1. ConfessionA boy had a crush on a girl for a long time. One day during self-study class, the boy secretly passed a small note to the girl, which read "Actually, I have noticed you for a long time." ...
Switching power supplies and uninterruptible power supplies are widely used. As commercialized switching power supplies and uninterruptible power supplies, they are one of the first products in China ...
I wrote an AD conversion program for MSP430F149. I burned it into the microcontroller and found that it always displays a number (not zero, 1.77V) when there is no analog input voltage. I checked the ...
How to debug after the kernel is downloaded to the board? After the download is successful, the debugger toolbar appears, but when I select break, there is no response. What is the problem? A BW t HB ...
The driver I wrote before can be used normally. Today, I need to use it. I took out the program and found that the program can't be used. It always stops in the busy query loop. I don't know what's go...
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[Details]
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]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[Details]
1. Introduction
With the gradual automation and modernization of industrial control systems, fieldbus control systems have received more and more attention and application. CAN bus is currentl...[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]
1 Introduction
Intelligent control instruments are one of the most commonly used controllers in industrial control. They are mainly aimed at a specific parameter (such as pressure, tempera...[Details]
1 Introduction
The Third Steel Plant of Jigang Group is a key investment project of Jigang Group during the "15th Five-Year Plan". It has introduced first-class domestic and foreign advanced eq...[Details]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[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]
With the widespread application of new services and technologies in the communications industry, the scale and capacity of operators' network construction are getting larger and larger, and the ris...[Details]
At present, how various communication technologies will evolve after 3G is a focus of great concern in the industry. Especially for TD-SCDMA, whether it can achieve smooth evolution to the next gen...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
1 What is an LED floodlight?
LED downlights are also called spotlights, projection lamps, and spotlights. They are mainly used for architectural decorative lighting and commercial space lighti...[Details]
store
To prevent moisture, LEDs should be stored in a dry and ventilated environment with a storage temperature of -40°C to +100°C and a relative humidity below 85%.
The LED should be use...[Details]
Nowadays, more and more people have digital cameras. The convenience and speed of digital cameras have gradually replaced film cameras and become the main tool for people's daily photography. The n...[Details]
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