Design of new intelligent flowmeter circuit module based on msp430f449

Flowmeter is an advanced instrument for on-line measurement of fluid flow in pipeline. It is widely used in petroleum, chemical industry, papermaking, metallurgy and other industries, and continues to develop in the direction of intelligence. This paper introduces a new intelligent flowmeter developed with msp430f449 single chip microcomputer. Its basic principle is: relying on the […]

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Design of circuit module of fingerprint identification system based on ARM9

The working principle of biometrics is to use biometric equipment to sample biometrics, extract their unique features and convert them into digital codes, and further form feature templates. When people interact with the identification equipment for identity authentication, the identification equipment obtains their features and compares them with the feature templates in the database to […]

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Design of circuit module of fingerprint attendance machine system based on ARM7

Attendance system has become a necessary equipment for many companies, but the traditional attendance system is easy to replace punching and swiping. The new fingerprint attendance machine completely avoids this situation. This paper introduces a scheme of fingerprint attendance machine based on ARM7 chip. This product has two basic functions: fingerprint attendance and card swiping […]

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Circuit module design of intelligent disinfection robot control system for animal husbandry and breeding

The control system of intelligent disinfection robot for animal husbandry consists of robot intelligent control module, monitoring module and wireless network communication module. The working process is to send the control command code to the remote robot through the wireless network through the mobile phone or microcomputer client connected to the Internet. During this period, […]

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Analysis of a new semiconductor technology for MEMS sensors

With the advent of the intelligent era, MEMS has ushered in a period of rapid growth. The rise of smart phones and tablets has doubled MEMS shipments. In the ascendant, wearable devices and medical electronics have sprung up in 2014, which will continue to promote the rapid growth of MEMS. According to yole development, the […]

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Circuit design of portable mobile phone Bluetooth attendance machine system based on stm32

At present, most attendance systems are magnetic card attendance systems. Such systems not only have slow sign in speed, but also cause certain cost and waste of terminal equipment and magnetic card; Fingerprint attendance, face recognition attendance, retinal attendance and other new generation attendance technologies greatly improve the efficiency and accuracy of attendance, but this […]

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