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https://create.arduino.cc/projecthub/MisterBotBreak/how-to-use-temperature-and-humidity-dht-sensors-9e5975

Copied Error Message:

Arduino: 1.8.13 (Windows 10), Board: "Arduino Uno"
In file included from C:\Users\soumy\OneDrive\Documents\Arduino\libraries\DHT-sensor-library-master\DHT_U.cpp:15:0:
C:\Users\soumy\OneDrive\Documents\Arduino\libraries\DHT-sensor-library-master\DHT_U.h:36:10: fatal error: Adafruit_Sensor.h: No such file or directory
 #include <Adafruit_Sensor.h>
 ^~~~~~~~~~~~~~~~~~~
compilation terminated.
exit status 1
Error compiling for board Arduino Uno.
This report would have more information with
"Show verbose output during compilation"
option enabled in File -> Preferences.

The code:

#define DHTPIN 2 
#define DHTTYPE DHT11 
DHT dht(DHTPIN, DHTTYPE);
void setup() {
 Serial.begin(9600);
 Serial.println("DHTxx test!");
 dht.begin();
}
void loop() {
 
 delay(2000);
 float h = dht.readHumidity();
 float t = dht.readTemperature();
 float f = dht.readTemperature(true);
 if (isnan(h) || isnan(t) || isnan(f)) {
 Serial.println("Failed to read from DHT sensor!");
 return;
 }
 float hif = dht.computeHeatIndex(f, h);
 float hic = dht.computeHeatIndex(t, h, false);
 Serial.print("Humidity: ");
 Serial.print(h);
 Serial.print(" %\t");
 Serial.print("Temperature: ");
 Serial.print(t);
 Serial.print(" *C ");
 Serial.print(f);
 Serial.print(" *F\t");
 Serial.print("Heat index: ");
 Serial.print(hic);
 Serial.print(" *C ");
 Serial.print(hif);
 Serial.println(" *F");
}
chrisl
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asked Nov 4, 2020 at 6:34
3
  • what is your question? Commented Nov 4, 2020 at 7:22
  • 4
    The compiler couldn't find the file Adafruit_Sensor.h. Have you installed the Adafruit sensor library correctly? Commented Nov 4, 2020 at 8:15
  • @chrisl i didnt add the adafruit library, now it's working. Thanks!! Commented Nov 4, 2020 at 12:44

1 Answer 1

1

I didn't download the "Adafruit Sensor Library" https://github.com/adafruit/Adafruit_Sensor It ran after I added it.

answered Nov 4, 2020 at 12:48

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