Smart Resistance Thermometer Sensor Based on C8051F350

A Smart resistance thermometer sensor is designed to overcome the shortages of the tradition al ones, and Con-form to the world development trend of the sensor market. According to the constitutions of this Smar t sensor and its application coverage, those parts with good -application and low-cost were chosen to constitute this sensor on the basis of full consideration of the li nkage among every part. The whole testing system were controlled and processed by C8051F350 single-chip, it could measure precise temperature by PT100 resistance thermometer and circumstance temperature for temperature compensating automatically and simultane-ously, it also could amplify signals to convert analog signals to digital ones, and display results automatically by analysing and processing information. Furthermore, it could auto-compensate self-check, and spot communicate.