Figure 1 LQG15HS18NJ02D packageFigure 2 LQG15HS18NJ02D circuitHow can I determine the polarity of LQG15HS18NJ02D? In other words, is the end close to VccRF the corresponding dark part or light part in...
The anti-theft alarm introduced in this article can be used as a door opening lighting controller and an anti-theft alarm. Its performance is very stable and reliable, with almost no false alarms, and...
I encountered such a problem when I was working on a project of zigbee network. I want to use zigbee to build a wireless network to collect temperature and humidity and the latitude and longitude sign...
I want to use DHT22 (am2302) temperature and humidity sensor to connect 51 MCU, and use 1602 LCD to display temperature and humidity. I would like to ask if you have this program that I can learn (in ...
P1dB Specifications for the MAX2116 Satellite TunerOverviewThis application note provides P1dB data for the MAX2116 over its operating range for specified RF frequencies and baseband gain settings. Th...
The Portable Digital Data Acquisition System (PDDAS) uses LabVIEW Real-Time and PXI to control the wind tunnel test and record air pressure data from 128 different channels.
"The LabVIEW Real-...[Details]
My colleague and I spent the day chatting in the hotel bar. We had met with several customers. We were both wondering how come these engineers we were meeting knew almost nothing about analog techn...[Details]
This paper establishes a fuel cell engine test platform based on the NI integrated hardware and software environment. This platform can realize the test and control of fuel cell engines and their a...[Details]
In the analysis of electronic circuits, static analysis (also known as DC analysis) is the basis of circuit analysis. However, it is well known that electronic components are nonlinear, so the anal...[Details]
RS-422 and RS-485 are both serial data interface standards, which were developed and published by the Electronic Industries Association (EIA). RS-422 defines a balanced communication interface with a ...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
Describe how to meet the challenges of complexity with a modern wiring design toolset. Option codes and expressions can simulate the variables of an automotive project. A full-featured tool suite c...[Details]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]
Among the uses of electrical energy, lighting accounts for a considerable proportion. Compared with the earlier ordinary incandescent lamps, the fluorescent lamps and energy-saving lamps we commonl...[Details]
Movpower is a portable power bank. It can charge most mobile phones and digital products, such as digital cameras, PDAs, and mobile phones such as Apple, iPod, Blackberry, Motorola, Samsung, Nokia,...[Details]
1. Tips for charging UPS for the first time
After purchasing a new UPS, plug the UPS into the 220V mains power grid and charge it for at least 12 hours to ensure that the battery is fully char...[Details]
IntroductionLED
billboards are a kind of information display terminal for the public, which has a wide range of civil and commercial values. However, the information displayed on most LED bil...[Details]
This article introduces a high-reliability, high-power automatic water supply device made with 89C2051 single-chip microcomputer, which has phase loss detection, over-temperature detection, over-cu...[Details]
At present, more than 40 fieldbuses have been developed in the world, among which CAN bus is suitable for application in automobile inspection lines because of its unique features such as strong re...[Details]