Mobile phone (client) ---- Computer (server) cmnet dial-up is fine. During the TCP handshake, the server can receive SYN and return SYN+ACK, but cannot receive the last ACK. Then it receives SYN again...
I have some questions about the RCD circuit in the flyback and rectifier power supply. Please discuss and answer the questions.
Below is a flyback RCD circuit
The following is a forward RCD circuit
Wh...
I am currently designing a high-power (over 60W) LED light source, using the LM3433 solution, referring to Ti's circuit. Now I don't know how to deal with the power supply, because the LM3433 requires...
During debugging, the PIC microcontroller always burns out. The phenomenon is that the microcontroller actually smokes. It is suspected that there is a problem with the peripheral circuit of the PIC m...
I found this on Allwinner's WeChat account. Why is the Raspberry Pi also being replaced? In one word: expensive
Most of BQ Technology's early printers used Raspberry Pi as the control motherboard to c...
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]
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]
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]
Most
embedded
systems are powered from a 48V backplane. This voltage is typically stepped down to a lower intermediate bus voltage of 24V, 12V, or 5V to power the circuit board racks withi...[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]
Abstract: This paper introduces the controller, interface, display principle and driving method of the handheld computer LCD display based on the SA1110 microprocessor. Combined with the HPC projec...[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]
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 continuous development of digital television, the demand for high-definition is imperative. H.264, as a new generation of compression standard, has a more complete algorithm than MPEG-2, ...[Details]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, as more safety electronic devices, fuel consumption and fuel emission control electronic s...[Details]
Analysis of automotive sensor testing requirements
At present, the control system used in automobiles can be functionally divided into three parts: sensor unit, control unit and execution ...[Details]
In the past one or two years, driven by Apple's iPhone, the smartphone market has expanded rapidly. An important feature of portable products such as smartphones is that they have more and more fun...[Details]
1 Introduction
Virtual instrument VI (Visual Instrument) is a kind of instrument system that uses the powerful hardware and software resources of computers as the support of instruments, a...[Details]
1 Introduction
Combination weigher is also called selection combination weighing instrument. It is composed of multiple independent weighing units with feeding and discharging structures. ...[Details]
1 H4006 chip introduction
The operating frequency range of H4006 is 10~15MHz, and 13.56MHz is usually selected for identity recognition. There is a 64-bit programmable memory on the ch...[Details]