The SEK-SVM40 evaluation kit includes a VOC sensor SGP40, a humidity sensor SHT40, and a microcontroller that can output VOC index, relative humidity, and temperature via an I2C or UART interface.
The...
Given UI=19.6V, the current amplification factor of transistors VT1 and VT2 = 50, Ube1=Ube2=0.7V, Uz=+5.3V, R1=300 ohms, R2=200 ohms, R3=300 ohms, RC2=2.5K ohms. Try to calculate the maximum current o...
As the title says, if possible, could you please tell me the general steps... It would be better if you can be more detailed~~~ I will be very grateful!!!...
Instrument Basics Tutorial Series - Signal Generator : https://training.eeworld.com.cn/course/4778What is a signal generator? What are the types of signal generators? What are the characteristics, per...
I got a very nice light bulb from a friend. The wick inside is shaped like a flower. I have never seen such a thing before. So I wanted to make a romantic flower lantern to create a warm atmosphere at...
Ask: How to expand the size of Eboot? I am using pxa270, and now I need to display a logo when EBOOT, so I just need to compile the image into eboot. I modified the following two items and the corresp...
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
Google's driverless technology is not only an eye-catching technology, but also a subversion of the car usage model.
Those who have watched anti-terrorism films and TV dramas must have been im...[Details]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[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]
Overview
As a remote network communication control method with advanced technology, high reliability, complete functions and reasonable cost, CAN-bus has been widely used in various automa...[Details]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[Details]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, this proportion may be as high as 30-40% as more safety electronics, fuel consumption and ...[Details]
Motors are important products that convert electrical energy into mechanical energy to achieve automation, and they are widely used in industrial control, medical electronics, white a...[Details]
1. Overview
At present, an information revolution is in the ascendant around the world, led by microelectronics, computers and communication technologies, and centered on information technolog...[Details]
1 Introduction
With the improvement of people's quality of life, lamps are no longer just basic indoor lighting tools, but also a kind of practical art for architectural decoration. When ther...[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]
Fruit planting is an important part of China's agricultural development, and fruit tree pest control operations are becoming more and more important. At present, the overall level of pesticide applica...[Details]
Sensor
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