[i=s]This post was last edited by lugl4313820 on 2022-4-28 20:14[/i]In the evening, I attended an event for retired seniors in the company. Everyone was a little excited. When I retire, what kind of i...
Step 1: OperationThe RFID system basically consists of a transceiver, antenna, and transponder with a decoder. And how does it work? These cards have a reel in them. When you approach them from a read...
[i=s]This post was last edited by Digital Leaf on 2021-10-15 16:57[/i]In the previous article, I have tried the basic functions of this multimeter, and now I can officially disassemble it.This disasse...
I don’t quite understand why the various online promotions don’t just reduce the fees, but require consumers to apply for them themselves. . .According to online news, Shenzhen has issued several meas...
Static combustion There were two Model S thermal runaway accidents in China and the United States after they were parked. These two accidents have some commonalities. Based on the US NTBS and domesti...[Details]
Let's take the key interrupt as an example to see how to use the interrupt based on the number of devices: Device Tree: tq2440_key { compatible = "tq2440,key"; interrupt-paren...[Details]
1. Camera
The camera part is usually installed on site, which includes a camera, lens, protective cover, bracket and electric pan/tilt. Its function is to take pictures of the monitored area and...[Details]
The field intensity mutation detector described in this article has better performance than many other similar detectors.
It is well known that the electromagnetic field in a place will generate ed...[Details]
Huawei has invested in seven semiconductor companies under the name of Hubble Technology Investment Co., Ltd. If you look closely at these seven companies, you will find that their products are all r...[Details]
In steady current mode, the LED display manufacturer's driver components must provide overvoltage protection. The LED is disconnected from the power supply, so that when the power fails, there is n...[Details]
The main purpose of integrated circuit testing (IC testing) is to distinguish qualified chips from unqualified chips to ensure the quality and reliability of products. With the rapid development of i...[Details]
Activation of new batteries Myth 1: New batteries should be activated through cyclic charge and discharge. The truth: To be precise, the above statement is not a rumor. There is a time difference be...[Details]
Today, I want to talk about another important metric to consider when testing power supply performance: noise measurement. Where does power supply noise come from? Power supply noise is generated f...[Details]
introduction
Setting the reset flag bit is convenient for distinguishing resets caused by different reasons. As a new technology, it is adopted by more and more new microcontrollers. For example,...[Details]
Until now, the high cost of ownership has been a barrier to widespread adoption of non-contact
displacement measurement
control systems. Balluff's Micropulse-AT
solves this problem. ...[Details]
Abstract: This article introduces a low-power automatic identification meter reading system. It introduces its structure, working principle, design thinking in detail, and gives the operation me...[Details]
Portable products are generally powered by batteries. Due to cost and size considerations, there is a trend to reduce the number and size of batteries used in design. If the number of batteries is red...[Details]
Guangzhou, October 18, 2024 /PRNewswire/ -- On October 17, at the new product and service launch event of the 136th China Import and Export Fair (also known as the "Canton Fair"), SGS, an internati...[Details]
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