but our relationship has not improved as the days go by. I miss the...
Recently, Philips Automotive Lighting showcased its latest technological achievements and research directions at the Guangzhou International Lighting Exhibition. As a global leader in automotive ligh...
On July 16, SVOLT held a ceremony in Jiangsu Province to launch the first mass-produced cobalt-free battery. This means that the world's first cobalt-free battery has left the laboratory and ha...[Details]
/*========================================================================== Name: IIC protocol Content: The function uses software delay to generate SCL pulses, so some modifications must be mad...[Details]
A megger is commonly known as a shaking meter. Most meggers are powered by hand-cranked generators, so they are also called shaking meters. Its scale is in megohms (MΩ). It is a commonly used measuri...[Details]
Main circuit - the path through which the power current flows in a switching power supply. The main circuit generally includes all power devices in the switching power supply, such as the switching...[Details]
In the safety management system, pressure sensors realize the control of side airbags. The air compressor safety management system is also a field where sensors are widely used. There are two soluti...[Details]
On the evening of January 20, Jizhi Technology announced that it expects its net profit in 2020 to increase by 75%-120% year-on-year, with a profit of 113.1524 million yuan to 142.2487 million yuan. ...[Details]
The U.S. Time magazine interviewed Ren Zhengfei on April 12, and then on April 18, the media selected Ren Zhengfei as an industry leader in the "2019 List of 100 Most Influential People in the World"...[Details]
The advent of the era of autonomous driving and artificial intelligence has led to a shift in the research of automotive cameras from simply transmitting images to externally sensing and identifyin...[Details]
Frequency domain measurements of RF power are the most basic tests for both traditional spectrum analyzers and modern vector signal analyzers. Proper test methods are very important to avoid signific...[Details]
The legal battle between Apple and pulse oximeter company Masimo has been going on for two weeks, and because the trial is being held behind closed doors, little is known about it. Masimo accused App...[Details]
Liang Hua pointed out that objectively speaking, the difficulties faced in the second half of this year and next year are still relatively large, requiring a lot of investment, which may have a certa...[Details]
This paper proposes a design scheme of an embedded solar drying real-time monitoring system based on the ARM Cortex-M3 processor STM32F103VBT6. The scheme uses the AM2301 temperature and humidity sen...[Details]
/*****************************This part is the driver of the I2C bus****************************************/
#include reg52.h
#include intrins.h
#include I2C.H
#define NOP() _nop_() /* define a ...[Details]
Silicon Labs and Allegion, a leader in security solutions, have collaborated to further extend Internet of Things (IoT) capabilities to security products for smart homes and commercial buildings. A g...[Details]
1. What is the principle of parking radar?
The parking radar system determines the distance between the front or rear bumper and obstacles using ultrasonic sensors.
2. Where is the parkin...[Details]