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Regarding the protection of low battery voltage, today I have designed a battery power shortage protection circuit for you. The manual switch is a hiccup protection with an interval of about 30 secon...[Details]
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1. The assembly volume of vehicle-mounted millimeter wave radars continues to grow and is expected to reach more than 24 million units in 2025. In 2021, China's new passenger car millimeter wave ra...[Details]
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The input circuit of the switching power supply mostly adopts a capacitor filter type rectifier circuit. At the moment of the incoming power supply closing, since the initial voltage on the capacit...[Details]
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STM32 clock system In STM32, there are five clock sources: HSI, HSE, LSI, LSE, and PLL. ①HSI is a high-speed internal clock, RC oscillator, with a frequency of 8MHz. ②HSE is a high-speed externa...[Details]
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The stack pointer points to the data SRAM stack area. The subroutine stack and interrupt stack are gathered here. The stack space must be defined before calling a subroutine and enabling interrupts, ...[Details]
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Most of the bare metal development materials for OK6410 are under Windows. Use RVDS to write bare metal programs, compile and burn them to the development board for running. However, I have not ins...[Details]
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The Redmi K30 Pro Zoom version recently pushed the MIUI 13 stable version, which is 4.3GB in size. MIUI 13 has mainly made improvements in stability, privacy protection and other aspects. It ...[Details]
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On May 8, according to foreign media reports, electric car manufacturer Tesla has applied for a patent for a new type of battery without tab electrodes, which is called "Cell with a Tabless Electrode...[Details]
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Audio/Voice User Interface (VUI) is an important emerging trend in future human-computer interaction. It will be increasingly used in vertical fields of IoT such as smart home control, building aut...[Details]
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;Three-byte unsigned division procedure (R2R3R4/R7) = (R2)R3R4 remainder R7 ;Entry: R2, R3, R4, R7 ;Occupied resources: ACC, B, F0 ;Stack requirement: 3 bytes ;Exit: (R2), R3, R4, R7, OV NDIV31 :MO...[Details]
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According to statistics and analysis by the China Association of Automobile Manufacturers, judging from the production and sales data for August 2019, both production and sales volumes did not reach ...[Details]
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Generally speaking, each network card (NIC) has more than one LED (Light Emitting Diode) indicator light to indicate the different working states of the network card, so that we can check whether t...[Details]
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(1) Be careful when moving and disassembling the meter, handle it with care, and avoid severe vibration or impact to avoid damage to the meter parts, especially the bearings and hairspring. (2) When...[Details]
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We all know that there are two major types of communication: serial and parallel. The biggest advantage of serial is that it occupies less bus, but the transmission rate is low; parallel is just the ...[Details]
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Circuit principle:
STK6303 is a high-power thick film integrated circuit of Sanyo Company. One circuit is divided into two sides, A and B. It is still rare in China, and its internal circuit schema...[Details]
RF/Wirelessly
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