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According to the Economic Daily of Taiwan, Hon Hai announced yesterday that it will invest another US$39 million (approximately RMB 248 million) through two subsidiaries in its electric vehicle subsi...[Details]
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1. Quickly and easily analyze the waveforms in a switching power supply with an active power factor correction circuit
In order to obtain high power factor, most switching power supply designs...[Details]
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Recently, Huawei's Xinsheng Community made public Ren Zhengfei's speech at the symposium on improving logistics services on April 1, 2020. In his speech, Ren Zhengfei mentioned that the more difficul...[Details]
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41. When using the Uni-T digital oscilloscope UT2102CE to capture the timing of a parallel port, I can always measure a very strong 50Hz AC but no signal. However, the ground of the oscilloscope is co...[Details]
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The factors that affect the stability of the microcontroller system can be roughly divided into two parts: external factors and internal factors:
1. External radio frequency interference, which...[Details]
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According to 9To5Mac, citing supply chain reports, LG Display has stopped producing LCD iPhone screens and has given up hope of future production. In addition, LG Display said it may stop produ...[Details]
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0 Introduction
The aperture amplitude of the waveguide slot array antenna is easy to control, and it has the characteristics of high radiation efficiency, strong directivity, compact structure...[Details]
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On the evening of May 24, Semiconductor Manufacturing International Corporation announced that due to administrative costs and other reasons, the company's American depositary shares were delisted in...[Details]
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The preamplifier has two functions: one is to select the required audio source signal and amplify it to the rated level; the other is to perform various sound quality controls to beautify the sound...[Details]
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Solar cells are devices that directly convert light energy into electrical energy through the photoelectric effect or photochemical effect. Thin-film solar cells that work with the photoelectric ef...[Details]
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With the advancement of science and technology and the development of social economy, it has become an inevitable trend for electronic code locks to replace traditional mechanical locks. In the past,...[Details]
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/* HC-06 Bluetooth module ATmega16 microcontroller VCC----------------VCC GND----------------GND TXD----------------RXD (PD0 port, set input) RXD--...[Details]
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//*******************PIC16F877A watchdog timer experiment*******************
//
//PORTA, PORTB, PORTC, PORTD, PORTE are input states when reset
//PORTA.4 (RA4) is open-drain output
//
//WDT ...[Details]
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Infrared remote control is the most widely used communication and remote control method. Infrared remote control has the characteristics of small size, low power consumption, strong fun...[Details]
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Theoretically, a trace, a spacer, and another trace are all that is needed to make a capacitive sensor, as shown in Figure 1(a). Simply covering these traces with an insulating transparent plastic ...[Details]