The talking thermometer simulator based on the DS1820 sensor and PIC18F45K22 microcontroller

This paper explains a talking thermometer simulator which allows user to get a full picture of functions and data flow among the physical components of a real device. The basic of this communication is sensor DS1820, microcontroller PIC18F45K22, talking chip ISD1730 and LCD display. The purpose of this paper is to educate talking thermometer users.