Abstract: Combining the two hot topics of infrared anti-theft alarm and ZigBee technology, the hardware design and software development of the wireless infrared anti-theft alarm system based on ZigBee...
I want to use 51 to make an electronic lock, but I don't know how to do it. I hope you can give me some ideas, and it would be best if you can attach a circuit diagram or something....
The phenomenon encountered is that after powering on, ADN8834 works normally at first, and then after powering on again, it is found that the supply current increases and the voltage is pulled down. A...
In my personal experience, there are some common misunderstandings in wireless selection: 1. Communication rate. For example, many companies advertise that the rate of NRF2401 is 1MBPS. However, in fa...
I am doing a 232 communication, hoping to send a hexadecimal number such as 0XFE to the PC, and then the PC can read the hexadecimal number through the program written by DELPHI. Does anyone have this...
As a natural human-machine interface, voice can make the in-vehicle navigation system safer and more user-friendly. Through the functional comparison of domestic and foreign in-vehicle navigation s...[Details]
1 Introduction
The multifunctional monitor is a commonly used clinical medical device. It can display the patient's electrocardiogram (ECG), respiration (RESP), blood oxygen saturation (SP...[Details]
Due to the needs of medical development, in many cases, general thermometers can no longer meet the requirements of fast and accurate temperature measurement, such as measuring human body temperature ...[Details]
Signal sources have developed to a very wide range today. We can classify them according to the frequency range: ultra-low frequency (0.1m~1kHz), audio (20Hz~20kHz), video (20kHz~10MHz), radio fre...[Details]
introduction
Cars are becoming an indispensable part of people's lives. However, what worries car users is that the theft of cars is increasing year by year. This paper aims to design a conven...[Details]
This article first briefly introduces the working principles of current mode and voltage mode and their respective advantages and disadvantages; then discusses the ideal voltage mode using output c...[Details]
introduction
Usually, there are many input and output ports in RF systems, and it is expensive to use a multi-port network analyzer to analyze scattering characteristics. Therefore, it is ...[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 pres...[Details]
summary
Theoretically explains how to set up a PFC boost regulator using a current sensing transformer with the UCC3817 control IC.
1. Schematic
The schematic diagram is show...[Details]
A well-designed electronic load is not designed just for use in the lab; it should be carefully designed and built to test actual power systems. This is true for military portable systems, such as ...[Details]
1. Introduction
The UCC28051 reference design is a 100W offline AC/DC voltage converter with power factor correction (PFC). This power module design is intended to illustrate how to proper...[Details]
Application of TWLA500 in ADC and related fields
FAE: On-site technical support.
Provide technical support for the application of the products you sell, and handle quality issues ra...[Details]
With the advent of the new economic era represented by the Internet, PCs have lost their former glory, and smart 3C products (Computer, Communication and Consumer) will set off a new wave. As one o...[Details]
In recent years, with the rapid economic growth, wireless communication has developed rapidly. Since spread spectrum signals have the characteristics of anti-interference, confidentiality, anti-det...[Details]
Abstract:
This paper introduces the excitation system designed for 3/3 phase double winding induction generator, which is composed of DSP and FPGA. The interface circuit of the control sys...[Details]