A single chip computer based multiple channel temperature data logger for both thermal resistor and thermocouple is developed.

开发了一种基于单片机的热电阻、热电偶混用多通道温度巡测装置。

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For hardware design, RC filter, voltage sensitive resistor and photoelectric isolation method are used to eliminate interference signal in sampling channel and A/D channel.

在硬件方面，采用RC滤波器、压敏电阻、光电隔离等措施，消除了采样通道及A/D通道的干扰信号；

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