I have a digital ammeter. It had a problem three months ago. The situation is as follows: AC 220V power supply. Some of the main chips are as follows: ICL7650S chopper-stabilized high-precision operat...
[align=left] [font=宋体]The author is a graduate of Xidiantong Institute in 2013. Based on the job search this year and the summary of classmates around him, the salary of major companies is summarized ...
RT, when I was chatting with an agent yesterday, he said that some CM3 models are not subject to the 100-times limit on flash read and write. Is this true?...
Basic knowledge of inverterFrequency Converter Basics 1 VVVF ?? Abbreviation for Variable Voltage and Variable Frequency. ?? 2 CVCF ?? Abbreviation for Constant Voltage and Constant Frequency?? The vo...
I would like to ask what these peripheral devices and communication interfaces are used for. I hope there can be a more specific explanation.I’ve been searching online for a long time, but I haven’t s...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:52[/i] Basic requirements: 1) Realize the acquisition, storage and display of multiple temperature signals by the MCU 2) Realize the dual-mac...
High efficiency and low standby power consumption are two major challenges in today's switching power supply design. Resonant topology or LLC topology is becoming increasingly popular because it ca...[Details]
introduction
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[Details]
When choosing a laptop battery, you should consider several factors, such as power, appearance, and quality.
Regarding power, we often see that a manufacturer uses values such as the number ...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
With the development and widespread application of computer technology, especially in the field of industrial control, computer communication is particularly important. Although serial communication g...[Details]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[Details]
Capacitors
are basic components in various electronic devices and are widely used for bypassing, coupling,
filtering
, tuning, etc. in electronic circuits. However, to use capacitors,...[Details]
LED guardrail lights use fluorescent tubes or LEDs as light sources and continuous guardrails as carriers to form an approximately linear guardrail light strip. This article mainly introduces...[Details]
0 Introduction
In order to improve the automation control of shortwave transmitters, so that they can automatically process from far to near, the technicians here use the ICS system to complete the ...[Details]
Distributed Wireless Communication System (DWCS) uses distributed antennas, distributed processing control, joint signal processing and other technologies to improve the system's spectrum efficie...[Details]
For battery-powered portable devices, in addition to breaking through the limitations of processing power, the performance of portable system power supplies also needs to be continuously improved. ...[Details]
1 Introduction
At present, advocating health has become the focus of people's attention, and the emergence of treadmills has become more and more popular. People can exercise at home or in the ...[Details]
introduction
Temperature and humidity are the main environmental parameters of industrial and agricultural production. It is of great significance to measure them accurately and timely. Using a s...[Details]
1 Introduction
With the rapid development of my country's economy, the country has introduced a series of policies such as preferential policies, subsidy policies, and old-for-new policies, wh...[Details]
As countries around the world are leaning towards the new energy battery industry, lithium-ion power batteries, as the ideal energy source for the development of the 21st century, are attracting mo...[Details]
Test/Measurement
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