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1. Power amplifier circuit and 125Khz carrier measurement Point A is the measurement point of the oscilloscope, and the signal carrier is the 125KHz waveform generated by the microcontroller. Actua...[Details]
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Early morning news on September 24, according to a British operator, Apple will hold an iPhone 12 launch conference on October 13 and start accepting pre-orders on October 16. iPhone 12 may be rele...[Details]
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Before Apple's fall conference began (1 a.m. Beijing time on September 11), Tianfeng International analyst Ming-Chi Kuo also gave a latest report, which revised some previous statements, and th...[Details]
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Recently, SAIC-GM-Wuling's GSEV high-performance power battery system and Hongguang MINIEV were selected for the new energy vehicle industry development achievement exhibition. The GSEV high-perfor...[Details]
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In the first half of the year, affected by the sluggish automobile demand in the European and American markets, the revenue and profits of leading automotive manufacturers such as Infineon and NX...[Details]
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On the afternoon of May 9, Wang Jianfeng, secretary of the county party committee, and Cheng Runda, chairman of Meimiao New Energy Technology (Hebei) Co., Ltd., held a discussion on the promotion of t...[Details]
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NAU8822L is a low-power, high-quality stereo audio codec for portable and general-purpose audio applications launched by Nuvoton Technology. NAU8822L integrates all these drivers and speaker preamp...[Details]
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The automotive industry is currently studying how to safely deploy autonomous driving on a large scale, and must be able to cope with various key challenges at the L4 and even L5 levels. In addition...[Details]
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EDF Energy, one of the UK’s “big six” energy suppliers, is looking to build a domestic battery portfolio and move into the energy services market through a new partnership with manufact...[Details]
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A multi-point temperature control heating control system was designed using the SST89E564RC single-chip microcomputer and a new temperature measuring device. The heating system can be controlled in...[Details]
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__create_page_tables:
pgtbl r4, r5 @ page table address
/* Clear the 16K level 1 swapper page table */
mov r0, r4
mov r3, #0
add r2, r0, #0x4000
1: str r3, , #4 ...[Details]
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Electromagnetic fields in the home Background electromagnetic field strength generated by power transmission and distribution equipment Electricity is transmitted over long distances using high-volt...[Details]
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Whether it is the fresh experience brought to users by the products themselves or the popularity, the most famous wearable terminal devices are AR/VR. However, the development of such products has be...[Details]
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1. First, HSE_VALUE in stm32f10x.h #if !defined HSE_VALUE #ifdef STM32F10X_CL #define HSE_VALUE ((uint32_t)12000000) //Change to 12MHz here // #define HSE_VALUE ((uint32_t)25000000) /*! Valu...[Details]
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When using probes for testing, many people think that as long as the bandwidth of the probe is sufficient, the measurement result will be correct. In fact, this is not the case. Many factors in the s...[Details]
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