#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...
Circuit principle: As shown in the figure, this is the auxiliary audio power amplifier circuit of LM4730. The audio input signal is added to the input terminal 8 pin of LM4730 after passing throug...[Details]
The function of the automobile actuator fuel pump is to suck the fuel from the fuel tank, pressurize it and deliver it to the fuel supply pipe, and cooperate with the fuel pressure regulator to estab...[Details]
When STM32 uses JTMS (PA13) and JTCK (PA14) as normal I/O ports, add the following code before initialization (the order cannot be reversed): RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE); G...[Details]
On the evening of April 28, Changdian Technology released its first quarter performance report for 2021. The financial report shows that during the reporting period ending March 31, 2021, the company...[Details]
WS (True Wireless Stereo) headphones are mainly a type of audio product that uses Bluetooth wireless transmission. In 2016, Apple released the first generation of AirPods, officially opening the era ...[Details]
On July 9, Japanese market research organization BCN released statistics indicating that due to the US ban on Huawei, major Japanese operators postponed or canceled the sales of Huawei phones, causin...[Details]
Four aspects to look at the development trends and opportunities of the automotive electronics industry The impact of major industry laws, regulations and policies on the operation and development ...[Details]
PLC is a skill that requires constant practice and practice. As a novice, how should I learn it? Where should I start?
In fact, before learning PLC, you should first understand your own ...[Details]
We all know that wired doorbell systems require wires and suitable sockets to work satisfactorily. Since wired doorbell systems require complicated wiring and require experienced people to complete...[Details]
This paper analyzes the characteristics of embedded operating system Windows CE. NET and uses the tool Platform Builder 4.2 to customize it on S3C2410 processor with ARM920T as the core.
...[Details]
As climate change and environmental sustainability become more and more important, horticultural automation has ushered in unprecedented opportunities. Recently, Scythe Robotics has expanded its pr...[Details]
Bloomberg reported that a silent panic is spreading in the U.S. government and corporate boardrooms, who are worried that a law banning Huawei equipment, which will take effect in two months, will th...[Details]
In the fourth quarter of 2019, MLCC prices gradually bottomed out along with the electronics industry, and inventory levels dropped to a healthy level of 70 days. Currently, in terms of global MLCC s...[Details]
——Interview with Zhang Quan, Chief Engineer of State Grid Energy Research Institute
Our reporter Ma Jia
On December 20, State Grid Corporation of China held a press conference on stabiliz...[Details]
In the field of modern audio-visual media, due to the development of SOC, multimedia electronic products with powerful functions and small size are increasingly popular. People no longer need to be...[Details]