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As a clean energy, solar energy has attracted much attention, so improving the utilization rate of solar energy has become a research hotspot. Theoretical analysis shows that the energy receiving...[Details]
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The microcontroller source program is as follows: /* ***************************************************** */ /* ***************************************************** */ // Project: 51 MCU Deve...[Details]
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On May 12, 2008, a magnitude 8.0 earthquake struck Wenchuan, Sichuan Province, China, which touched the hearts of every Chinese. The earthquake brought huge damage to the lives and property of the ...[Details]
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1. RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE); //Enable GPIOC clock
Why do some CortexM3 peripherals need to configure the RCC clock before configuration?
Because CortexM3 is clock-driv...[Details]
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Contestants measure the voltage waveform at the output port of the signal generator Problem analysis: Use a signal displayed on the oscilloscope to ask whether the corresponding electromagnetic wire ...[Details]
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The internal pull-up and pull-down resistors have a typical resistance of 40K ohms. Check 5.3.12 I/O port pin characteristics of STM32F103x6/STM32F103x8/STM32F103xB DATASHEET as follows: The red b...[Details]
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The world's top car audio system that creates a sense of presence with "perfect synchronization"
"AlpineF#1Status(AlpineF#1Status)"
The culmination of Alps Alpine's technology...[Details]
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High Voltage Variable Frequency Drive (HV VFD) is a device used to adjust the speed of high voltage and high power motors. It consists of multiple parts, including rectifier, inverter, filter, PID ...[Details]
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1. Understand the meaning of each symbol on the dial and the primary function of each knob and selector switch. The range should be selected so that the pointer deflects to about 2/3 of the full sca...[Details]
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Common Problems in Using Coating Thickness Gauges for Nondestructive Testing
1. Why can't my TT230 be turned on after not being used for nearly a year?
A: When receiving a newly purchased thickne...[Details]
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1. How to measure DC voltage? Answer: First, you need to set the coupling mode to DC, adjust the vertical gear to an appropriate value according to the approximate range, and then compare the displac...[Details]
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Designers are trying to use low-power audio amplifiers with negative-swing capabilities to achieve higher audio performance than traditional single-ended amplifiers. Negative-swing switches allow mu...[Details]
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1. Development Environment Host: VMWare--Fedora 9 Development board: Mini2440--64MB Nand, Kernel:2.6.30.4 Compiler: arm-linux-gcc-4.3.2 2. Background knowledge 1. Hardware requirements for LCD op...[Details]
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According to Counterpoint Research data, Apple became the largest smartphone manufacturer in China in the fourth quarter of 2021, and its market share in China also hit a record high. The report show...[Details]
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Auto-coupling step-down starting and star-delta starting are two commonly used motor starting methods. They have different effects on the current and torque of the motor during the starting process...[Details]
Test/Measurement
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