#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...
Today, Lenovo Group Vice President Chang Cheng announced on Weibo that a new phone will be released again on May 22. Chang Cheng said: "See you on May 22." He indicated that there will be a new launc...[Details]
Melexis launches new magnetic position sensor chip, AEC-Q100 certified and supports ASIL-B functional safety level
Flexible, programmable solution for measuring both rotary and linear motion
...[Details]
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MODRR is the module path selection register, which is used as the mapping pins of CAN0/4 and SPI0/1/2. For example, if CAN0 is selected as PM0/1 pin, configure MODRR_MODRR0&1=0. When MODRR_MODRR4=0, ...[Details]
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Last night (8), Huawei held an online spring new product launch conference in China, launching the Huawei P40 series and other new products. Today (9), Huawei Consumer Business CEO Richard Yu accepte...[Details]
Relationship between storage controller, CPU and other peripherals We can see that the CPU has a storage manager integrated into it, and all peripheral storage devices are connected to this sto...[Details]
I. Overview: The s3c2440A provides three independent asynchronous serial ports, each of which can operate in interrupt mode and DMA mode, that is, the UART can generate an interrupt or DMA request fo...[Details]
An instrument for measuring the velocity of water in rivers, lakes, channels and other water bodies. There are three types: mechanical, electrical and ultrasonic. Mechanical types are mainly rotor-ty...[Details]
On March 12, Professor Tian Yu of Tsinghua University and his delegation visited Beijing Green Vanadium for a visit and exchange, and had in-depth communication with Dr. Hu Bo, the founder of Green...[Details]
Consumers today expect brighter and larger displays in mobile, portable and home products. However, higher brightness and higher resolution usually mean more power consumption and bulkier products. ...[Details]
Basic features:
①Adopts adaptive incremental (8) modulation (ADM). ②The
addressing capacity of YYH40 is 512k bits.
③One or two DRAM chips can be selected as external memory.
...[Details]
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Measuring resistance with two wires is very convenient, but it can introduce measurement errors. This error can be nearly eliminated by using a multimeter with 4 wires and separate source and measu...[Details]