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National Energy Technology No. 26
Energy Bureaus of all provinces (autonomous regions, and municipalities directly under the Central Government), Development and Reform Commissions, competent...[Details]
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On September 17, Jucan Optoelectronics Technology Co., Ltd. (stock code: 300708, stock abbreviation: Jucan Optoelectronics) held the third extraordinary general meeting of shareholders in 2021, and r...[Details]
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Part 3:
Easy "driving" without mistakes
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Preface: I am Xiaotai. Xiaotai can test thousands of electronic devices a year, but he still has time for a spontaneous trip. H...[Details]
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Gartner's latest report shows that by 2023, the net increase in the number of autonomous vehicles worldwide will reach 745,705, up from 332,932 in 2019 and 137,129 in 2018. These figures do not repre...[Details]
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The latest report released by market research firm Canalys shows that the global smart speaker market grew by 44.9% in the third quarter of 2019. Thanks to various promotional activities, Amazon rank...[Details]
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1. U/f constant control
U/f control is to change the voltage of the motor power supply while changing the motor power supply frequency, so that the motor flux remains constant, and the motor e...[Details]
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Liquid crystal is very easy to see. You can see LCD screens everywhere in the streets and alleys. Its principle is the same as that of light-emitting diodes, so there is no need to introduce it in det...[Details]
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Attached is the circuit diagram:
(The information is mostly quoted from the masters on the Internet)
#include
#define uint unsigned int
#define uchar unsigned char
sbit speaker=P1^0; //The l...[Details]
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According to XDA, the Samsung Galaxy Z Fold3 5G will prohibit users from using the camera after unlocking the bootloader. According to the latest tests, Samsung has lifted this restriction. W...[Details]
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Can be used in battery charging applications and easily implements scalable designs
Battery-powered appliances are one of the fastest growing market segments in the industry, and su...[Details]
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/* ******************************************************************************* * File name: main.c * Description: Temperature sensor DS18B20 example * Note: Control DS18B20 to measure temperatur...[Details]
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Some signal characteristics are difficult to judge in the time domain, but are easy to analyze in the frequency domain. For example, when analyzing the noise characteristics of a DC power supply, the...[Details]
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The 2800-MIMO RF Signal Analyzer and 2900-MIMO RF Signal Generator are high-performance MIMO test systems designed to meet the needs of 802.11n WiFi and 802.16e Mobile Wi-MAX Wave 2 multiple-input ...[Details]
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Check the head and tail of the motor winding: For three-phase motors, first use the ohmmeter of a multimeter to separate the three groups of coils, then separate their heads and tails into two gr...[Details]
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Li Auto and Mercedes-Benz to use Snapdragon Extreme Automotive Platform in their future production models
New Snapdragon Cockpit Extreme and Snapdragon Ride Extreme platforms debu...[Details]