I want to ask an expert, I plan to use REF3133 as a reference source to provide 3.3V.
The maximum input is 7V. For this kind of reference source, does the input have to be a certain voltage higher tha...
When using a single-chip microcomputer as a switching power supply, the single-chip microcomputer port is often burned out for no reason. Finally, it was discovered that it seemed to be a problem with...
I connected two identical USB devices to my PC. Usually, the USB port can provide 500ma current, and the power consumption of the devices I connected is less than this value. However, when I connected...
[b]vTaskDelay(prg); The delay configuration has been enabled in the header file, and the hook function of the user idle task is empty. Below is the configuration file FreeRTOSConfig.h[/b]Below is the ...
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]
Microcontrollers (MCUs), which are widely used in automotive electronics, are rapidly facing time and cost pressures. The main advantage of using MCUs has always been to create high-level system in...[Details]
Abstract: In order to generate a stable excitation signal, the design of a digital frequency synthesizer is implemented on FPGA using Verilog hardware language. The design includes accumulator, wav...[Details]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[Details]
With the continuous improvement of the requirements of intelligent building security systems and the continuous improvement of people's safety awareness, indoor anti-theft has gradually attracted peop...[Details]
This controller uses PIC16C54 single-chip microcomputer as the controller, and it is very easy to use: just connect a telephone line to the loudspeaker through the controller, and you can rem...[Details]
LED technology has made rapid progress, and improvements in chip design and materials have promoted the development of brighter and more durable light sources, and the scope of light source applica...[Details]
1. Overview
At present, an information revolution is in the ascendant around the world, led by microelectronics, computers and communication technologies, and centered on information technolog...[Details]
1 Introduction
With the improvement of people's quality of life, lamps are no longer just basic indoor lighting tools, but also a kind of practical art for architectural decoration. When ther...[Details]
Key Points
1. Now, in addition to high-end smartphones and tablets, users also expect to use touch screens in other applications, and they are gradually appearing in cars and instruments.
...[Details]
Overview
By transmitting ultrasonic energy into the human body and receiving and processing the returning reflected signals, phased array ultrasound systems can generate images of organs and s...[Details]
Every time I go home and walk up the stairs, I am always scared. The corridor lights are often broken, and no one changes the bulbs, or they are not smart enough and need to be operated manually. E...[Details]
The capacity of a battery depends on the amount of charge and discharge, in addition to some factors of the battery itself. Obviously, if the charge and discharge of the battery can be recorded all...[Details]
The power consumption of a switching power supply includes fixed losses caused by parasitic resistances such as semiconductor switches, magnetic components, and wiring, as well as switching losses ...[Details]
Current
measurement:
Magnetic balance Hall current
sensor
is used
. The sensor can measure AC from DC to 100kHz.
In automatic measurement and control systems, it is often nec...[Details]