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Since the beginning of this year, many related companies such as Shuangyuan and Ankai Micro have successfully listed, and Sikan Technology, Xinxinteng, Changbudao, and Hikvision are rushing for IPO...[Details]
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Last time we talked about using an oscilloscope to measure the signal of the car's air flow meter. This time we will talk about using an oscilloscope to measure the car's oxygen sensor. The oxygen se...[Details]
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Polaroid Originals today announced its first Polaroid printer, the Polaroid Lab, which allows users to print photos taken with their phones. The latest version of the Impossible Project's insta...[Details]
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On November 20-21, the "2019 China Safety Industry Conference and the 3rd Traffic Safety Industry Summit" hosted by Cheyun.com and co-organized by Electric State was held in Foshan City, Guangdong Pr...[Details]
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Strictly speaking, no driver LED lighting does not need a driver, but the driver and other components are highly integrated. Because LED is a semiconductor product, its characteristic is integratio...[Details]
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1 Introduction
The emergence of in-system programming (ISP) technology is a breakthrough in traditional programming methods. It refers to the technology of reprogramming devices in user-design...[Details]
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In this article, we consider these issues in the context of driving a SAR (successive approximation register) ADC.
SAR ADCs are widely used in the world of analog-to-digital converters....[Details]
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Impedance
: It refers to the ratio of the voltage to the current of the speaker input signal. The input impedance of the speaker is generally divided into high impedance and low impedance. ...[Details]
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The Rockwell hardness test is the same as the Brinell hardness test, which is an indentation test method. The difference is that it measures the depth of the indentation. That is, under the action of ...[Details]
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#include
#include intrins.h
#define uint unsigned int
#define uchar unsigned char
//******************adc0832************ ****************//
sbit CS=P2^3; //Enable.
sbit CLK=P2^2; // Clock
...[Details]
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Due to the size and cost constraints of the microcontroller, the M4K core does not support standard functions such as instruction cache (I-cache) or data cache (D-cache). This article focuses on on...[Details]
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introduction The reconfigurable design of the detection system is the development direction of detection technology. Reconfigurable design refers to a design method that uses reusable software and ha...[Details]
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Inductor and transformer testing methods and experience
1?Detection of color-coded inductors
Put the multimeter in R×1 gear, connect the red and black test leads to any lead-out terminal of the ...[Details]
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Introduction
CAN (Controller Area Network) is a controller area network. The CAN bus specification has been formulated as the international standard ISO11898 by the International Organization f...[Details]
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The frequency converter is an electrical device used to control the speed of an AC motor. It achieves speed control of the motor by changing the frequency and amplitude of the input power. In pract...[Details]