If you are not familiar with 1-Wire bus, it is a communication bus developed by Dallas Semiconductor, and as the name suggests, it requires only one wire to communicate with a Processor (well, 1 Data Line and 1 GND Wire).Īdditionally, the DS18B20 Temperature Sensor can derive its power from the data wire itself (known as Parasite Power), without the need for providing any external power (through the V DD Pin). Unlike other digital sensors, which often communicate over I 2C or SPI, the DS18B20 Temperature Sensor uses 1-Wire Communication to interact with a Microcontroller. DS18B20 is a digital Temperature Sensor from Maxim Integrated, which can measure temperatures in the range of -55 0C to +125 0C. We already used DS18B20 Temperature Sensor in a couple of earlier projects involving Arduino, Raspberry Pi and ESP8266. Displaying Temperature on Serial MonitorĪ Brief Note on DS18B20 Temperature Sensor.Pin Diagram and Pin Description of DS18B20. A Brief Note on DS18B20 Temperature Sensor.
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