Can anyone tell me why the calibrated measurement range of the electrochemical formaldehyde sensor is 1-5ppm and the actual measurement range is 1-4.981ppm? What is the reason for the smaller actual m...
Today I started to transplant uclinux on the 44b0 board produced by Dasheng. As a result, there was a problem in the first step of burning the bootloader. I hope an expert can help me solve it. I will...
[i=s]This post was last edited by blacker on 2016-7-22 20:00[/i] Once upon a time, I just learned C language. Actually, before that, when I was in high school, I also learned VB. At that time, I had j...
RT-Thread 1.1.0 official version released The Mayan prophecy of the end of the world in 2012 did not come, but our RT-Thread 1.1.0 official version has arrived as promised. Let's take a look at the pr...
This evaluation did not yield any results and was mostly about asking questions, and now there is another problem. The board will be sent back tomorrow and I am thinking about playing with it. I saw t...
The following question is about WIN IX86. I have written several simple kernel programs, but I am still confused when I look at the display related information in DDK. I would like to ask if you can t...
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[Details]
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[Details]
The solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
1. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[Details]
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[Details]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[Details]
VP2188 is a color STN LCD module produced by Jingdian Pengyuan. This module is a dot matrix transmissive color STN display screen with a color scale of 65 k colors and white LED backlight. Its core...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
OC faults may be the most frequent and the most frequent of all faults in the inverter. They alarm during the startup process, during the shutdown process, during operation, and even when powered o...[Details]
Preface
In recent years, white light LEDs have gradually replaced incandescent bulbs and fluorescent lamps because they have unparalleled advantages over traditional light sources in terms...[Details]
Since the late 1990s, with the demand for higher system efficiency and lower power consumption, the technological update of telecommunications and data communication equipment has promoted the deve...[Details]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[Details]
0 Introduction
With the rapid development of social economy and science and technology, electric locomotives, subways and electric vehicles will be widely used. The power conversion and cont...[Details]
Sensor
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