1.Measurement principle1: Introduction to infrared wavelengthFigure 1Infrared spectrum
The commonly used measurement wavelength range is: 700nm~14000nm2: Object radiationFigure 2 Schematic diagram of ...
[indent][align=left]Diodes are common devices in circuit design, but there are many types of diodes, such as ordinary diodes, Zener diodes, Schottky diodes, etc. So what are the differences between th...
module DSP_RST(input clk_25m, input RESETSTAT, //DSP reset status 0 means reset status 1 means working statusinput LOCKED, //Is the clock module normal?
output ref LRESETNMIENz = 1'b0,//局部复位管脚
output ...
I'm a little sorry that I posted this a little late, because the probe had a little problem when I was testing: after a certain use, the probe had no output. I thought the probe was accidentally damag...
The new materials field ushered in major strategic cooperation. On September 4, GEM announced that the company and China Minmetals Group (Heilongjiang) Graphite Industry Co., Ltd. (hereinafter referre...[Details]
The revised Japanese Electrical Appliances and Materials Safety Law will be implemented from July 2012. After this revision,
LED
bulbs have also become the applicable objects of this regula...[Details]
0 Introduction
In the application of DC/DC switching power supply, the external capacitor at the output load can play the role of filtering and suppressing interference. In som...[Details]
Shocking! The valuation reached 80 billion in one day
Once upon a time, when the rhetoric of the first year of humanoid
robots
was everywhere, I believe most people responded with ...[Details]
According to a report from Reference News on August 16, citing the website of South Korea's JoongAng Ilbo, Samsung Electronics plans to launch three new 5G smartphones in South Korea before next mont...[Details]
References for this article: {A3.5 Memory types and attributes and the memory order model} in ARMv7-A_and_R_Architecture_Reference_Manual 1. Memory Type In the ARMv7-A processor, Memory is define...[Details]
Next, look at the SPI receiver data register RXDAT. The following table shows its entire bit structure. Its addresses are 0x40058014 (SPI0) and 0x4005C014 (SPI1). (1) Bits 0 to 15 (RXDAT) are rece...[Details]
1. Introduction
LED modules are now widely used in electronic products. With the expansion of the application scope and the continuous improvement of lighting systems, the demand for ...[Details]
Canalys recently released a TWS research report, showing that the market as a whole shipped only 58.3 million units in the second quarter of 2021, with the growth rate dropping to 6.4%, a new low in ...[Details]
Cailianshe learned that Changying Precision is a supplier of iPad external keyboards, Apple Pencil and iWatch structural components. Changying Precision said that external keyboards and Apple Pencil ...[Details]
introduction
At present, remote monitoring of oil pipelines, power equipment, oil wells, etc. mainly adopts manual patrol, which has the disadvantages of poor real-time performance, high c...[Details]
Aiming at the shortcomings of traditional vehicle monitoring systems based on single-chip microcomputers, GSM technology, ArcGIS (MapInfo or Google Map), such as single function, high communication...[Details]
LED chip is the core component of semiconductor light-emitting device LED (LED lamp). The principle of LED light emission mainly lies in the PN junction of LED chip. Generally speaking, semiconduct...[Details]
As the COVID-19 pandemic has changed consumers' shopping habits and driven the growth of e-commerce performance, Microsoft announced on Friday (26th) that it will permanently close its physical retai...[Details]
As we all know, all vehicles equipped with engines must meet the National VI emission regulations. Starting from the "Light Vehicle Pollutants and Measurement Methods (China Phase VI)" issued on De...[Details]
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