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A Modified Impedance-Frequency Converter for Inexpensive Inductive and Resistive Sensor Applications

机译:一种用于廉价电感和电阻传感器应用的改进型阻抗-频率转换器

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摘要

In this paper an exceptionally simple transducer is presented that is developed for experimental and custom-made sensors with inductive or resistive impedance output. It is based on a venerable 555 Integrated Circuit in a modified astable configuration. Due to single supply 5 V operation, it is directly compatible with most modern microcontroller systems, such as the popular Arduino platform. Various exemplary sensor characteristics are presented, including displacement, force, magnetic field, temperature and light sensing applications. While the transducer is not designed for high accuracy, it allows for fast and inexpensive application of various experimental sensors, such as magnetoelastic or GMI (Giant Magneto Impedance) sensors.
机译:在本文中,提出了一种非常简单的传感器,该传感器是为具有感性或电阻性阻抗输出的实验和定制传感器开发的。它基于经过修改的不稳定配置的古老555集成电路。由于采用5 V单电源供电,因此它与大多数现代微控制器系统(例如流行的Arduino平台)直接兼容。提出了各种示例性传感器特性,包括位移,力,磁场,温度和光感测应用。尽管该传感器并非为高精度而设计,但它允许快速而廉价地应用各种实验传感器,例如磁弹性或GMI(巨磁阻抗)传感器。

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