[indent][align=left]Diodes are common devices in circuit design, but there are many types of diodes, such as ordinary diodes, Zener diodes, Schottky diodes, etc. So what are the differences between th...
Shared bikes are really good, and provide a very good experience for users. But why are they still so bad? In fact, it is because of competition. If one company could monopolize the operation and turn...
WiFi has been expanding its capacity and applications from computers and networks to mobile, consumer, and IoT-related devices. The WiFi industry set the WiFi 6 standard to cover low-power IoT nodes a...
There is an RGB_LED on the AB32VG1 development board. The schematic diagram of the RGB_LED is shown in Figure 1, through which you can learn how to use GPIO.Figure 1 RGB_LED circuit
The pin connection...
In fact, I had almost no experience with embedded systems before. I only learned 8-bit microcontrollers, which were simple things! Then I learned assembly language programming and C language for 80...[Details]
Portable gas detectors are a guarantee of worker safety and are currently widely used in all walks of life. Any environment with combustible gas, toxic and harmful gas should be teste...[Details]
A clamp meter is an instrument that combines a current transformer and an ammeter in one. It is an important branch of a digital multimeter. It is a portable instrument that can directly measure the ...[Details]
1. Experimental tasks As shown in the figure, the P0 port of the AT89S51 microcontroller is connected to the font code pen section of the dynamic digital tube, the P2 port is connected to the digital...[Details]
Debugging environment
Software: RealView MDK 4.03q
Hardware: JLINK v7, TQ2440 development board
When I first started learning ARM OS-free programming, I used Tianqian's TQ2440_Test project, which i...[Details]
STC51 microcontroller has a flash-like function EEPROM, which can save data when power is turned off. Different models can save data of different sizes. Taking 12C5A60S2 as an example, the size of th...[Details]
The current GPS navigation application is very mature and has a relatively high accuracy. However, in indoor places such as underground parking lots, the GPS signal is very weak and it is impossib...[Details]
Power line communication technology is a communication method that uses power lines to transmit data and voice signals. This technology loads high-frequency signals carrying information onto power lin...[Details]
In recent years, with the rapid development of digital signal processing technology, digital signal processing technology has been widely used in various fields. Therefore, the performance of analog...[Details]
On April 20, at the same time as the 20th Shanghai International Automobile Industry Exhibition (referred to as the 2023 Shanghai Auto Show), the GTIC 2023 China Smart Car Innovation Summit was offic...[Details]
On November 18, the Ministry of Industry and Information Technology released a message on its website, publicly soliciting opinions on the "Lithium-ion Battery Industry Standard Conditions (2021 Edit...[Details]
Detailed explanation of 8051 MCU instruction definition - (ADD A, )
ADD A, src-byte
Function: Addition.
Description: The ADD instruction can be used to complete the addition of the sou...[Details]
//==================Delay function========================
//5/4 is the value obtained through repeated experiments with software simulation under 8MHz crystal oscillator
//1141 is the value obtaine...[Details]
Recently, the US government issued a trade restriction order against Huawei and other companies, which caused an uproar in global public opinion. Many people are asking: Can Huawei survive? A 20,00...[Details]
CAN bus (Controller Area Network) is a communication protocol used in the field of automobile and industrial automation. It has the characteristics of high reliability, real-time and flexibility. H...[Details]