Portable three-electrode circuit for electrochemical micro-sensors

Donghong Qiao; Ling Kang; Xiaotian Pan; Jian Zhang

doi:10.1117/12.3030299

5 June 2024 Portable three-electrode circuit for electrochemical micro-sensors

Donghong Qiao, Ling Kang, Xiaotian Pan, Jian Zhang

Proceedings Volume 13163, Fourth International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2024); 131634D (2024) https://doi.org/10.1117/12.3030299
Event: International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2024), 2024, Xi'an, China

Abstract

In this paper, based on the three-electrode detection system, the potentiostat circuit based on opamp OPA333 is designed, which includes constant voltage following module, I-V conversion module and filter amplification module. And the potentiostat circuit is connected with arduino microcontroller and Bluetooth module to send data to the mobile terminal. The circuit module converts the chemical information of the object to be measured on the working electrode into electrical signal processing and display under the reference voltage of 2V. It has the advantages of simple structure, low cost, high sampling accuracy, and can achieve dynamic monitoring of electrochemical system reactant concentration through Bluetooth module wireless transmission, which is suitable for the integration of wearable devices.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Donghong Qiao, Ling Kang, Xiaotian Pan, and Jian Zhang "Portable three-electrode circuit for electrochemical micro-sensors", Proc. SPIE 13163, Fourth International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2024), 131634D (5 June 2024); https://doi.org/10.1117/12.3030299

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KEYWORDS

Electrodes

Signal processing

Glucose

Portability

Circuit switching

Microcontrollers

Sensors

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