Introduction - If you have any usage issues, please Google them yourself
Temperature Sensor DS1820 used DALLAS, following after the company introduced an improved version of the smart temperature sensor DS18B20, its temperature measurement range of-55 to 125 degrees. Maximum resolution to 0.0625 degrees. According to actual requirements to achieve through a simple programming 9-12 reading the digital value, using one-way and single-chip communications, a decrease of external hardware with easy-to-use and low cost