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摘要:针对有线组网方式布线复杂、维护困难的问题,提出了一种基于ZigBee无线组网技术和嵌入式Web服务器,对家庭环境进行远程监控的实现方法。采用溫湿度传感器DHT11实现温湿度的采集,烟雾传感器MQ2监测厨房烟雾浓度是否超标,人体红外感应模块实现家庭安防。并且通过红外技术控制空调和加湿器或热水器的打开或关闭,从而实现对溫度和湿度的调节,对热水器的远程控制。实验结果表明,该系统体积小、功耗低、运...[Details]
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ABT-3100 deformation blasting instrument is a semi-automatic device used to test the deformation and bursting pressure limits of aerosol can top/bottom covers, as well as the pressure resistance of b...[Details]
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On the morning of the 13th, the 2022 data results of the National Photovoltaic and Energy Storage Demonstration Experimental Platform (Daqing Base) were released in Daqing City, Heilongjiang Province....[Details]
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At the GAC Group's annual report communication meeting held on March 31 this year, Feng Xingya, general manager of GAC Group, made a bold statement: "Let's turn 'Wei Xiao Li' into 'Ai Xiao Wei'." A...[Details]
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On July 4, market analysis firm Canalys released a report titled "Analysis of the Development Path of Next-Generation Smart Cockpits in the Chinese Market". The report stated that as the prom...[Details]
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With the continuous development of modern industry's requirements for precision, high speed and high performance, traditional controllers are no longer competent in high-demand occasions. In many o...[Details]
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With the continuous improvement of the living standards of urban and rural residents in my country, private cars have entered thousands of households at a rapid pace. However, in the old driver's lice...[Details]
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Traditionally, electrical signals are viewed in the time domain using an oscilloscope. The time domain is concerned with the characteristics of electrical signals: recovering the relationship betwe...[Details]
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introduction
Vehicles should drive at a speed that matches the road conditions on the highway. Driving too fast is prone to accidents, and driving too slow will become a stumbling block for th...[Details]
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Live broadcast time: March 31, 2023 (Friday) 14:00-16:10 pm Live broadcast topic: Keysight Test and Measurement Summit-High Speed Digital Forum Introduction to the live broadcast: The world is be...[Details]
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The STM32 microcontroller is based on the Cortex-M3 core. Using the description of SysTick in Cortex-M3: The SysTick timer is bundled in the NVIC and is used to generate the SysTick exception (...[Details]
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According to arstechnica, AMD's new series of Ryzen 3000 desktop CPUs will use a 7nm manufacturing process, ranging from the $749 3950x to the relatively modest $199 3600X, AMD is ready to compete wi...[Details]
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The extrusion requirements of new energy vehicle battery packs refer to the compression conditions that need to be met during the manufacturing and use of new energy vehicle battery packs. With the...[Details]
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In this Power Tip, we will look at the effective resistance of conductors in free space and in wound structures. Figure
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shows the first example. It is a cross section of a single wire in ...[Details]
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On October 14, the Yunnan Provincial Development and Reform Commission and the Yunnan Provincial Energy Bureau issued the "Yunnan Province 2024 Second Batch of New Energy Project Development and Const...[Details]