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首页> 外文会议>Annual International Conference of the IEEE Engineering in Medicine and Biology Society >The EcoChip 2: An Autonomous Sensor Platform for Multimodal Bio-environmental Monitoring of the Northern Habitat
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The EcoChip 2: An Autonomous Sensor Platform for Multimodal Bio-environmental Monitoring of the Northern Habitat

机译：生态芯片2：用于北部人居环境多式联运生物环境监测的自主传感器平台

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摘要

This paper presents the EcoChip 2, an autonomous multimodal bio-environmental sensor platform for the monitoring of microorganisms in the northern habitat. The EcoChip 2 prototype includes an array of 96-wells for the continuous monitoring of microbiological growth through a multichannel electrochemical impedance analyzer circuit. In addition, the platform includes luminosity, humidity, temperature sensors and monitoring. The developed electronic board uses an ultra-low-power microcontroller unit, a custom power management unit, a low-power wireless ISM-2.45 GHz transceiver, and a flash memory to accumulate and store the sensor data over extended monitoring periods. When a wireless base station is placed within the transmission range of the EcoChip 2, an embedded low-power wireless transceiver transmits the 96-wells impedance data and the other sensor data stored in the flash memory to the user interface. We present the measured performance of the prototype, along with laboratory test results of bacterial growth measurements inside the 96 wells in parallel. We show that the EcoChip 2 can successfully measure the impedances associated with bacterial growth over several hours using an excitation frequency of 2 kHz with power consumption of 114.6 mW under operating mode.
机译：本文介绍了EcoChip 2，这是一种自动多模式生物环境传感器平台，用于监测北部生境中的微生物。 EcoChip 2原型包括一个96孔阵列，用于通过多通道电化学阻抗分析仪电路连续监测微生物的生长。此外，该平台还包括亮度，湿度，温度传感器和监控。开发的电子板使用超低功耗微控制器单元，定制电源管理单元，低功耗无线ISM-2.45 GHz收发器和闪存来在延长的监视周期内累积和存储传感器数据。当无线基站位于EcoChip 2的传输范围内时，嵌入式低功耗无线收发器会将96孔阻抗数据和闪存中存储的其他传感器数据发送到用户界面。我们介绍了原型的测量性能，以及平行在96孔内细菌生长测量的实验室测试结果。我们表明，EcoChip 2可以在工作模式下使用2 kHz的激励频率和114.6 mW的功耗，成功地测量与细菌在数小时内生长相关的阻抗。

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