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On September 11, 2019, the 7th International IoT Sensor Technology Summit, "IoT World Sensor First", was held as scheduled. Three years later, the conference returned to Wenzhou Yueqing for the secon...[Details]
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UPS (Uninterruptible power SySTem), or uninterruptible power supply, is a constant voltage and frequency uninterruptible power supply with energy storage device and inverter as the main component. ...[Details]
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In order to obtain the corresponding EMC test and certification certificates for electronic and electrical products, many companies are using the test-rectification-test method to conduct EMC test exp...[Details]
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u‑blox announced the acquisition of IoT communication service provider Thingstream, which provides IoT connectivity solutions using the industry-standard MQTT protocol. MQTT (Message Queuing Telemet...[Details]
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According to foreign media reports, on October 21, local time, IONETIC, a British electric vehicle (EV) battery technology startup, announced the launch of Arc, the world's first software-accelerat...[Details]
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1. PIC1 microcontroller programming (sending part) LIST P=16F877 #INCLUDE P16F876.INC CBLOCK 0X24; Reserve three bytes for display COUNT; used as a counter or register ENDC ORG 0X0000 ; program res...[Details]
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Infrared
Light-emitting diodes
(such as SE303.PH303) are similar in appearance to light-emitting diodes (LEDs) and emit infrared light. The tube voltage drop is about 1.4v, and the operating ...[Details]
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as follows:
H:\KEIL\C51\INC\STCNEW8051.H(8): error C231: 'ACC': redefinition
H:\KEIL\C51\INC\STCNEW8051.H(9): error C231: 'B': redefinition
H:\KEIL\C51\INC\STCNEW8051.H(10): error C231: 'PSW': ...[Details]
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In October last year, Royole Technology launched the world's first foldable screen mobile phone "FlexPai". At that time, the official plan was to pre-sell it the day after the press conference. Howev...[Details]
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DDR originated from SDRAM. Strictly speaking, it should be called DDR SDRAM. DDR SDRAM is the abbreviation of Double Data Rate SDRAM, which means double data rate synchronous dynamic random access me...[Details]
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Download the complete program source code: http://www.51hei.com/f/avrds.rar
main function:
/*
Program function: 18B20 temperature measurement results are displayed on 1602 LCD
Author: ...[Details]
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MCS-51 single-chip microcomputer timer/counter experiment programming program Programming requirements: 1. Connect a light-emitting diode LED to the P1.0 pin, light up for two seconds, turn off for o...[Details]
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Some time ago, MediaTek launched the new generation flagship 5G processor Dimensity 1200, which has made many exclusive optimizations for gaming. Subsequently, Redmi officially announced that...[Details]
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LED lighting is becoming increasingly popular in the market, but with the recent "news" of domestic listed LED companies, it is not difficult to find that if LED lamps want to compete for the l...[Details]
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The oscilloscope is a commonly used electronic measuring instrument with many advantages such as wide measuring range, high accuracy, easy use, strong durability, good stability, long service life, e...[Details]