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0 Introduction With the development of Internet of Things technology, wired transmission is no longer suitable as a communication medium in dispersed and harsh working points, especially in situ...[Details]
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The concept of stepper motor
A stepper motor is a precision electric motor that can control a single step angle to accurately position, determine speed, and determine acceleration. It has the ...[Details]
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This paper introduces the principle and characteristics of a person detection device. The device is based on PIC16F628A single chip microcomputer, uses a pair of independent ultrasonic transducers for...[Details]
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Note: Assume that data is read from 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad(); 1. Limiting filter method (Also known as program judgment fi...[Details]
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A mixer should have low noise and high dynamic performance. Most standard mixers use an inverting op amp. Unfortunately, many op amps have a poor noise figure. Op amps with good noise figures are u...[Details]
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Microcontrollers are a common course for electrical engineering majors in colleges and universities. Some schools even list it as an elective course. Among the many courses, it does not show how impo...[Details]
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Key interruption experiment, experiment 2 is key query 1. Experimental Principle 1. Use the buttons in query and interrupt mode For buttons, use query and interrupt modes. Query mode is to put...[Details]
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Recently, due to the epidemic, NXP Connects conference was still held online. This is the second time NXP has held a developer conference online. Last year's NXP Connects conference focused on a sa...[Details]
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start.S source code: .globl _start _start: // Hardware related settings // Peri port setup ldr r0, =0x70000000 orr r0, r0, #0x13 mcr p15,0,r0,c15,c2,4 @ 256M(0x70000000-0x7fff...[Details]
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Benefiting from the development of smart cars and the trend of automotive electronic and electrical architecture from distribution to centralization, the domain controller market is growing rapidly. ...[Details]
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In the following system, 8051 expands the off-chip program memory and data memory at the same time. The chip select signals of the two memories are both grounded, that is, they are valid at the same ...[Details]
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/************PIC16F630 MCU program**********************************/
/****************************************************************/
/*****File Function : LED test *****/
/*****Program Author :...[Details]
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ams OSRAM, the global leader in optical solutions, recently announced that Alexander Everke will resign as CEO of ams OSRAM after seven years of successfully helming the company. The Supervisory Boar...[Details]
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At present, my country's 5G network has entered the stage of large-scale deployment. Faced with the demand for a large number of base station construction, co-construction and sharing has become a ...[Details]
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The innovation of the static converter circuit structure shown in the figure is that it proposes a new concept of multifunctional integrated PWMDC/DC converter. The multifunctional integrated PWMDC/D...[Details]
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