THRESHOLD is the maximum temperature we wish to maintain. When the temperature rises too high, a fan is switched on. A small HYSTERESIS value is used to prevent the fan rapidly switching when the ...

There are a variety of sensors that may be used to solve this problem but in today's article, we thought to cover the DS18b20 temperature sensor. Not only is this sensor inexpensive and simple to use, ...

The DS18B20 is a digital temperature sensor from Dallas Semiconductors, which is now part of Maxim. Aspencore network. ... To be able to use the DS18B20 one-wire digital temperature sensor with the ...