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http://dx.doi.org/10.17662/ksdim.2022.18.4.047

MEMS Embedded System Design  

Hong, Seon Hack (서일대학교 컴퓨터전자공학과)
Publication Information
Journal of Korea Society of Digital Industry and Information Management / v.18, no.4, 2022 , pp. 47-54 More about this Journal
Abstract
In this paper, MEMS embedded system design implemented the sensor events via analyzing the characteristics that dynamically happened to an abnormal status in power IoT environments in order to guarantee a maintainable operation. We used three kinds of tools in this paper, at first Bluetooth Low Energy (BLE) technology which is a suitable protocol that provides a low data rate, low power consumption, and low-cost sensor applications. Secondly LSM6DSOX, a system-in-module containing a 3-axis digital accelerometer and gyroscope with low-power features for optimal motion. Thirdly BM1422AGMV Digital Magnetometer IC, a 3-axis magnetic sensor with an I2C interface and a magnetic measurable range of ±120 uT, which incorporates magneto-impedance elements to detect the magnetic field when the current flowed in the power devices. The proposed MEMS system was developed based on an nRF5340 System on Chip (SoC), previously compared to the standalone embedded system without bluetooth technology via mobile App. And also, MEMS embedded system with BLE 5.0 technology broadcasted the MEMS system status to Android mobile server. The experiment results enhanced the performance of MEMS system design by combination of sensors, BLE technology and mobile application.
Keywords
nRF5340; MEMS System; Bluetooth Low Energy; LSM6DSOX; BM1422AGMV;
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