C5268

According to reports on September 20, according to the official public account of Gongxin WeChat, as of now, my country’s cellular IoT end users have reached 2.148 billion, the number of IoT companie...[Details]

1. Principle Introduction The control circuit of the digital tube is introduced in detail in "51 Single-Chip Microcomputer (VIII)", and the hardware circuit is shown in the figure below. In this ex...[Details]

Write a data transmission program for serial communication, send 16 bytes of data from RAM50H to 5FH on the chip, set the serial interface to mode 2, use parity check mode, and set the crystal freque...[Details]

1 Introduction At present, semiconductor light emitting diodes (LEDs) have been widely used in lighting fields such as indicator lights, instrument displays, mobile phone backlights, and vehicle-moun...[Details]

This article introduces a high-performance, low-cost AV combination suitable for middle school students who are interested in electronics, which can enhance the listening experience of living rooms wi...[Details]

1. Experimental topic Guess the number game: The serial port sends one of the HEX data 0x01, 0x02, 0x03 to the 51 microcontroller, corresponding to the key1-key3. After sending the data, the p...[Details]

1.TTL level:          Output high level 2.4V, output low level 0.4V. At room temperature, the general output high level is 3.5V, and the output low level is 0.2V. Minimum input high level and low lev...[Details]

On July 3, a report from China Science News stated that Ma Cheng, a professor at the University of Science and Technology of China, developed a new type of solid electrolyte. Its comprehensive perfor...[Details]

According to foreign media reports, the latest report from market research company iSuppli stated that due to the popularity of Apple's iPhone, touch screen technology has become a hot topic in the...[Details]

Recently, researchers from the Taizhou Research Institute of Zhejiang University are installing and debugging the IGBT module automatic curing furnace equipment. According to Zhejiang Online, the inv...[Details]

According to foreign media reports, Apple recently announced on its official website that it will take out $410 million from its Advanced Manufacturing Fund (AMF) to reinvest in optical materials and...[Details]

When we talk about exception vectors, we will think of interrupt vectors. In fact, interrupts are a subset of exceptions, which means that interrupts are actually a type of exception. Back to the e...[Details]

Spectrum analyzer is a commonly used analytical instrument, mainly used for detecting radio frequency and microwave signals, and has certain applications in many fields. There are some common problem...[Details]

       AMD's new Ryzen 7 5800X3D has a very good performance with its large cache, but with a few exceptions like UserBenchmark, a major drawback of this new AMD CPU is that it is not an unlocked chi...[Details]

Implementation Plan The design of the lightning protection system should meet the following principles: 1. The protector does not affect the normal operation of the protected equi...[Details]