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The battery is not marked with the ampere value, so you cannot use a digital multimeter or other instrument panel to accurately measure the battery ampere value. You can only accurately measure the w...[Details]
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Net profit plummeted 328% year-on-year, which is the most "eye-catching" figure in Changan Automobile's Q3 financial report. Changan Automobile is struggling to escape losses due to its declining s...[Details]
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As mentioned before, only two advanced timers TIM1 and TIM8 of STM32 can have complementary output. The six-step PWM output we are talking about here requires complementary output, so only TIM1 and TI...[Details]
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Introduction
Bootloader is a small program that runs before the kernel of the operating system runs. Its main function is to complete the initialization of software and hardware devices, establ...[Details]
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This article was written a bit slowly because I had to figure out some details, but I will write it in more detail.
1 /*
2************************************************ **********...[Details]
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● Startup file selection
1. Low-density devices (STM32F10nx4 = 16k, STM32F10nx6 = 32k)
- startup_stm32f10x_ld_vl.s: Small capacity value type. STM32F100xx series, flash memory 16k~32k bytes.
- st...[Details]
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The interrupt program defines the interrupt entry address at the beginning of the program. The interrupt enable bit must be turned on during initialization. The overflow status bit does not need to be...[Details]
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On October 21, Tesla said that the wireless charging system it developed for Cybercab has a charging efficiency of "far more than 90%", in response to outside doubts that its efficiency is lower th...[Details]
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By 2020, my country plans that non-fossil energy will account for 15% of total energy consumption. Renewable energy such as wind and solar energy will be widely used, and the development of renewab...[Details]
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According to the China Trade Relief Information Network, on December 1, 2021, the U.S. International Trade Commission (ITC) voted to initiate a 337 investigation into certain integrated circuits, c...[Details]
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1 Basic principles
Photoelectric direction finding refers to the use of photoelectric systems to determine the direction of a target. This is an important component of optical radar and optical...[Details]
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U.S. President Trump said on Wednesday evening that "as a goodwill gesture", he would postpone the date of increasing tariffs on $250 billion of Chinese goods and products from October 1 to October 1...[Details]
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Pickering Interfaces, a leading supplier of modular signal switches and electronic test and verification simulation equipment, has announced the addition of a series of 50GHz modules to its 40-785B P...[Details]
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In 2021, data accumulation is no longer a problem; regulations are no longer a problem, L3 vehicles have been allowed on the road, and Robotaxi has been allowed to charge fees in many cities in China...[Details]
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The current-fed push-pull inverter circuit is shown in Figure 1-1. In the figure, the DC voltage is sent to the center tap of the transformer Tr through the inductor L1. L1 and the capacitor C2 c...[Details]
Analog electronics
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