{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2024,8,17]],"date-time":"2024-08-17T05:08:26Z","timestamp":1723871306545},"reference-count":35,"publisher":"MDPI AG","issue":"24","license":[{"start":{"date-parts":[[2023,12,10]],"date-time":"2023-12-10T00:00:00Z","timestamp":1702166400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"State Key Program of National Natural Science Foundation of China","award":["61834007"]},{"name":"MOST project","award":["2021YFB3200800"]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"In this paper, an event-driven wireless sensor node is proposed and demonstrated. The primary design objective is to devise a wireless sensor node with miniaturization, integration, and high-accuracy recognition ability. The proposed wireless sensor node integrates two vibration-threshold-triggered energy harvesters that sense and power a threshold voltage control circuit for power management, a microcontroller unit (MCU) for system control, a one-dimensional convolutional neural network (1D-CNN) environment data analysis and vibration events distribution, and a radio frequency (RF) digital baseband transmitter with IEEE 802.15.4-\/.6 protocols. The dimensions of the wireless sensor node are 4 \u00d7 2 \u00d7 1 cm3. Finally, the proposed wireless sensor node was fabricated and tested. The alarming time for detecting the vibration event is less than 6 s. The measured recognition accuracy of three events (knock, shake, and heat) is over 97.5%. The experimental results showed that the proposed integrated wireless sensor node is very suitable for wireless environmental monitoring systems.<\/jats:p>","DOI":"10.3390\/s23249737","type":"journal-article","created":{"date-parts":[[2023,12,11]],"date-time":"2023-12-11T19:12:51Z","timestamp":1702321971000},"page":"9737","source":"Crossref","is-referenced-by-count":1,"title":["Design and Implementation of an Event-Driven Smart Sensor Node for Wireless Monitoring Systems"],"prefix":"10.3390","volume":"23","author":[{"given":"Changrong","family":"Liu","sequence":"first","affiliation":[{"name":"School of Electronic and Information Engineering, Soochow University, Suzhou 215006, China"}]},{"given":"Junjie","family":"Yang","sequence":"additional","affiliation":[{"name":"School of Electronic and Information Engineering, Soochow University, Suzhou 215006, China"}]},{"given":"Zhenghao","family":"Lu","sequence":"additional","affiliation":[{"name":"School of Electronic and Information Engineering, Soochow University, Suzhou 215006, China"}]},{"given":"Changnan","family":"Chen","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China"}]},{"ORCID":"http:\/\/orcid.org\/0000-0002-3884-620X","authenticated-orcid":false,"given":"Jiachou","family":"Wang","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China"}]},{"ORCID":"http:\/\/orcid.org\/0000-0002-1614-9606","authenticated-orcid":false,"given":"Dacheng","family":"Xu","sequence":"additional","affiliation":[{"name":"School of Electronic and Information Engineering, Soochow University, Suzhou 215006, China"}]},{"given":"Xinxin","family":"Li","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China"}]}],"member":"1968","published-online":{"date-parts":[[2023,12,10]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"3","DOI":"10.1109\/62.873468","article-title":"Fence vibrations","volume":"15","author":"Gomery","year":"2000","journal-title":"IEEE Aerosp. 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