The function is: send a character (such as e) to the microcontroller, and then the microcontroller returns the string "I get e", serial port communication.
Copy code#include reg52.h#include intrins.h
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[i=s]This post was last edited by jinyi7016 on 2022-10-31 10:59[/i]First of all, EEWORLD and DFRobot chose me to try out these Xingkong boards.
After receiving the development board, unpack and start ...
There are four commonly used delay methods in C language, as shown in Figure 4-2.Figure 2-4 C language delay methodFigure 4-2 shows four common delay methods used in C language programming, two of whi...
Since there is only one user key on board, it is very limited when setting parameters. For this reason, it can be equipped with a membrane soft key for key expansion. The membrane key has a total of 4...
[size=4] What is the initial value of the RAM inside the MCU after it is powered on? What are its characteristics and rules? Today, I will share with you some of the problems I encountered in the proc...
The repair of used batteries will be kept secret for now. Please see the automatic charging picture. 1: At the beginning of charging, if the battery can be charged with a large current, it will automa...
Kou Wei, Chairman of State Grid Corporation of China, proposed at the company's "Two Sessions" this year: "Three years of hard work, three years of improvement, and the comprehensive establishment ...[Details]
PWM pulse width signal modulation is a pulse signal widely used in the modern electronics industry, and its typical application is steering gear control . Based on Proteus and Keil software, th...[Details]
According to Bloomberg, this week, electric car maker Tesla announced that its chief technology officer, JB Straubel, is leaving. Straubel said he was taking a break and then going back to "create th...[Details]
1. Before initializing UART0, you need to initialize ACLK, SMCLK and MCLK. In the sample code, XT1 is used, ACLK is 32768, and SMCLK and MCLK are about 8MHZ. 2. The UART clock can refer to ACLK or SM...[Details]
MIUI's official Weibo account said that today is May 17, the National Day for the Disabled. MIUI has been working hard for seven years, hoping that everyone can enjoy the wonderful life brought by te...[Details]
In January this year, Lu Weibing, vice president of Xiaomi Group, president of China, and general manager of Redmi brand, announced a major news. He said that in 2021, Redmi will focus on the e-sport...[Details]
After revealing many details about the Galaxy Buds Live through the Gear Wearables app, Samsung seems to have "give up on itself" and officially released the complete user manual for this true wirele...[Details]
Introduction to MAXQ
The MAXQ series of microcontrollers are high-performance 16-bit RISC devices designed for low-noise operation and are ideal for battery-powered mixed-signal applications....[Details]
As a real-time embedded operating system, VxWorks usually uses interrupts to meet the real-time requirements of the system.
Therefore, it is crucial to be familiar with the interrupt processi...[Details]
Hipot Tester Instructions
Check the withstand voltage tester:
1 Check whether the instrument casing is reliably grounded.
2 Check whether the indication of each display meter is "0".
3. Ch...[Details]
Abstract: This paper introduces an embedded video network
server
system in detail: the video data compression part is completed by the ASIC chip of the MPEG-X protocol, and the embedded CPU is ...[Details]
According to Reuters, people familiar with the matter revealed that EU countries and EU lawmakers will meet on June 7 to discuss the details of the universal charging interface for mobile phones...[Details]
Since the introduction of a complete set of production lines and advanced equipment to China in 1998, after more than 20 years of development, the upstream, midstream and downstream of domestic mac...[Details]
1. Experimental tasks
Let's use the table-fetching method to implement the advertising light, so that port P1 can make a single light change: move left 2 times, move right 2 times, and flash 2 ti...[Details]
This paper proposes a voting-type single-chip multi-machine redundant design scheme. This scheme is different from the multi-machine redundant design of the central system. Large-scale system red...[Details]