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Serial.print(sensors.getTempCByIndex(0)) You can have more than one DS18B20 on the same bus. Sensors.requestTemperatures() // Send the command to get temperature readingsĭelay(1000) // Wait 1 second for temperature grab to stabilize

Serial.print(" Requesting temperatures.") call sensors.requestTemperatures() to issue a global temperature Serial.println("Dallas Temperature IC Control Library Demo") Pass our oneWire reference to Dallas Temperature. (not just Maxim/Dallas temperature ICs) Setup a oneWire instance to communicate with any OneWire devices Data wire is plugged into pin 2 on the Arduino

IMPORTANT: Sketch requires the DallasTemperature library Dallas DS18B20 1-Wire Digital Thermometer Example Sketch

PCBoard.ca - Make-It.ca Technical Note Have other questions on other Arduino topics? See our collection of Arduino articles. The sketch can be easily modified for additional sensors or send data to external displays such as LCD 2×16 and 4×20 displays or small OLED displays. The temperature values are displayed in both degrees Farenheight and Celcius. The results will display to the Serial Monitor. Now upload the sketch below to your Arduino UNO, and temperature readings will be read from the DS18B20. Simple Arudino Program For Reading DS18B20 Temperature From the Library Manager, enter DallasTemperature and Install it.ĭuring the install, you may also be prompted to install the OneWire library you will want to select Install All, and this will set up all the necessary libraries. The libraries are freely available directly through the IDE Library Manager.įrom the Arduino IDE, select the Sketch option, Include Library option, and use the Manage Libraries selection. The Arduino IDE requires libraries to read and process the temperature data from the DS18B20 sensor. Dayton Hamvention Previous Years Vendors.LED Series Dropping Resistor Calculator.LED Specifications and Application Notes.LED Specifications and Application Notes Expand.LED Spotlight Junior – 18-LED Spotlight Board.NodeMCU IoT Experimenter Prototype Board.Easily Configure Arduino IDE for NodeMCU.I2C LCD on Arduino – Stunningly Easily Setup.