A schematic diagram of a Bluetooth speaker found on the InternetNote:1. The resistors, capacitors, and diodes marked NC in the schematic diagram all indicate components that are not soldered on the PC...
The traffic light control system is designed using the 61 board and the traffic light module V3.0. The following functions are required: 1. The system has two states, the setting state and the display...
NTC thermistor temperature measurement, using the half-table lookup method, the microcontroller is stc12c5410ad with 10-bit AD, the table data ntctab[]=1024*Rm/(Rm+Rntc), the displayed result is 00, p...
Can bus, people who are engaged in automotive electronics should be very familiar with it. It is widely used in automobiles. Its stage name is control local area network. (Please search Baidu for the ...
Inverter power supply is called "tomorrow's power supply". Its application in welding equipment has brought revolutionary changes to the development of welding equipment. First, the inverter welding p...
The compiler I use is IAR FOR ARM. The chip I use is STM32. It's probably like this. The startup code changes the entry function. Reset_Handler LDR R0, =SystemInit ;BLX R0 LDR R0, =main ;Assembly labe...
The Portable Digital Data Acquisition System (PDDAS) uses LabVIEW Real-Time and PXI to control the wind tunnel test and record air pressure data from 128 different channels.
"The LabVIEW Real-...[Details]
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[Details]
1. Introduction
With the gradual automation and modernization of industrial control systems, fieldbus control systems have received more and more attention and application. CAN bus is currentl...[Details]
We know that microcontroller development tools generally include real-time online emulators and programmers. Among them, online emulators are very good tools, but they are also more expensive...[Details]
1 Introduction
The Third Steel Plant of Jigang Group is a key investment project of Jigang Group during the "15th Five-Year Plan". It has introduced first-class domestic and foreign advanced eq...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
Since the late 1990s, with the demand for higher system efficiency and lower power consumption, the technological update of telecommunications and data communication equipment has promoted the deve...[Details]
store
To prevent moisture, LEDs should be stored in a dry and ventilated environment with a storage temperature of -40°C to +100°C and a relative humidity below 85%.
The LED should be use...[Details]
1 Load Regulation
Changes in power supply load will cause changes in power supply output. When the load increases, the output decreases, and vice versa, when the load decreases, the output inc...[Details]
Rated capacity refers to the maximum output power of the UPS (the product of voltage V and current A).
Usually, the UPS power supplies sold on the market are marked with "W" (watt) for smaller...[Details]
summary
This article will briefly analyze the success and shortcomings of high-frequency DC-DC switching power supplies in the process of miniaturization (the second basic goal), and propose m...[Details]
introduction
The Steyr diesel engine produced by Weifang Diesel Engine Factory has huge power and is one of the main power models widely used in China's heavy machinery and large trucks. In ...[Details]