This is the data of an NMOS tube. When testing VGS(th), how many V should the VDS voltage be?
The test conditions only state: ID=250uA, VDS=VGS, and it does not specify the V voltage used for VDS.
I h...
How to design a high-precision CT phase meter using an independent metrology ADC : https://training.eeworld.com.cn/course/5292This module provides details on the characteristics of shunts and current ...
PCB design is one of the necessary design skills for every electronic engineer and is an important part of electronic product design. This article collection lists some basic knowledge of PCB design, ...
This article explains how to continue using the Blynk app + server (local) + Zero-knowledge ESP8266 hardware to control the RGB LED tricolor light through a mobile phone APP.1. Hardware1. Computer, Wi...
Introduction The 8051 core microcontroller is a general-purpose microcontroller that occupies a large market share in China. Keil has been the most successful in using C language for the 51 core ...[Details]
The development of silicon-based optoelectronic technology can integrate discrete active and passive devices in the lidar system's transmitting and receiving modules onto a chip, making the lidar s...[Details]
In the afternoon of November 3, Pony.ai, a domestic autonomous driving startup, announced that it had reached an agreement with China FAW in October 2020 that the two parties will carry out in-depth ...[Details]
The circuit schematic is as follows: /******************************** Program function: modbus RTU mode setting reads the status of sixteen relays and the settings of the internal holding register...[Details]
A study by DNV GL has found that hydrogen produced from renewable energy will become an economical energy carrier that can supplement electricity, accelerate the decarbonization of indu...[Details]
According to Gartner's latest forecast, global IT spending is expected to reach US$4.5 trillion in 2022, an increase of 5.5% compared to 2021. "More organizations will build new technologies and s...[Details]
While Shanghai is suffering from the epidemic, an interesting scene is quietly happening.
"Please move aside. Please take precautions during the epidemic." In the lobby on the first floor of t...[Details]
A research report released by Strategy Analytics pointed out that in 2020, the number of Samsung Tizen devices in use worldwide increased by 21% year-on-year to 162.3 million, and the Tizen smart TV ...[Details]
Optical
Sensor
is a device that converts light signals into electrical signals. It plays a vital role in automated production. With its excellent performance and wide applicability, Leuze o...[Details]
Recently, the IoT industry has a new favorite - Cat.1 All major operators, module manufacturers, and terminal manufacturers have endorsed it. What is its origin? First of all, what is Cat.1? The Cat ...[Details]
Use of files
1. Experimental purpose
Learn the API functions related to files and display the text files on the screen.
2. Experimental content
Use the API functions provided by th...[Details]
At present, the digital revolution represented by the Internet and big data is profoundly changing the national economic form and lifestyle. State Grid Corporation of China is accelerating the cons...[Details]
The current status of low-light cameras
First, from the perspective of Sony CCD used in the market, in terms of the source of low-light camera research and development, the work that upstream ...[Details]
As shown in Figure 7.4, the waveform being measured has 5 positive pulses and 4 negative pulses, but the measurement results show 4 positive pulses and 3 negative pulses. Why is this? Figure 7.4 De...[Details]
Traffic accidents are more likely to occur at night and in rainy and foggy weather. How can we improve safety in such situations? Unlike lidar or millimeter-wave radar, thermal imaging is not affec...[Details]
Test/Measurement
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