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Analysis of AC voltage drive circuit and design principle
The AC circuit implementation scheme is explained with a simple 2×2 dot matrix driving circuit structure, as shown in Figure 3. In the figu...[Details]
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Beijing time, January 15, according to the latest antitrust lawsuit jointly filed by multiple states in the United States, Google CEO Sundar Pichai personally approved a deal with Facebook. Th...[Details]
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A digital voltmeter is designed using the microcontroller AT89S51 and ADC0809. It can measure DC voltage values between 0 and 5V and has a four-digit display, but uses the least number of components...[Details]
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Many colleagues have reported that they have replaced all the components of a faulty mobile phone, but the phone cannot be repaired. In most cases, they do not have a thorough understanding of the mob...[Details]
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In the design of multi-channel passive radar signal processor, the DSP chip TMS320VC5409 is used
to control
the
interface
circuit
of four DDC chips HSP50214B
, and key technologi...[Details]
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The circuit of the single-chip microcomputer measurement and control system is relatively complex, and there are many reasons for interference. The following are some commonly used anti-interferenc...[Details]
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FLASH memory is also called flash memory. There are two main types: NorFlash and NandFlash. Let's compare and introduce them from multiple angles. In actual development, designers can make reasonab...[Details]
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"Cobalt Granny" is angry again. Raise the price! Raise the price! It is worth noting that the increase in cobalt prices this time is very unusual. We often hear in weather forecasts: there will be ...[Details]
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In recent years, as iPhone sales have declined, Apple has begun to turn to the entertainment industry. At Apple's fall conference on September 11, 2019, Apple announced the official launch of Apple T...[Details]
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In the 5G era, real-time communication is still an indispensable basic business capability. 5G has entered the accelerated development stage from the infrastructure construction stage, so what is t...[Details]
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In the past two years, we have continuously exerted our strength in the field of new energy. For hybrid vehicle configuration, we have established a technical route of multi-architecture parallel a...[Details]
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Unisoc held a media open day event with the theme of "New Unisoc" at its Shanghai headquarters. Unisoc CEO Chu Qing explained the "New Unisoc" from five aspects: strategy, management, technology, qua...[Details]
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Undoubtedly, the development of Internet of Vehicles is now surpassing the development of traditional
technology
. Whether it is joint ventures such as Audi, Buick, Toyota, Ford, or new indepen...[Details]
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Low power consumption using stop mode: 1. All IO ports can be configured as analog inputs. There is no need to configure pull-up input or pull-down input for each IO port separately. GPIO_InitT...[Details]
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On Friday (26th), Xiaomi announced that Xiaomi 11 Ultra will be the first to launch a super-fast charging silicon-oxygen negative electrode battery . Xiaomi said that Xiaomi was the first to apply th...[Details]
Microcontroller MCU
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