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Textile Airflow Resistance Tester The main purpose of the medical textile airflow resistance tester: The medical textile airflow resistance tester is used to measure the air penetration resistance of...[Details]

Methods of expressing measurement error: absolute error and relative error. 1. Absolute error Definition: δx = measured value x – true value a0, actual calculation formula: δx = x – actual value a ...[Details]

IntroductionFingerprint     recognition is an effective identity recognition technology. With the development of optoelectronic technology and semiconductor technology, automatic fingerprint recogni...[Details]

Ericsson predicts that the number of IoT devices will reach 1.5 billion in 2022 and the number of industrial IoT connections will exceed 3.5 billion by 2023. The explosive growth of embedded computer...[Details]

      Not long ago, the well-known actor Wang Zijian purchased the Meizu 18 and Meizu 18 Pro mobile phones using the M code, and posted the order placed on the Meizu official website. 　　Yesterday eve...[Details]

Earlier, Intel introduced some key details about the next-generation CPUs during the Hot Chips 34 conference. It is known that the 14th generation Meteor Lake, 15th generation Arrow Lake and 16th g...[Details]

Recently, Amazon, an American e-commerce giant, is trying out a humanoid robot in its warehouse . This robot is humanoid, has arms and legs, and can move, grasp and carry items. Amazon said...[Details]

At present, the V-type development model has become the mainstream of the engine ECU development process. In the hardware-in-the-loop simulation link, in order to cooperate with the development of ...[Details]

I once saw such a sentence on a forum: Allocate a time for each module so that you can write a good assembly. At that time, I felt that there was some truth in it, but I couldn’t fully appreciate i...[Details]

On November 2, the 2019 Artificial Intelligence Developers Conference, co-hosted by the China Artificial Intelligence Industry Development Alliance (AIIA) and the Hangzhou Municipal People's Governm...[Details]

Huawei has the Mate series and the P series, and the Mate X series focuses on foldable screen products. Last year, Huawei's Mate X/Xs foldable phones received a lot of attention in the market. Accord...[Details]

LPC1114 has a serial port with all the functional pins of a standard 9-pin serial port: RXD, TXD, RTS, CTS, DTR, DSR, DCD, IR Generally, we only use RXD and TXD. In this chapter, we will only introdu...[Details]

Generator protection system inspection In order to ensure the stable operation of the generator protection system and extend its service life, it is necessary to regularly inspect and maintain...[Details]

【Reference】Wei Dongshan's teaching notes 1. Program framework 1.1 Touch screen: main press thread, sent to display process through socket --------------------------- Package ev...[Details]

1. Design Overview 　　This design uses the USB port as the power supply port, uses the DS18B20 temperature sensor to collect temperature information, uses the AT89C2051 single-chip microcomputer for...[Details]