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History of Message Queuing Telemetry Transport (MQTT)
MQTT was developed by Andy Stanford-Clark with IBM and Arlen Nipper in 1999 to connect measurement equipment on oil pipelines to...[Details]
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SFP module refers to various types of optical modules available (such as SFP+, QSFP, etc.). For this type of module, how can we determine whether the SFP module is working properly? We can use Fluke ...[Details]
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About Kollmorgen AGV
Kollmorgen AGV is one...[Details]
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On the morning of September 2, the Shanghai Minhang District Government and Tsinghua Unigroup signed a strategic cooperation framework agreement. At the signing ceremony, the two parties reached co...[Details]
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DO30 series digital multimeter calibrator is an AC and DC voltage and current source specially used for the production, maintenance and verification of various voltmeters, ammeters and multimeters....[Details]
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In this section, we will introduce how to use the external input interrupt of STM32. Through the study of Sections 1 and 2, we have mastered the most basic operations of STM32 IO ports. In this secti...[Details]
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Continental Automotive held a technical test drive event "TechRide" for the news media in February 2010. It announced the next-generation ESC (side slip control) "MK100ESC" and a new safety sensor ...[Details]
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For the detection of defects in automobile stamping parts, measuring instruments such as inspection tools, steel rulers, feeler gauges and surface gauges are generally used to measure the material ed...[Details]
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1. First, set a breakpoint at while (1) of HardFault_Handler. 2. Wait for the code to run to this point, then check the register LR. On the left is the project and the other is the register. The ...[Details]
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In order to thoroughly implement the Zhejiang Provincial Party Committee and the Provincial Government's "Several Opinions on Resolutely Winning the Battle Against the New Coronavirus Epidemic Prev...[Details]
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Point-to-Point Protocol (PPP) provides a standard method for transmitting multi-protocol packets over point-to-point connections. PPP was originally designed to provide an encapsulation protocol for I...[Details]
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From November 26 to November 27, 2020, the 5th Developer Conference hosted by Rockchip Electronics Co., Ltd. (hereinafter referred to as "Rockchip") was held at the Sheraton Hotel in Fuzhou. With the...[Details]
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Circuit implementation function This circuit inputs household 220V AC power , and after full-bridge rectification and voltage stabilization, it outputs stable 5V DC power . Features Convenient and...[Details]
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Micron Technology released its first quarter financial report for fiscal year 2020. The report showed that Micron Technology's revenue in the first quarter was US$5.144 billion, a 35% decrease from U...[Details]
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Written in front:
This series of articles will describe in detail the process of establishing the AT91RM9200 boot program, including the establishment of a cross-compilation tool chain, the com...[Details]