32 lines
938 B
Arduino
32 lines
938 B
Arduino
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//https://randomnerdtutorials.com/guide-for-ds18b20-temperature-sensor-with-arduino/
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#include <OneWire.h>
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#include <DallasTemperature.h>
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// Data wire is conntec to the Arduino digital pin 4
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#define ONE_WIRE_BUS 4
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// Setup a oneWire instance to communicate with any OneWire devices
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OneWire oneWire(ONE_WIRE_BUS);
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// Pass our oneWire reference to Dallas Temperature sensor
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DallasTemperature sensors(&oneWire);
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void setup(void)
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{
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// Start serial communication for debugging purposes
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Serial.begin(9600);
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// Start up the library
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sensors.begin();
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}
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void loop(void){
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// Call sensors.requestTemperatures() to issue a global temperature and Requests to all devices on the bus
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sensors.requestTemperatures();
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Serial.print("Celsius temperature: ");
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// Why "byIndex"? You can have more than one IC on the same bus. 0 refers to the first IC on the wire
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Serial.println(sensors.getTempCByIndex(0));
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delay(1000);
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}
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