Let me tell you about the history of Android, review the style of the first generation of Android and compare it with the latest version 8.1. Find the interesting features and problems of Android, and...
IPv6 and Internet Connection
1. Introduction
The widely used IPv4 version of the Internet Protocol has been severely restricted in the application and development of the Internet due to the exhaustion...
I recently did a project that required me to extract the DC component from the collected analog signal. I tried a low-pass filter, but the effect was not ideal. There were still a lot of AC components...
A project requires 8 infrared LED lights. Because they are sensitive to EMI, they cannot use drivers with switching quantities and can only use linear ones.
The parameters of the infrared LED lamp are...
The impact of the global COVID-19 pandemic has forced employees to work remotely. This year, businesses and cities will change their operations and employee and customer interactions to address the im...
As electronic devices become more and more complex, more and more parts are needed, and the circuits and parts on PCB are becoming more and more dense. The substrate of the board itself is made of ins...
Pickering Interfaces' BRIC module places many relays in a very dense format. The BRIC module only uses the left-hand slot on the PXI backplane, and to power the module, it can use the other free slots...[Details]
There are two types of valve positioners: pneumatic and electric.
It is the main accessory of the pneumatic actuator and is used in conjunction with the pneumatic control valve. The valve posi...[Details]
introduction
Proton precession magnetometers are mainly used for ground magnetic exploration, and are used for the survey, detailed investigation, and geological mapping of iron ore and other met...[Details]
1 Introduction
In the past, the output transformer in UPS did not attract much attention, because it was just a part of the whole device. Once upon a time, since the high-freque...[Details]
★ Periscope cameras reveal the dividend chasing war of first-tier manufacturers At the beginning of the release of Huawei P30 pro, it has attracted great attention from all walks of life due to its...[Details]
Due to the development of magnetic materials, the wattage per kilogram loss has been greatly reduced. In terms of structure, new features such as step joints and full oblique holes have been develo...[Details]
Semiconductor lighting sources (mainly LED light sources here) have now entered the lighting field in large quantities, but there are still many problems, mainly energy efficiency, reliability, lig...[Details]
Siemens motor variable frequency speed control was previously implemented in the drive controller, such as the Cu320, Cu310 and other control units, and configured using Scout software. For users, ...[Details]
A new Motorola phone codenamed lbiza (Ibiza) appeared on Geekbench. According to leaked information, the Motorola lbiza will be equipped with 6GB of memory and run the Android 11 system. It...[Details]
Continental, HERE and Leia are working together to bring 3D navigation technology to display solutions for car cockpits. In this way, the three companies will jointly contribute to a safe and intuiti...[Details]
Many engineers are probably familiar with the term "grounding". Due to the limitations of industrial site control, the normal use of some electronic measuring instruments is interfered with. In order...[Details]
2001: Started as a 28-person team When talking about the founding of Hikvision, we have to first mention the three "Chinese partners" of that year - Chen Zongnan, Hu Yangzhong and Gong Hongjia. In ...[Details]
"5G+Beidou precise positioning, do you know how powerful their applications are? Take our line inspection work as an example. With these two powerful applications, we can operate drones across citi...[Details]
On October 22, the largest energy storage power station in Shizhu County, Chongqing, the Shizhu County 110 kV Jinzhang Shared Energy Storage Power Station (Phase I), was officially put into operation ...[Details]
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