[i=s]This post was last edited by kikiwu on 2019-3-26 18:06[/i] [align=center][size=5][color=#ff8c00][b]DIY Indoor Air Quality Monitor[/b][/color][/size][/align] [align=right][size=4][color=#ff8c00][b...
Recruiting embedded software development engineers, 150,000 to 300,000 yuan per year, located in Qingdao. Job description: 1. Central air-conditioning embedded software design; 2. Program architecture...
MR-J2S-20B is a 200W driver with a white shell and looks very beautiful.I disassembled a machine with a problem. When it was powered on, it reported an E9 error. According to the error code, there sho...
1. Learning experience:When I was learning the basic principles of filtering algorithms, I didn’t quite understand how the algorithms were implemented because I had just started. However, after learni...
Demand for semiconductor chips, which have expanded from computers and cars to toothbrushes and tumble dryers, continues to outstrip supply, and automakers are no longer the only ones feeling the pin...[Details]
1 General characteristics of CMOS image sensors
At present, CCD (charge coupled device) is the main practical solid-state image sensor device, which has the advantages of low read noise, large dyn...[Details]
According to foreign media reports, Swift Navigation, a technology company headquartered in San Francisco, announced a partnership with Arm, which will provide developers of autonomous driving and in...[Details]
The "OFweek 2024 (13th) China Robotics Industry Conference" hosted
by OFweek, a Chinese high-tech portal, and organized by OFweek Robotics
was
successfully held in Shenzhen from April ...[Details]
Why is the measured carbon content often too low when carbon and sulfur are jointly determined
in steel and alloys? Many factory laboratories often use the method of joint determination when ...[Details]
Abstract: The characteristics and working principle of lithium-ion battery protection circuit UCC3957 are introduced, and the application circuit of 3-cell or 4-cell lithium-ion battery pack is giv...[Details]
Automakers have been suffering in the recent wave of chip shortages. However, Tesla has been a company that has responded incredibly to the global semiconductor shortage. In its recent Q2 2021 earnin...[Details]
Hardware platform: STM32F401 Editor: keil 5.18 Operating system: win7 1. I2C Protocol When transmitting data, the SDA line must remain stable during the high level period of the clock. The high ...[Details]
Background
The commonly used wall brackets for photovoltaic inverters are shown in Figures 1 and 2. The bearing structure is a small folded edge of sheet metal, which is equivalent to a ca...[Details]
The annual sales of flow measuring instruments in Western Europe have reached 958 million US dollars. According to the latest market survey of Forst & Sullivan, a market analysis and consulting compan...[Details]
The Digital China Innovation Competition is an important supporting event of the Digital China Summit. It is jointly hosted by multiple national ministries and Fujian Province. It ...[Details]
As a systems and applications engineer, I have saved countless hours and nights thanks to automation instruments and software, such as LabVIEW, a system design platform and development environment ...[Details]
Working day and night on the wrong path will not lead to success in the end. Therefore, methods and ideas are absolutely the most important. Some students who study technology often skip this kind o...[Details]
1 Introduction
At present, the inspection equipment of the railway road inspection department is mainly a hand-push rail flaw detector. During the inspection, the worker technician judges whet...[Details]
0 Introduction
The RF power amplifier is a device that converts the low-power RF signal in the transmitter into a sufficiently large RF power through a series of amplification stages: exci...[Details]
DIY/Open Source Hardware
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