The recent rapid IoT review post was pasted directly from the web notebook. It was fine when pasted, but later I found that if I didn't log in to the web notebook, I couldn't see the pictures. It can ...
A8 core board, kernel version 4.1.18, the initial serial port devices only have ttyO0-ttyO2, now we need to use ttyO5 serial port, and add uart3, uart4, uart5 in the kernel
The device tree is modified...
In recent years, switching power supplies have developed rapidly due to their high efficiency, small size and good output stability. They have been widely used in various fields such as industry, nati...
STM32F200 on the ST roadmapIt's a headache to read such a long English. Can someone give me a rough idea in Chinese?When stm32L15x comes out, it will be a new problem to choose between stm8L and stm32...
In some applications, such as data loggers, it is desirable to have multiplexed analog outputs. When only a single output is active at a time, a voltage-output DAC">digital-to-analog converter (DAC) a...[Details]
Pulse oximeters, non-invasive instruments used to monitor a patient's blood oxygen saturation, are benefiting from moving away from expensive discrete component solutions toward more integrated design...[Details]
Conventional ECG recorders are one of the main means for doctors to diagnose heart diseases, but they can only record short heartbeats. In many cases, it is difficult to record ECG changes during a...[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]
Today's mobile phone production testing faces an increasingly complex environment, with challenges of multiple frequency bands and multiple standards, pressure on production test speed, and pressur...[Details]
0 Introduction
At present, the analysis of intra-pulse signals in pulse radar has always been a hot topic and difficulty in research. How to measure the intra-pulse carrier frequency more ...[Details]
In the future, a complete automobile safety system must fully combine gyroscopes, accelerometers, steering wheel and brake pedal position detectors, and tire speed detection systems to accurately ...[Details]
IPTV (Internet Protocol TV or Interactive Personal TV), also known as interactive network television, is a new technology that uses broadband network infrastructure, takes home televisions or comp...[Details]
Abstract:
Aiming at the performance requirements of the control system for micro-sized walking robots, a control system that can be used for multi-joint driving of walking robots is introduce...[Details]
Abstract:
Aiming at the problems of repeated design and high cost of existing LED large-screen displays, a modular LED large-screen display is proposed, which can realize flexible configurati...[Details]
With the improvement of people's requirements for vehicle riding comfort and the development of passenger car suspension technology in my country, air suspension is increasingly used in passenger ...[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]
0Introduction
Microactuators, as driving components of microelectromechanical systems (MEMS), have been widely studied. In recent years, actuators made of hard magnetic and soft magnetic m...[Details]
With the popularity of 3G network, some new laptops have built-in 3G wireless network cards, namely G3 laptops. For most users of relatively old computers, if they have a 3G wireless network card, ...[Details]
1 Introduction
The LCD driver terminal integrates the LCD controller, microcontroller, etc., and encapsulates the functions of LCD control and graphical interface display through software....[Details]