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July 7th news, Nintendo released the Nintendo Switch OLED version last night. While the size of the console has hardly changed, the screen of the Nintendo Switch OLED version has been upgraded from ...[Details]
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Crystalline silicon solar cell conversion efficiency
1. Conversion efficiency loss mechanism of silicon solar cells
The conversion efficiency of solar cells is limited by light absorption, ...[Details]
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1. Schematic diagram
When electronics enthusiasts make equalizing capacitors and speaker frequency division inductors, a slight error will damage the sound quality. Here we introduce to the m...[Details]
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The 2019 Nobel Prize in Chemistry was awarded to American scientists John Goodenough, Stanley Whittingham and Japanese scientist Yoshino Akira for their contributions to the development of lithium-...[Details]
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For servo motors that require angular rotation position feedback, pulse width modulation (PWM) signals are generally applied to precisely control movement. Engineers can change the angle and directio...[Details]
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1. Introduction The standard structure of MCS51 microcontroller has only one set of full-duplex UART serial ports, P3.0-RXD for receiving and P3.1-TXD for sending. If you want to complete multi-chan...[Details]
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1. Because I accidentally failed to flash Android 2.3 with fastboot, the development board was bricked. Later, I flashed Android 4.0.4 back through USB with dnw tool. The summary is as follows:
...[Details]
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Realization of Low-cost Voltage-controlled Filter
In the field of speech and music synthesis, voltage-controlled filters are often used to shape the envelope of the generated sound signal....[Details]
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OTA (Over the Air) testing has been paid more and more attention by manufacturers and operators. Now, communication products must pass the TRP (Total Radiated Power) and TIS (Total Isotropic Sensitivi...[Details]
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Today, realme Vice President Xu Qi warmed up for realme GT2 Pro. Xu Qi said that realme GT2 Pro will be the world's first to launch a new antenna technology, bringing consumers unprecedented ...[Details]
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Application of Rotational Viscometer in Pharmaceutical Industry
One of the most important applications of rotational viscometer in the pharmaceutical industry is to measure the viscosity of pharmac...[Details]
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The development of automobile chassis has gone through the evolution process of mechanical chassis, to mechanical chassis + electronic control system , and then to wire-controlled chassis. On Novem...[Details]
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Flat panel display
technology
represented
by
LCD
(
liquid crystal
) and PDP (
plasma
)
is now quite mature. In addition to the concepts of high definition, full high ...[Details]
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Gigabit network interface has the advantages of fast data transmission rate, convenient connection and plug-and-play, which makes it widely used. With the development of electronic technology and p...[Details]
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Recently, the Shandong Securities Regulatory Bureau disclosed the announcement of Yantai Zhenghai Technology Co., Ltd. (hereinafter referred to as "Zhenghai Technology") accepting guidance for its in...[Details]