pt100三线测温电路，利用运放实现恒流源，三线连接pt100电阻，可以长距离测量温度。-pt100 circuit，for a long distension temperature sense。

温度测量系统，采用pt100 铂电阻传感器。at89c52，proteus 实例仿真，精度0.1 非常高。-Temperature measurement system, pt100 platinum resistance sensor. the at89c52, proteus simulation example, precision of 0.1 is very high.

基于单片机的温度测量代码，利用PT100检测温度。温度精度高 温度检测范围宽 适合工厂等学校地方检测温度，是一款优良的温度检测装逼。PT100作为传感器检测温度。(Microcontroller based temperature measurement code, the use of PT100 temperature detection. High temperature accuracy, wide temperature detection range, suitable for fa