Introduction - If you have any usage issues, please Google them yourself
DS18B20 thermometer, temperature measuring range upper limit alarm temperature can be set from 0 to 99.9 degrees Celsius, the lower limit alarm temperature that is higher than the upper limit or below the lower limit, the buzzer alarm a default limit alarm temperature is 38 ° C, the default lower limit alarm temperature of 5 ℃ alarm value setting range: minimum limit alarm value is equal to the current limit alarm value lower limit alarm value is equal to the current limit alarm value lower limit alarm value adjustment for 0:00 to close the lower limit alarm function