Temperature Logger Codes

sketch_nov18a/sketch_nov18a.ino

@@ -0,0 +1,39 @@
+#include <OneWire.h>
+#include <DallasTemperature.h>
+
+//long randNumber;
+
+// GPIO where the DS18B20 is connected to
+const int oneWireBus = 4;     
+
+// Setup a oneWire instance to communicate with any OneWire devices
+OneWire oneWire(oneWireBus);
+
+// Pass our oneWire reference to Dallas Temperature sensor 
+DallasTemperature sensors(&oneWire);
+
+void setup() {
+  // put your setup code here, to run once:
+  Serial.begin(115200);
+  //Serial.println("Hello, ESP32!");
+  //randomSeed(analogRead(0));
+  sensors.begin();
+}
+
+void loop() {
+  // put your main code here, to run repeatedly:
+  
+  sensors.requestTemperatures(); 
+  float temperatureC = sensors.getTempCByIndex(0);
+  float temperatureF = sensors.getTempFByIndex(0);
+  
+  Serial.print("{ \"tempC\" : ");
+  Serial.print(temperatureC);
+  Serial.print(", \"tempF\" : ");
+  Serial.print(temperatureF);
+  Serial.println(" }");
+  
+  //Serial.print(temperatureF);
+  //Serial.println("F");
+  delay(1000);
+}