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1. Instrument installation direction There are two installation directions: horizontal installation and vertical installation. Horizontal installation is divided into left-in and right-in and right-o...[Details]
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Bloomberg News quoted people familiar with the matter as saying that due to the continued chip shortage, Apple may cut its 2021 iPhone 13 production target by 10 million units. The company had origin...[Details]
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The LCD backlight is controlled by the CPU's LCD_PWR pin. When LCD_PWR outputs 1, it is on, and when it outputs 0, it is off. The following codes refer to the mini2440 transplantation manual (1) Cr...[Details]
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Four New PXI/PXIe Families Offer Higher Density and High-Voltage and Current Capabilities
Clacton-on-Sea, UK, June 26, 2024 – Pickering Interfaces, a leading supplier of modular si...[Details]
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"The China Science Integration was first created by a group of 'national talents', the Organization Department of the CPC Central Committee and the Chinese Academy of Sciences' 'returned overseas t...[Details]
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Column pressure gauge is a kind of pressure instrument , which is widely used in many industries. Although the liquid column pressure gauge has the advantages of simple structure, easy use, high measu...[Details]
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The constant current and constant voltage in the power supply
are achieved by connecting the op amp to negative feedback. There is also a device with a structure very similar to the op amp, w...[Details]
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1. Dynamic display of digital tube 1.1 Basic principles of dynamic display Static display: A digital tube is controlled by a 38 decoder to display the value. Dynamic display: also known as dynamic sc...[Details]
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With the development of science and technology and corresponding technological breakthroughs, sweeping robots still have a lot of room for improvement
my country's sweeping robot market began ...[Details]
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On the evening of May 6, a piece of news about Huawei released by Reuters caused a sensation across the Internet: According to Reuters, citing two sources, the U.S. Department of Commerce is about ...[Details]
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BQ25504 is a new integrated nano smart energy harvesting power management solution, which is very suitable for ultra-low power application environments with special needs. The product is speciall...[Details]
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#include
#include
#define DD_SPI DDRB
#define DD_MOSI PB5
#define DD_SS PB4
#define DD_SCK PB7
unsigned char DispBuff = {0XC0,0XF9,0XA4,0XB0,0X99,0X92,0X82,0XF8,0X80,0X90}; //Common an...[Details]
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In the absence of special instruments,
the quality of capacitors can be tested and judged using the resistance range of a multimeter
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Fixed capacitors with large capacity (above 1μF) ca...[Details]
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Use applet to understand what parallel port structure is
Last two times we did two experiments, both of which used the pin P1.0 to turn on the light. We can imagine: since P1.0 can tur...[Details]
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The external lighting signal of the aircraft indicates the position and direction of movement of the aircraft, and is also a communication signal between the aircraft and the ground. In order to de...[Details]
DSP and ARM Processors
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