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There are many methods for measuring the frequency of periodic waves, but most of them are to calculate the frequency indirectly through measurement. This article introduces the use of the widely u...[Details]
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Circuit introduction: 1. This project uses 51 single-chip microcomputer to realize the function of music box, and the circuit uses analog oscilloscope to view the waveform changes in real time. 2. ...[Details]
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Closed-loop pulse width modulation (PWM) inverters have been widely used in various types of AC power supply systems, such as uninterruptible power supplies (UPS), voltage regulators (AVRs), progra...[Details]
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Abstract
: In AC-DC SMPS applications, a power bridge rectifier is usually used at the input stage to convert the AC voltage into a unidirectional DC voltage. In this topology, a large-capaci...[Details]
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LED lighting equipment consists of LED light source, electrical accessories and appliances. It uses semiconductor light-emitting devices as light sources, and has the characteristics of small size, lo...[Details]
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The 20th China Automotive Industry Development (TEDA) International Forum (hereinafter referred to as "TEDA Automotive Forum") was jointly organized by China Automotive Technology Research Center C...[Details]
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Decades ago, when the center console of a car was still made up of all kinds of physical buttons and knobs, an American TV series called "Knight Rider" became popular. The protagonist's car was a Pon...[Details]
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The rapid increase in sensors has enabled equipment designers to add more analog signal channels to the system MCU or sensor fusion coprocessor. This is especially true in the field of small-scale I...[Details]
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/*
*
* Software function: timer interrupt experiment
*
*/
#include "stm32f10x.h"
#include "delay.h"
void RCC_Configuration(void);
void GPIO_Configuration(void);
void NVIC_Configuration(void);
void...[Details]
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Battery
life is an important factor
in mobile device design
. As many mobile devices add more features, these added features quickly reduce operating time. Engineers must use sophisticated
...[Details]
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In recent years, with the rapid development of technologies such as 5G and artificial intelligence and the transformation and upgrading of factory intelligence, the application of AMR (Autonomous M...[Details]
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With funding from NASA, researchers at Brigham Young University in Provo, Utah, are exploring how to control inflatable robots for future space missions. One inflatable robot they are developing is ...[Details]
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According to Jiwei.com, recently, Japan's small and medium-sized liquid crystal panel (LCD) giant JDI (Japan Display Inc.) was affected by Apple's orders. In 2018, JDI's mobile phone panel shipments ...[Details]
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I. Introduction
During the new product development phase, electrical lab characterization plays an important role in verifying the electrical functionality of the device to ensure that it funct...[Details]
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A sensor is a physical device or biological organ that can detect and sense external signals, physical conditions or chemical compositions, and transmit the detected information to other devices or or...[Details]
RF/Wirelessly
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