①Why should we learn and use oscilloscopes?②Introduction to oscilloscope probes, measurement and compensation calibration③Vertical system of new oscilloscopes④Horizontal system of new oscilloscopes⑤Cu...
Live Replay: Safety Series 19 - Wireless Charging Authentication in Compliance with the Wireless Charging Consortium (WPC) : https://training.eeworld.com.cn/course/67756...
Using 51 MCU, AD9833 cannot output waveform, but the voltage of the output pin is normal, which is 0.62V. The output voltage of AD9833 is 0.65V in the data sheet, but there is no waveform. The 25M cry...
Automotive OEMs must meet lower CO2 emissions standards while improving vehicle features and performance to remain competitive. This major challenge is being overcome through vehicle electrification, ...
There are a total of 192KB of SRAM inside the HuaDa HC32F460 microcontroller, of which 32KB is a fast SRAM area, SRAMH. The so-called SRAMH fast SRAM means that when the CPU runs at a high frequency, ...
The rated capacity of a CR17450 battery is 2300mAh. What does this 2300mAh mean? Does it mean that when powered by 3.0V and the current is 2300mA, it can be discharged continuously for 1 hour? What do...
1. Introduction
With the rapid development of modern science and technology, electronics, power electronics, and electrical equipment are increasingly widely used. The high-density, wide-s...[Details]
When backlight applications are saturated, the most promising and anticipated application market for LEDs will shift to general lighting. Currently, the penetration rate of LED backlights for TVs h...[Details]
This paper first introduces the wireless medical monitoring technology based on WPAN, then introduces the technical implementation based on JN5121 chip, and experimental verification. Finally, the dev...[Details]
Biometrics refers to the use of computers, optics, acoustics, biosensors, biostatistics and other high-tech means to closely combine personal identification technology with the inherent physiologic...[Details]
Tesla Model 3 was the only electric car that could be called a "hot seller" in the United States in 2019, crushing all its competitors. Tesla Model 3 sales in the U.S. were close to 160,000 last y...[Details]
This is my first time writing, and I don’t know what to write, so I’ll just copy an STM32 system clock initialization template function to share with novices for reference, and keep it as a backup fo...[Details]
The emergence of the world's earliest wearable device can be traced back to 1975, when Hamilton Watch launched the Pulsar calculator watch. This small product with a calculator chip became synonymo...[Details]
This article is the second in a series of articles reviewing the development of
white
LEDs
through past reports by Nikkei Electronics
. It mainly covers part of the report "
Nichia
Ch...[Details]
The float level switch is a common type of liquid level switch. Due to its high precision, high reliability and high stability, it is widely used in industry, metallurgy, hydraulics, electricity, prev...[Details]
In this article, you'll learn how OLED technology works, what types of OLEDs there are, the advantages and disadvantages of OLED compared to other light-emitting technologies, and some of the probl...[Details]
According to Shangguan News, in the early morning of May 9, China Cargo Airlines' CK248 cargo charter flight arrived at Shanghai Pudong Airport from Osaka, carrying a total of 41 tons of materials, i...[Details]
On November 5, a Samsung mobile phone with model number SM-G998U obtained NFC certification. The report pointed out that SM-G998U is the Samsung Galaxy S21 Ultra, the super cup in the Galaxy ...[Details]
Apple is expanding its independence in key chips and is reportedly developing radio frequency (RF) components. It is also imitating the foundry model of its A-series and M-series processors to TSMC a...[Details]
To popularize LED lamps, it is necessary not only to significantly reduce costs, but also to solve technical problems. Doug Bailey, Vice President of Marketing at Power Integrations, shared his exp...[Details]
IC and drive circuit Four pairs of discrete device complementary tubes and RM8Z magnetic core circuit diagram
Figure IC and drive circuit Four pairs of discrete device complementary tubes and RM...[Details]
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