I used the UT-6410 development board from Youjian, the Linux kernel version was 2.6.28, and the LCD was 7 inches. I used the MFC test program that comes with Youjian (they do not provide source code) ...
A few days ago, I wanted to use external interrupts, using level triggering (this can add button debounce, but edge triggering doesn't work), but when I debugged the program, I found that the external...
For example, the commercial housing sold in the community was not equipped with an electricity meter. Later, they had to pay for the installation of the electricity meter. I paid the electrician more ...
Now I have a very difficult problem (for me). I originally had a USB hardware (industrial camera) and its driver, and a software (VC++ image processing) that can be developed to connect and use with t...
Node, gateway & cloud. [b]Nodes,[/b] devices used to collect information or control things, typically include processors, sensors, connectivity, power management and some analog signal chain. The sele...
Now configure the power-on sequence of the NCN6001 chip as follows: WrSPICmdOne(0xa5); WrSPICmdOne(0x83); DelayMS(1); WrSPICmdOne(0x87); DelayMS(6); WrSPICmdOne(0x97); After this configuration, the IC...
Designers use PSpice primarily to simulate analog circuits. However, it can also be used to simulate digital filters. The main components in a digital filter are delay elements, adders, and multipl...[Details]
Embedded systems are the replacement products of computer technology, communication technology, semiconductor technology, microelectronics technology, voice and image data transmission technology, and...[Details]
Medicines are special commodities. If patients are given the wrong medicine, fake medicine, inferior medicine or expired medicine, it will pose a threat to people's health and lives.
In recent...[Details]
The particularity of portable medical devices determines that they should be user-friendly, must work in a sterile environment, and occupy little space and consume low energy.
At the same time, por...[Details]
Many medical applications require portable, self-powered devices that do not require external power and data cables. The most obvious example is a portable data logger that patients carry with them to...[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]
Wireless personal area networks (or WPANs) are particularly useful for sensing, monitoring, and control applications. Cost-effective WPANs have the unique potential to implement wireless connectivi...[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]
Multi-parameter monitor is an important device in clinical nursing. It can monitor the patient's ECG, blood pressure, blood oxygen saturation, respiratory rate, pulse rate and temperature. At present,...[Details]
introduction
The data detected by various
measuring instruments
often need to be transferred to a PC for data processing and archiving, so as to make full use of the rich hardware an...[Details]
introduction
Traditional electric actuators are easy to use and save investment, and have been widely used in production process control systems in the fields of electricity, metallurgy, petro...[Details]
With the continuous development of the national economy, the application of variable frequency speed regulation devices is becoming more and more extensive. How to break the monopoly of foreign produc...[Details]
0 Introduction
One of the basic tasks of machine vision is to obtain image information from the camera and calculate the geometric information of objects in three-dimensional space, so as ...[Details]
Linux and Android
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