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Not long ago, a Waymo driverless taxi and a cyclist had an accident in San Francisco. The accident occurred around 3 pm local time. After the accident, the cyclist was not seriously injured and did...[Details]
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The characteristics of various aspects of the current mode transimpedance preamplifier are summarized as follows:
☆ Circuit Name: Current Mode Transimpedance Preamplifier
☆ Function: Convert the ...[Details]
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Recently, Shenzhen Technology responded to investors' concerns about core technologies and other issues on the interactive platform. An investor asked, what other core technologies does Great Wall De...[Details]
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According to BusinessKorea, Chinese LCD panel manufacturers are stepping up their offensive. Market research firm IHS Markit said on May 1 that Chinese panel manufacturers accounted for 33.9% of glob...[Details]
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用圆形LED改制异型或复色LED
常见的圆形塑封发光二极管的直径有φ3、φ3.5、φ4、φ10等多种。其外形如图所示。
图是4-3（b）、（c）、（d）用锉刀和钢锯加工成的发光二极管。加工后需用竹签缠脱脂棉，沾牙膏摩擦抛光。如嫌不光泽，可将整个发光二极管往氯彷液中放一下，叙述提起，然后放在通风的地方晾干，这时LED面貌焕然一新。
图4...[Details]
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The degradation of battery performance is a natural result of use and aging, but it is also accelerated by lack of maintenance, harsh operating environments, and poor charging practices. The follow...[Details]
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In the circuit, the power supply of NE5534 is provided by two integrated voltage regulators 7818 and 7918 to provide positive and negative power. From the circuit, it can be seen that the positive po...[Details]
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Using current as a voltage transformer is a more cost-effective alternative to injection transformers sold as test accessories. Engineering labs are often equipped with network analyzers, but rarel...[Details]
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As smartphone performance continues to upgrade, the mobile game market is booming, and more and more realistic games are loved by gamers. It can be said that creating a real game world is a goal that...[Details]
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Note: GPIOA, GPIO_Pin_0 corresponds to key1; GPIOA, GPIO_Pin_1 corresponds to key2; GPIOA, GPIO_Pin_2 corresponds to LED1; GPIOA, GPIO_Pin_3 corresponds to LED2 #include "stm32f10x.h" #include "...[Details]
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51 MCU C language PWM speed control reference program
Regarding frequency and duty cycle, for a 12M crystal oscillator, assuming that the PWM output frequency is 1KHZ, the number of timer in...[Details]
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According to Jiwei.com, in September this year, vivo had a new phone registered with the Ministry of Industry and Information Technology. According to a domestic digital blogger, this new phone, name...[Details]
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The company's non-GAAP total revenue was $280 million, a year-on-year increase of 23%; GAAP total revenue was $267 million, a year-on-year increase of 18%. Non-GAAP software and services revenue wa...[Details]
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Canalys predicts that sales of smart accessories such as wearables and TWS devices are expected to grow by 30% next year due to the impact of the coronavirus. The company said that people will turn t...[Details]
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Maximum clock (referring to system clock): external crystal oscillator 24MHz, internal high-speed RC 16MHz Three clock sources: external crystal, internal high-speed RC (power-on default) + intern...[Details]
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