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introduction
With the rapid development of my country's economy, the contradiction between economic growth and resource consumption and environmental pollution has become increasingly prominen...[Details]
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ARM processors have seven working modes: user mode, fast interrupt mode, external interrupt mode, management mode, data access abort mode, undefined instruction abort mode, and system mode. Except fo...[Details]
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Oscilloscope ADC Bits and Effective Bits The number of bits in the analog-to-digital converter (ADC) in an oscilloscope is one of the most widely known specifications. Many engineers consider it the ...[Details]
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1. Development Environment 1. Applicable chips: All STM32F4 chips 2. Firmware library: STM32F4xx_DSP_StdPeriph_Lib_V1.8.0 3,IDE:MDK517 2. Driver source code Delay.h...[Details]
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I saw a post today: It said that a programming expert is simply a code generator! He can think of the following program while typing, faster than a lady typing!
I just want to laugh...
Friendly rem...[Details]
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At present, the price decline of photovoltaic products has slowed down. According to the latest PVInsights sample statistics, the price of polysilicon products fell slightly this week, the price of...[Details]
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The LCD TV panel market is depressed, and major panel manufacturers have reduced production. This situation may continue until 2020. TV panel prices have plummeted. Not only have panel manufacturer...[Details]
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At a media interview event at the Shanghai Mayor's International Entrepreneurs Advisory Conference, Toshiba's representative executive president and chief operating officer Satoshi Tsunakawa said, "H...[Details]
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1. Existing UPS design solutions
When data equipment is first built, it mainly uses AC
power
, so most of them are equipped with UPS devices to power it.
When configuring UPS ...[Details]
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PLC programming algorithm (1)
There are only three quantities in PLC: switch quantity, analog quantity and pulse quantity. As long as you understand the relationship between the three, you can...[Details]
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Example: Selection sorting (descending) N EQU 10 FIR EQU 40H SORT: MOV A, #N; DEC A MOV R7, A; Number of outer loops MOV A, #FIR MOV R0, A; Array first address NEXT0: PUSH ACC; Sa...[Details]
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Specific implementation functions The system consists of STC89C52 single chip microcomputer, LCD1602 liquid crystal display, Hall speed sensor, 3V DC motor and button module. Specific functions: ...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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Abstract
This paper analyzes a slope compensation circuit used in current mode switching power supply. The circuit uses the sawtooth wave output by the internal oscillator to sequentially ope...[Details]
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This X86 assembly tutorial directory
http://www.51hei.com/mcu/2619.html
After a crazy game, I'm back again....Remember unconditional jumps? This time I'll explain conditional jumps.
...[Details]