Hello, everyone~~ In a blink of an eye, 2020 has come to an end~ Today is our last week of evaluation intelligence in 2020~ When the next evaluation intelligence comes, we will have embraced 2021~ Her...
I am a newbie and I am working on sensorless BLDC motor control. The motor voltage is about 4V and it is controlled by an 8-bit MCU with a PWM frequency of 20kHz and a main frequency of 16MHz. Using t...
I made a Zigbee module myself. There is no problem in establishing a connection. However, after more than ten minutes of connection establishment, the module becomes unstable. Why is that?...
The manufacturing material of the heat sink is an important factor affecting the performance, so you must pay attention to it when choosing! The thermal conductivity coefficients of the metal material...
I always read it wrong. I refer to the code in the circle.
void main(){
CS_CLR; //CS_N=0; PG4SUSP_CLR; //SUSP=0; PG5REST_SET;//RST=1; PG1EOT_SET;//EOT=1; PG0DMACK_SET; //DMACK=1; PG3//USB_DATA_OUT PC_...
The role of digital-to-analog converters
Real-world analog signals, such as temperature, pressure, sound, or images, are constantly being converted into digital form that is easier to store, p...[Details]
This article introduces a miniature home electrocardiograph. The instrument has powerful functions: display monitoring, storage, playback, printing, record management, power alarm, telephone or Intern...[Details]
Safety is the top priority in the production process, especially for dangerous operations. When the high-voltage line is shut down for maintenance, it is necessary to follow the regulations of powe...[Details]
Lithium-ion batteries have a high energy-to-weight and energy-to-volume ratio, no memory effect, can be recharged many times, have a long service life, and are becoming increasingly cheaper. A good...[Details]
introduction
Mobile phones, MP3 players, hard disk players, digital cameras, PDAs and other devices are all controlled by navigation keys. Currently, the more popular navigation key contro...[Details]
In the issue of ensuring the safety of drivers and pedestrians, the proportion of electronic technology has increased. According to the survey, 80% to 90% of traffic accidents are caused by driver...[Details]
Introduction
High voltage power supply is an indispensable part of nuclear radiation detection instrument, which supplies high voltage to nuclear radiation detection devices (such as prop...[Details]
The microwave multifunctional therapeutic device uses microwave radiation for heating treatment, which can achieve the effects of sterilization and blood circulation. Using microwaves to directly c...[Details]
0 Introduction
Implantable medical devices can be divided into two types: passive and active. Most passive implantable medical devices are non-electronic products, such as contact lenses, hear...[Details]
Introduction
DFT (Discrete Fourier Transformation) is an important transformation tool for digital signal analysis and processing such as graphics, speech and images.
The amount of calcula...[Details]
With the rapid development of the automobile industry, the requirements for automobile control, communication and networking are becoming more and more complex. The new generation of electronic co...[Details]
Abstract:
The signal flow of the external transceiver in the WCDMA/TD-SCDMA protocol is analyzed. The analysis results show that most of the functional modules in the WCDMA/TD-SCDMA external tr...[Details]
"Where am I? Where am I going? Where is he/she? How far is he/she from me?..." Do you often have such questions like me? In fact, who can deny that these are questions that we often think about, ev...[Details]
More than 80% of the information humans receive from the outside world comes from vision, and about 10% comes from hearing. The provision of people's entertainment needs will naturally transition f...[Details]
Plasma processing in the semiconductor industry is a challenging environment for fluororubber vacuum seals. The ability to seal under high temperature and plasma conditions is critical to maximizin...[Details]
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