[hide] 1. The power cord of the metal casing is generally connected to the ground (FG) of the casing. It must be reliably grounded to ensure safety. Do not mistakenly connect the casing to the neutral...
As the title says, I have consulted LED driver chips, and they said that it can only be achieved by simulating PWM signals with a single-chip microcomputer.
I am new to microcontrollers.
Could you ple...
Part 2 (1) mainly studied the contents of Chapters 13-17 [b] 1. Porting RT-Thread to STM32 and creating threads [/b][align=left] Why do we do both chapters together? Because porting one chapter alone ...
Altera's FPGA devices need to use a dedicated downloader, USB Blaster, to download configuration files (parallel port downloaders were used a long time ago, but since parallel ports have been eliminat...
Does anyone know of a phase-shifting chip, preferably one with a larger bandwidth that can achieve the phase-shifting function? I want to phase-shift a signal within a certain bandwidth and hope to ge...
The temperature is measured by thermocouple, PID is adjusted by single chip microcomputer, and the solid state relay is triggered to realize linear temperature rise. However, when the grid voltage cha...
Calibrators are widely used in university experiments. Among them, there are two experiments in nuclear physics experiments in modern physics experiments (GM counter and β absorption) that require ...[Details]
Although improper medical device product design is not always associated with medical device-related errors. Studies of users have shown that lack of adequate training accounts for 70% to 90% of suc...[Details]
The U.S. Food and Drug Administration (FDA) points out that home health care is the fastest growing area in the medical device industry. Driven by the increase in average life expectancy, the increasi...[Details]
Ultrasound systems are among the most sophisticated and complex signal processing instruments in widespread use today. Like any complex instrument, there are many trade-offs to be made in implement...[Details]
For more than 10 years, analog-to-digital converters (ADCs) have been widely used in industrial process control, medical instruments, communication systems, radar and other products as a booster of in...[Details]
Preface
TD-SCDMA mobile communication standard is the world's third-generation mobile communication standard with independent intellectual property rights in my country. It has become a highli...[Details]
As the demand for wireless and wired services in the communications market continues to grow, the telecommunications industry recognizes the need to break away from the shackles of proprietary or p...[Details]
Popular consumer electronics products such as game consoles, digital televisions (DTVs) and personal computers are becoming more and more versatile and feature higher performance. The enhanced data...[Details]
1 Introduction
In recent years, with the rapid growth of mobile phones and MP4 video players, it is estimated that the production of mobile phones this year will reach 1 billion units, and...[Details]
introduction
Controller Area Network (CAN) is a bus standard proposed by Bosch of Germany to solve the information communication between automotive electronic control units. With its excel...[Details]
Preface
In recent years, many compact portable electronic products have been developed, such as mobile phones, digital cameras, MP3, MP4, PDA, GPS and DVD, etc. They are not only small in size...[Details]
Abstract: This paper introduces the origin and new features of MP4, and introduces the core audio compression technology MPEG-2 AAC (Advanced Audio Coding) based on MP4. Finally, it briefly summari...[Details]
A correct circuit design cannot be manufactured 100% correctly when it is taken to the factory for manufacturing. It will always be affected by various uncertainties, such as deviations in manufact...[Details]
With a 31-step dimming range, existing LED drivers offer good dimming capabilities, providing smooth backlight boosting or dimming effects for LCD displays. However, when the end application involv...[Details]
Abstract: By controlling the supply voltage of the radio frequency (RF) power amplifier (PA) in a CDMA/WCDMA cellular phone, the PA efficiency can be improved, heat generation can be reduced, and t...[Details]