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Micro oxygen generators using PSA (pressure swing adsorption) air separation oxygen production technology are widely used in sports health care, medical rehabilitation, and health air conditionin...[Details]
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1 Basic principles of sound and light alarm system
Ultrasonic waves refer to mechanical waves with a frequency higher than 20,000 Hz. In order to realize ultrasonic echo ranging, ultrasonic wav...[Details]
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void main()
{
ledD1=0;
delay(60000);
ledD1=1;
delay(60000);
}
This is an effect that can...[Details]
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The four methods of in-circuit detection described in this article (measurement of DC resistance, voltage, AC voltage and total current) are practical and commonly used detection methods in amateur ma...[Details]
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On the evening of July 27, HGTECH released its semi-annual performance report stating that its operating income in the first half of 2021 was approximately 4.639 billion yuan, a year-on-year increase...[Details]
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Real smart home, real remote control, mobile phone can control it with internet, WiFi traffic can be used Material: 1. MCU minimum system, MCU program 2. WiFi module (ESP8266) is normal, WiFi firmwar...[Details]
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As one of the most expensive mass-produced new energy vehicles in China, HiPhi X has been at the center of attention since its launch. When it was launched, the avant-garde functions and shapes of ...[Details]
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With the rapid development of embedded system technology, industrial equipment products are becoming more and more modernized, and generally require visual operation. LCD touch screens have low energ...[Details]
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Introduction: At present, industrial production safety, environmental pollution and other issues have attracted much attention. Among the accidents that have occurred, one type is caused by the leaka...[Details]
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Internal structure and schematic diagram of telescope prism
In terms of optical design, common telescopes generally adopt one of two basic designs: Roof or Porro prism. Porro prism, also known as r...[Details]
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Jiwei.com News (Text/Ye Zi), since the announcement of OPPO's new product series Reno, OPPO Vice President Shen Yiren's Weibo has been leaking information every day, bringing a lot of information abo...[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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The simulation schematic is as follows The microcontroller source program is as follows: #include "reg52.h" #define uchar unsigned char #define uint unsigned int float COUNT100,PWMCOUNT; /*LC...[Details]
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As we all know, industrial production cannot do without precise online thermometers to monitor the temperature of objects. Online infrared thermometers are very mature and common in factories. Online...[Details]
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With the development of device integration technology and the emergence of SoC devices, today's digital systems are increasingly adopting programmable device design. In this way, not only the devel...[Details]
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