Let me tell you about the history of Android, review the style of the first generation of Android and compare it with the latest version 8.1. Find the interesting features and problems of Android, and...
IPv6 and Internet Connection
1. Introduction
The widely used IPv4 version of the Internet Protocol has been severely restricted in the application and development of the Internet due to the exhaustion...
I recently did a project that required me to extract the DC component from the collected analog signal. I tried a low-pass filter, but the effect was not ideal. There were still a lot of AC components...
A project requires 8 infrared LED lights. Because they are sensitive to EMI, they cannot use drivers with switching quantities and can only use linear ones.
The parameters of the infrared LED lamp are...
The impact of the global COVID-19 pandemic has forced employees to work remotely. This year, businesses and cities will change their operations and employee and customer interactions to address the im...
As electronic devices become more and more complex, more and more parts are needed, and the circuits and parts on PCB are becoming more and more dense. The substrate of the board itself is made of ins...
Figure 6 illustrates the concept of parallel instruction fetching and execution determined by the Harvard architecture, as well as the register file that can be accessed quickly. This is a basic pipe...[Details]
PLC (Programmable Logic Controller) is a computer control system widely used in the field of automation control. It can control various mechanical equipment and industrial production processes thro...[Details]
1. Analysis of the main chip of mobile power supply 1. Lithium battery management IC: At present, the domestic charging management system is relatively mature. The intelligent IC monitors the e...[Details]
Deafness
Hearing aid
The circuit is shown in the figure. It is essentially a multi-stage audio amplifier composed of transistors VT1~VT3. VT1 and peripheral resistors and capacitors f...[Details]
Today, many portable electronic products require backlight
LED
driver solutions that have the following features: DC control, high efficiency, PWM dimming, overvoltage protection, load disc...[Details]
According to Shangguan News, Gong Zheng expressed the hope that Huawei would continue to leverage its advantages as a leading company in the information technology industry, actively participate in S...[Details]
Over the years, one of the characteristics of the development of the battery industry is the rapid iteration of technology. Initially, CATL launched CTP technology, followed by BYD's blade battery, a...[Details]
Written at the beginning, why is there a need for a timer for microsecond delay? 1. In the HAL firmware library, only Systick is used as a delay counter, and the millisecond delay HAL_Delay(). In or...[Details]
Mouser Electronics, an electronic component distributor focused on introducing new products and offering a vast inventory of electronic components, will significantly expand its global headquarters a...[Details]
Blood pressure sensor circuit, filter and amplifier circuit based on MAX4472
As shown in the figure below, this circuit uses BP01 pressure sensor and MAX4472 operational amplifier. BP01 pressure se...[Details]
Three years ago, the High-Speed Interface Development and Technology Forum was jointly initiated by Tektronix, Anritsu, and GRL. Now, 36 sessions have been held, focusing on the techn...[Details]
1. Appearance inspection The appearance of the loop resistance tester and DC resistance quick tester should be intact, the various adjustment knobs and key switches should be flexible and reliable, a...[Details]
The vehicle-mounted capacitive sensor detects the vehicle load. The signal from each axle sensor is processed by the single-chip microcomputer to obtain the load mass value of the whole vehicle, an...[Details]
In recent years, Huawei has taken advantage of its huge advantages in 5G communications to actively develop V2X vehicle-to-vehicle communication technology, using the high speed and low latency chara...[Details]
Nvidia CEO Jensen Huang said on Wednesday during a visit to Denmark that the company's latest Blackwell chip had a design flaw. "The Blackwell chip can be used normally, but the yield rate is very ...[Details]
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