#inI am using 2 8421 coding switches and stc15w201s to make a 9.9 second delay switch. The following program does not work properly. Please give me your advice.
#includereg52.h
sbit timeup = P1^4; //D...
Last week, Espressif announced the launch of the low-power, low-cost ESP32-C2 chip, which is smaller in size and more powerful than the ESP8266. On the basis of meeting the needs of simple IoT applica...
TrueStudio flashes STM32 project and prompts Verify failed. Now I am helpless.
Compilation is OK, debug is burned to stm32103c8t6, it was normal before, burning other small projects is also normal,but...
This dynamic Near Field Communication (NFC) tag design outlines the required components and layout considerations, and provides firmware examples to illustrate how to implement NFC into applications s...
[i=s]This post was last edited by cxmin on 2019-6-21 10:48[/i]In daily life, people often cannot stay away from the influence of radioactive radiation, such as going to the hospital for CT scans. Espe...
The high-voltage isolation differential probe can convert the high-voltage signal at the input end into a low-voltage signal, and then send it to the output end after electrical isolation. Its inpu...[Details]
I spent a few days to make a little thing. Although there are many ways to implement it circulating on the Internet, I have never tried it. While I have time, I have also made four ways of display. I...[Details]
According to news on September 21, according to CCTV News, on the 21st local time, the European "Chip Act" officially came into effect. An announcement issued by the European Commission that day stat...[Details]
The outbreak of the COVID-19 epidemic has posed a huge challenge to the medical testing model, but has virtually opened the door to a wider range of home medical testing. In the future, certain me...[Details]
There are two types of IC noise:
One is external noise, which comes from outside the IC;
The other is internal noise, which comes from the device itself.
External noise
Some e...[Details]
Function to find the absolute value int abs(int i); //Return the absolute value of integer i; For example, int abs(-3.5) == 3.5; //double cabs( struct complex znum); //Return the absolute value of...[Details]
The Inter-IC Sound (IIS) bus interface of S3C2440A is used as a codec interface to connect external 8/16-bit stereo audio decoder IC for mini disc player and portable applications. The IIS bus interfa...[Details]
Saudi Basic Industries Corporation (SABIC) donated RMB 8 million to the Hubei Provincial Charity Federation to provide targeted support to the Union Hospital affiliated to Tongji Medical College of H...[Details]
USB connection requires a suitable coupler for quick and easy connection. In order to better enhance customers' USB connection experience, L-com has launched a new USB 3.0 Keystone coup...[Details]
Prepare for analysis After reading "NandFlash Application of S5PV210 (Part 3)", it is confirmed that copying data from NandFlash is feasible. This time, the main thing is to replace the "special bi...[Details]
Apple officially released the new iPad Pro and the new Magic Keyboard Case yesterday. The former uses a rear triple-camera solution + A12Z processor and supports Wi-Fi 6, while the latter adds ...[Details]
The effectiveness of the differentiated competitive strategy of international management is evident, and Changdian Technology's profits and advanced process output increased significantly in 2020 战...[Details]
Didi will conduct road tests of autonomous driving in Suzhou in the near future. At noon on September 27, Didi Autonomous Driving obtained a road test license issued by the Suzhou Public Security B...[Details]
Electric vehicle battery fires are not uncommon. Although statistically less likely than internal combustion engine vehicles, when a battery fire occurs, it can continue to burn for hours or even d...[Details]
PCB Design
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