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Electronic crossover preamplifier section
Single chip control circuit
The core of the control circuit is the AT90S1200 microcontroller. It took a lot of trouble to choose the microcontro...[Details]
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On October 20, Kosen Technology disclosed its third-quarter report, achieving revenue of 2.492 billion yuan in the first three quarters of 2020, a year-on-year increase of 82.45%; net profit attribut...[Details]
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Circuit principle: When the DSP communicates with the Bluetooth module using the USB interface, it must go through the USB port conversion circuit and then connect to the USB bidirectional ports D...[Details]
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Class D audio amplifiers use pulse width modulation (PWM) signals instead of the linear signals usually used by Class AB amplifiers. The PWM signal here covers the audio signal as well as the PWM s...[Details]
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The ATmega168 has an on-chip bandgap reference for brownout detection or as an input to an analog comparator or ADC. The startup time of the voltage reference may affect its operation. The startup t...[Details]
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1. Action Description
1. We built a simple conveyor belt on the simulation software and configured a control panel;
2. Through the mode selection switch, you can choose auto...[Details]
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Abstract: This paper discusses the necessary circuit structure of high-performance electronic ballast system and the basic principle of power factor correction circuit. It also introduces the ele...[Details]
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Heilind Electronics, an authorized distributor of professional interconnect and electromechanical products, recently announced that it has further expanded its existing product line to include the su...[Details]
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Introduction
With the continuous acceleration of China's industrialization process, environmental issues have become a sharp and sensitive issue related to the future and destiny of mankind. Li...[Details]
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This article mainly introduces the following aspects
1.
Current problems with
LED
lighting fixtures
1. Problems caused by inconsistency: Since there are no national standards and in...[Details]
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Samsung has patented an advanced dual-folding Galaxy smartphone with an integrated stylus holder that accommodates the S Pen. In mid-2021, the Samsung Galaxy Z Fold 3 and Galaxy Z Flip 3 were an...[Details]
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Portable devices using LED-based solid-state lighting (SSL) require efficient driver circuits to extend battery life, and also require some method of dimming to adjust the light output to suit the ...[Details]
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The data-centric smart connected world has arrived. Will the role of the PC be marginalized? Wang Zhicong, vice president of Intel's Sales and Marketing Group and general manager of Intel's China S...[Details]
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#include reg52.h
#include intrins.h
#define uint unsigned int
#define uchar unsigned char
sbit DQ=P2^6;
sbit lcdrs=P1^0;
sbit lcdrw=P1^1;
sbit lcden=P1^2;
void disp(uint a);
void...[Details]
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On November 6, Tianma Microelectronics held the 2024 Tianma Microelectronics Global Innovation Conference in Xiamen, and released new technologies in the fields of Micro-LED, OLED, technology platf...[Details]
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