In the AT32F403 series of Arteli microcontrollers, there is a problem with the non-flash memory start address. In order to put more APP programs in the zero-wait flash memory, the IAP program can be p...
[i=s]This post was last edited by qwqwqw2088 on 2021-4-20 10:07[/i]Description of the problem:The customer requested to select an AC/DC flyback chip with higher efficiency than the general UC384X or U...
2SK2837 is a commonly used field effect tube in common AC-DC switching power supply products. With the shortage of domestic chips and the problem of the 2020 epidemic, field effect tubes are gradually...
void AD7708WriteRegister(char addr,long dat){SpiWriteData(addr); //Write the communication register and notify the next operation: write the addr register if(IsLong[addr]) {SpiWriteData(dat>>8);} char...
The tremendous growth of the wireless communications industry means that there has been an explosion in the testing of components and subassemblies for wireless devices, including the testing of the v...
Due to the defects of the Bluetooth security protocol itself, mainstream Bluetooth chips from companies including Apple, Intel, Samsung, Qualcomm, CSR, etc. are facing the threat of BIAS counterfeit a...
Global Industry Analysts (GIA) released a new market research report on August 6, titled "Silicon Recycled Wafers - Global Market Trajectory and Analysis". The report provides a new perspective on th...[Details]
On Thursday, Eastern Time, Republican senators led by Marco Rubio once again called on the Biden administration to blacklist Honor, citing "national security threats." In a letter dated Oct. 14, Rubi...[Details]
Based on the characteristics of DC switching power supplies and actual electrical conditions, in order to make the DC switching power supply work safely and reliably in harsh environments and sudd...[Details]
This article introduces a switching DC regulated power supply circuit based on TOP224P. As shown in the figure below, two integrated circuits are used in the circuit: TOP224P three-terminal monol...[Details]
Compared with the commonly used three-terminal regulator, the low-dropout linear regulator has higher performance, lower PCB area and power consumption, and is widely used in portable products such...[Details]
According to the Henan Zhoukou Municipal Government portal, Foxconn Industrial Internet Co., Ltd. and the Zhoukou Municipal People's Government recently held a signing ceremony for the Foxconn Zhouko...[Details]
This project is based on the principle of analog-to-digital conversion. The analog data from the LM35 temperature sensor is fed to the analog-to-digital converter ADC0804 and based on the change in t...[Details]
This article mainly introduces the characteristics of atmega48 microcontroller, puts forward the general method of its low power design, and takes the design of timing control system as an example to...[Details]
Recently, South Korea's two largest battery manufacturers, LG Chem and SK Innovation (hereinafter referred to as SKI), officially sued each other in the United States for battery patent infringement....[Details]
In the driver program written in the previous Linux driver key driver writing (interrupt mode), if no key is pressed, the read function will never return a value. Now we want to achieve a return va...[Details]
At last year's Apple conference, all of its products, including the iMac, switched to the M1 series of chips independently developed and designed by Apple. This series of chips also represents Apple'...[Details]
Conductivity is the ability of an object to conduct electric current. The measuring principle of the conductivity meter is to place two parallel plates in the solution to be measured, apply a certa...[Details]
"Innovation has always driven the development of Heraeus. In 2018, Heraeus' total operating revenue was 20.3 billion euros, of which 7% was continuously invested in research and development." Recentl...[Details]
There are two main ways to measure temperature: one is the traditional contact measurement, and the other is non-contact measurement represented by infrared temperature measurement. Traditional tem...[Details]
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