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Introduction: Analog voltage buffers are very important basic building blocks in mixed signal design. They are mainly used for signal monitoring and driving loads. In the first case, the buffer is ...[Details]
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This paper designs a smart home waterproofing system that can automatically detect accidental water leakage in selected areas, cut off the water pipe in time through the solenoid valve, and alarm...[Details]
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Insulation resistance tester principle: The insulation resistance tester is usually called a megohmmeter or a high resistance meter, commonly known as a shaker, and is a measuring instrument commonly...[Details]
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LDR pseudo instruction and LDR load instruction in arm The form of LDR pseudo instruction is "LDR Rn, =expr". Here is an example to illustrate its usage. COUNT EQU 0x40003100 ... LDR R1, =COUNT MOV R0...[Details]
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Recently, the 1800W photovoltaic project in Vietnam participated by INVT was successfully connected to the grid. According to the staff, the inverter was successfully connected to the grid on the...[Details]
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Experimental platform: Sixiu Electronics Studio "Xiangyun Little Prince" development version int main(void) { PI_DDR_DDR0=1; //Configure PI0 port to output mode PI_CR1_C10=1; //Configure PI0 po...[Details]
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1 Introduction
Voltage-stabilized power supply modules are widely used in circuits. Currently popular ones include LM78 and ASM117 series. Most of them have only 3 pins, simple structure and are ea...[Details]
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Nordic Semiconductor's new multiprotocol system-on-chip (SoC) nRF52833 supports Bluetooth 5.1, Bluetooth Mesh, 802.15.4, Thread, ZigBee and proprietary 2.4GHz protocols. To support development work b...[Details]
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As radio equipment (such as mobile phones) are widely used around the world, more and more government departments, telecommunication regulatory agencies, etc. require that electromagnetic wave radiati...[Details]
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Samsung has previously released version push of OneUI 4.0 (Android 12) to models such as Samsung Galaxy S21, Flip 3 and Fold 3, but current information indicates that the company is already dev...[Details]
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I. Overview The previous article talked about the porting (modification) and description of the underlying port code of the os_cpu_a.asm, os_cpu_c.c and os_cpu.h files under uC/OS-II Ports. Followin...[Details]
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1 Introduction The task of the countdown system is to count down to a set date and display the time to the set date on the display screen to enhance people's attention and sense of urgency. The devel...[Details]
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According to a report by Central News Agency, panel manufacturer Innolux and touch chip manufacturer Elan Electronics have successfully entered the supply chain of Huawei's new tablet computer MediaP...[Details]
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1. Introduction
At present, energy conservation and emission reduction and environmental issues have become the focus of people's increasing attention. With the gradual implementation of the nation...[Details]
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Shanghai Yishi Intelligent Technology Co., Ltd. and Callisto (Beijing) Technology Co., Ltd. signed a "Strategic Cooperation Agreement". Based on their respective capabilities and advantages in...[Details]