#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...
After the previous experiments, we have a general understanding of Uboot. We have turned on the LED light before, but this is not our fundamental purpose. We want to enter the boot. After two days ...[Details]
On November 2, OPPO Guangdong Mobile Communications Co., Ltd. disclosed the patent of "A method for asking for help, terminal and storage medium", with the publication number CN113596236A. ...[Details]
According to foreign media reports, Huawei is encouraging Android app developers to list apps on its own app store, thereby using its own app market as an alternative to the Google Play Store. In an ...[Details]
Researchers at the Glenn Research Center under the National Aeronautics and Space Administration (NASA) have recently developed a fully automatic acceleration and glide (pulse & glide) techn...[Details]
Introduction
In ultrasonic ranging automotive applications, such as Ultrasonic Parking Assist (UPA) and Blind Spot Detection (BSD), the ultrasonic waves emitted by the system are reflected by...[Details]
All of this infrastructure growth means a massive expansion of data—and all of that data needs to be utilized and delivered. Old methods of data transmission will no longer suffice, and the market is...[Details]
Higher accuracy, higher recognition, higher clarity, faster transmission speed, improved work efficiency, and safety has reached a new level... Recently, the UHV ±800 kV Zhongzhou Converter Station...[Details]
Polysilicon is the main raw material for solar cells in the photovoltaic industry. It is mainly formed by the reaction of silicon powder and anhydrous hydrogen chloride (HCl) in a fluidized bed rea...[Details]
Data processing has always been the top priority for smart meters, and this article also briefly introduces the data processing of smart meters.
As systems/solutions introduce more and more fu...[Details]
Wuxi Jinhongying Co., Ltd. is a high-tech enterprise that designs, produces and provides solutions for robotic industrial automation systems. If you are interested in welding robots, you can contac...[Details]
In the data sheet of power MOSFET, there are usually parameters such as single pulse avalanche energy EAS, avalanche current IAR, repetitive pulse avalanche energy EAR, etc. However, many electronic e...[Details]
Low dropout regulators (LDOs) are primarily used to generate
low ripple, low noise
supplies
for audio and
RF
circuits
, and can also be used as local clean
supplies
for fre...[Details]
Straightness tolerance is the allowable variation of the actual straight line from the ideal straight line. It is used to limit the shape error of the plane or space straight line. Its toleranc...[Details]
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