[code] while(true){ assert(errno==0);//The error number here is equal to 0 int ret=select(nfds+1,&readFs,NULL,NULL,&timeOut); if( ret>0 ){ assert(errno==0x3d0002);//It must be 0x3d0002 (S_objLib_OBJ_U...
The AD of STC5410AD microcontroller is 10 bits, and the resolution is 5mv. This resolution cannot meet my requirements. I don't want to add an op amp, and I want to increase the precision of AD to 12 ...
:pleased: I am the patrol sent by the king, ring the gong~~~ Today I found a wave of very interesting PCB boards, hurry up and show them to you~~ Creativity 100~Really beautifulGive you a small green ...
I have a customer here. The original equipment was heated by a medium frequency furnace. The heating speed was too fast. Now he wants to heat it by a frequency converter. A segmented heating function ...
I need to design an optocoupler isolation circuit, the input is a 5-24v digital signal, the output is 3.3v connected to the GPIO port (digital input DO) of stm32, please recommend an optocoupler chip...
After the SD card is initialized, it keeps sending commands. When will the initialization be completed? The order of sending commands is: CMD5-------->CMD0------>CMD1-------->ACMD41(CMD55+AMCD41) ----...
A line scan lens is an industrial lens used with line scan cameras. Its imaging principle is to capture the image of the workpiece using a linear sensor and then perform digital signal processing t...[Details]
introduction
The concept of the smart home is gradually developing and gaining market acceptance. We believe its ultimate form lies in the interconnection of all home appliances through open i...[Details]
introduction
According to the China Fire Statistics Yearbook, electrical fires accounted for more than 30% of fire accidents in the past decade, and the trend is increasing year by year. They ...[Details]
There are basically three causes of spontaneous combustion of electric vehicles: The first is that the battery components are punctured or suffer fatal damage due to a collision accident, and part ...[Details]
Electric vehicles are powered by electricity, and charging is a device that supplements the vehicle's energy source. It is common to need to recharge the vehicle when driving. But can you charge th...[Details]
UPS stands for Uninterruptible Power Supply, which includes energy storage devices. It is mainly used to provide uninterruptible power supply for devices that require high power stability.
...[Details]
Inverter power supplies on the market can generally be divided into two categories: sine wave inverters and square wave inverters. Some engineers also like to categorize pure sine wave inverters as...[Details]
Methods of DC motor speed regulation:
1. The voltage regulator can be used to change the input voltage and speed directly, which is often used for large kilowatt-level motors.
2. Thyristo...[Details]
Smartphones can be incredibly unintelligent. For example, consider an office full of people, each absorbed in their work. Suddenly, the silence is broken by a burst of loud pop music. A colleague's...[Details]
Hair dryer structure and working principle: It is mainly used for drying and shaping hair, but it can also be used for local drying, heating and treatment in laboratories, physiotherapy rooms, ind...[Details]
The power transmission system between a car's engine and drive wheels is called its drivetrain. It ensures the necessary traction and speed under various driving conditions, and coordinates these t...[Details]
In a previous article, we introduced
the origin of
AVTP
and the meaning of the various header fields when using it to transmit audio. This article will explain the meaning and constraints of...[Details]
According to foreign media reports, Apple is secretly evaluating several artificial intelligence hardware concepts, including smart home displays, security devices and a desktop robot, of which the...[Details]
Arm helps automakers bring new models to market at least a year earlier.
Zena CSS accelerates software and silicon development, enabling faster and more efficient delivery of AI cap...[Details]
Shock absorbers, as the name implies, are responsible for cushioning and absorbing shocks in a car. So how much do you know about shock absorbers and how to replace them in electric cars?
...[Details]
Real-time operating system RTOS
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