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Vol. 218, Issue 12, December 2017, pp. 19-26

 

Bullet

 

A Modular Wireless Sensor Platform with a Sensor Identification Scheme
 

Yi-Jie Hsieh, Chih-Chyau Yang, Yi-Jun Liu, Wei-Lin Lai, Chien-Ming Wu, and Chun-Ming Huang

National Chip Implementation Center National Applied Research Laboratories, No. 26, Prosperity Rd. 1, Hsinchu City, Taiwan
Tel.: (+886)3-5773693

E-mail: yjhsieh@cic.narl.org.tw, ccyang@cic.narl.org.tw, yjliu@cic.narl.org.tw, wllai@cic.narl.org.tw, wucm@cic.narl.org.tw, cmhuang@cic.narl.org.tw

 

Received: 10 November 2017 /Accepted: 10 December 2017 /Published: 29 December 2017

Digital Sensors and Sensor Sysstems

 

Abstract: In this paper, a modular wireless sensor platform with a sensor identification scheme is presented. Our presented modular wireless sensor platform consists of sensor modules, and each sensor module is a part of the sensor system and in charge of one job in the system, such as computation, communication, output or sensing. Users can stack multiple modules together to build a unique sensor system. Since users are able to easily replace one module with others, our platform is highly extendable and reusable. A low-cost sensor identification scheme is proposed in this paper to detect which sensor is mounted on the platform automatically. This scheme utilizes a unique I2C address to identify the sensor type. A low-cost Electrically-Erasable Programmable Read-Only Memory (EEPROM) only needs to be setup in the non-I2C sensing modules. Furthermore, a firmware initialization process is also adopted to achieve the sensor identification mechanism. To demonstrate the proposed platform, we show an ambient temperature detection application and a carbon dioxide detection application in the paper. The results show that the proposed platform is suitable for academic researches and industrial prototype verification.

 

Keywords: Flexible sensing platform, Sensor system.

 

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