The PN junction inside the LED is inevitably affected by electrostatic induction and generates induced charge when it is used in the manufacturing, assembly screening, testing, packaging, storage, tra...
Using TC35 module, use AT command to call dial at OK AT+CGMR 533c09gg.2C2 1752988 062802 17:21 OK AT+CGCLASS="B" OK AT+CGDCONT=1,"IP","CMNET" OK AT+CSQ +CSQ: 30,0 OK AT+CGACT=1,1 OK AT+CGREG? +CGREG: ...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:03[/i] We have chosen question F, but we still don’t understand whether digital filtering should be used in digital equalization. I hope you ...
[i=s]This post was last edited by chenzhufly on 2014-3-8 17:18[/i] Only 5 samples were made, please place your order as soon as possible. The board will be received on the 24th and can be shipped on t...
The terminal sends a DWORD, 23 bits, and it is a negative number. I receive it as byte on the serial port, and the terminal sends it in the order of low bits first and high bits later. That is, if the...
[font=微软雅黑][size=3] I opened Weibo this afternoon and found that I was almost flooded with new products from nubia. I had always thought it was a new brand, but today I finally found out. My colleague...
A single-chip microcomputer is also called a single-chip microcontroller. It is not a chip that completes a certain logical function, but a computer system integrated into one chip. In general, a c...[Details]
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[Details]
From the PIC16F946 datasheet, we know that there are two ways to write values to the LCD for display:
1. Directly write the value to LCDDATA1~LCDDATA23
2. Use disconnect t...[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]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[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]
Introduction
As the country increases its efforts to control the atmospheric environment, motorcycle emission regulations will become stricter year by year, and motorcycles that do not meet the...[Details]
With the rapid development of wireless
digital communication
, more challenges have been raised for integrated circuit design and testing. In the product design stage, in order to ensure
t...[Details]
The launch of Shenzhou IX is imminent, and Tiangong is welcoming visitors again. Yesterday, Professor Fu Qiang, Vice President of the Institute of Science and Industrial Technology of Harbin Instit...[Details]
This article discusses the six design steps of LED lighting system design in detail: (1) determine the lighting requirements; (2) determine the design goals and estimate the optics; (3) the efficie...[Details]
1 Introduction
At present, people have higher and higher requirements for the quality of life. When people are busy with work, soymilk machine is a new type of household beverage machine. It uses so...[Details]
introduction
Belt drive is a common transmission device used in industrial production. Its commonly used speed detection device is a photoelectric encoder installed at the rotating end of th...[Details]
introduction
The air compressor unit in the operating area of a lead-zinc mine in Guangdong is a key equipment in mining production. There are six imported Ingersoll Rand CENTAC air compress...[Details]
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