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On July 3, according to XDA, Google added new navigation gestures to the upcoming fifth test version of Android Q (Android Q beta 5). The report pointed out that Google added a side return function i...[Details]
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The three-phase motor is based on the rotating magnetic field of three-phase alternating current. When the three-phase alternating current passes through the stator winding of the motor, a rotating...[Details]
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There was a comment in an article before that is very thought-provoking: (China) has too many companies trying to come up with their own CPU design, but few have enough reasons to explain why they nee...[Details]
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1. Determination of STM32 ADC sampling frequency
First look at some information to determine
the clock of the STM32 ADC:
(1) The ADCCLK clock provided by the clock controller is syn...[Details]
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introduction
In actual applications, due to changes in customer needs or program bug corrections, it is often necessary to upgrade the microcontroller application. This article uses
the Run-T...[Details]
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We all know that explosion-proof servo motors are required in any occasions where combustibles (gas, volatiles, liquids, dust, etc.) may be ignited and explosive environments may be generated. For ...[Details]
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The basic structure of a transistor is two PN junctions connected in reverse, as shown in Figure 1. There are two combinations: pnp and npn. The three terminals are called emitter (E), base (B) and...[Details]
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The China Academy of Information and Communications Technology released an analysis report on the operation of the domestic mobile phone market in September 2020. The report showed that in Septemb...[Details]
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Compared with inductor-based voltage controllers, charge pumps have the advantage of small size and are widely used in portable products to provide negative power supply voltages. Combining a ...[Details]
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H3C has launched a LoRa®-based campus wireless networked smart door lock solution, using LoRa® devices and the LoRaWAN® protocol to create wireless networked smart door lock applications, achieving s...[Details]
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Generally, you can use an SD card to update the system. I didn't know the principle before, but I learned it recently and made a record of what I learned. The platform used is AM335X, the system is...[Details]
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Zuosi Auto R&D released the "2023 Commercial Vehicle Intelligent Chassis Industry Research Report", which reviewed the development status of commercial vehicle intelligent chassis and the related pro...[Details]
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Nowadays, smart phones are constantly updated, and all new products have bigger screens and faster processors, from dual-core to quad-core. However, while the screens and processors are constantly ...[Details]
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When configuring the external line interrupt of the PC13 pin, the multiplexing function is used when configuring its external clock: RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC|RCC_APB2Periph_AFIO,EN...[Details]
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The so-called capacitor is an electronic component that holds and releases electric charge. The basic working principle of the capacitor is charging and discharging, of course, there are also rectifi...[Details]
Microcontroller MCU
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