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Digital tube display circuit diagram
51 MCU program code: #include reg51.h
#define UCHAR unsigned char
#define UINT unsigned int
sbit KEY=P3^2;
UCHAR table = {0x3f,0x06,0x5b,0x4f,0x66,0x6...[Details]
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Inductive step-down DC/DC converter: The circuit principle block diagram is shown in the figure.
Figure 1. Schematic diagram of inductor step-down DC/DC converter
In the figu...[Details]
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In 2021, although smartphone manufacturers are frantically "rolling" the market, it is undeniable that without technological breakthroughs, smartphones are really unable to roll out the market, so ev...[Details]
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A stepper motor is a special motor that rotates in fixed step angles. Stepper motors have the advantages of high precision, fast response speed, and easy control, so they are widely used in many fi...[Details]
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Faced with the current huge market competition pressure, enterprises need to improve efficiency to build core competitiveness. Intelligent warehousing and logistics systems can effectively improv...[Details]
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Here we need to install two touch button switches on the 51 test board. We use independent button switches, that is, connect the switch directly between the ground of the power supply and the correspo...[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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The world's first 7,500 cubic meter liquid carbon dioxide transport ship was launched in Dalian, Shenyang Blower Group signed the world's largest ethylene plant order, and the world's first four-seat ...[Details]
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Introduction
The Local Interconnect Network (LIN) bus protocol is a low-cost serial communication protocol based on UART/SCI (Universal Asynchronous Receiver-Transmitter/Serial Communication I...[Details]
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The single-chip microcomputer only uses two pins RC6 and RC7 of the asynchronous communication interface, and sets RC6 as the transmission line and RC7 as the receiving line. The levels of these t...[Details]
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The relationship between cars and computers is becoming increasingly intimate and complex. Specialized software allows every part of a vehicle to be connected, from brakes to steering wheels to door...[Details]
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On the evening of April 22, Golden Sun released its 2020 annual report stating that the net profit attributable to the parent company's owners in 2020 was 71.2803 million yuan, a year-on-year increas...[Details]
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On May 9, 2023, WPG Holdings, a leading international semiconductor component distributor dedicated to the Asia-Pacific market, announced that
its subsidiary Pinjia has launched an OTC neck-han...[Details]
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Use key sequences to pass parameters from µVision to external user programs. A key sequence is a combination of a key code and a file code. Key sequences can be used, for example, in dialog boxes of ...[Details]
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From October 14 to October 20, Sunwoda Power will present its core products at the Paris Motor Show, one of the world's five major auto shows; at the same time, its manufacturing base in Hungary wi...[Details]
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