Arduino library for DHT11, DHT22, etc Temperature & Humidity Sensors (by adafruit)

DHT-sensor-library Alternatives

Similar projects and alternatives to DHT-sensor-library

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a better DHT-sensor-library alternative or higher similarity.

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Reviews and mentions

Posts with mentions or reviews of DHT-sensor-library. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2021-11-25.
  • Trouble with first project
    1 project | reddit.com/r/arduino | 30 Nov 2021
    Using the adafruit library here installed using the library manager
  • A confusing issue with NodeMCU
    2 projects | reddit.com/r/arduino | 25 Nov 2021
    // Example testing sketch for various DHT humidity/temperature sensors // Written by ladyada, public domain // REQUIRES the following Arduino libraries: // - DHT Sensor Library: https://github.com/adafruit/DHT-sensor-library // - Adafruit Unified Sensor Lib: https://github.com/adafruit/Adafruit_Sensor #include "DHT.h" #define DHTPIN 4 // Digital pin connected to the DHT sensor // Feather HUZZAH ESP8266 note: use pins 3, 4, 5, 12, 13 or 14 -- // Pin 15 can work but DHT must be disconnected during program upload. // Uncomment whatever type you're using! #define DHTTYPE DHT11 // DHT 11 //#define DHTTYPE DHT22 // DHT 22 (AM2302), AM2321 //#define DHTTYPE DHT21 // DHT 21 (AM2301) // Connect pin 1 (on the left) of the sensor to +5V // NOTE: If using a board with 3.3V logic like an Arduino Due connect pin 1 // to 3.3V instead of 5V! // Connect pin 2 of the sensor to whatever your DHTPIN is // Connect pin 3 (on the right) of the sensor to GROUND (if your sensor has 3 pins) // Connect pin 4 (on the right) of the sensor to GROUND and leave the pin 3 EMPTY (if your sensor has 4 pins) // Connect a 10K resistor from pin 2 (data) to pin 1 (power) of the sensor // Initialize DHT sensor. // Note that older versions of this library took an optional third parameter to // tweak the timings for faster processors. This parameter is no longer needed // as the current DHT reading algorithm adjusts itself to work on faster procs. DHT dht(DHTPIN, DHTTYPE); void setup() { delay(2000); Serial.begin(115200); delay(2000); Serial.println(F("DHTxx test!")); dht.begin(); } void loop() { // Wait a few seconds between measurements. delay(2000); // Reading temperature or humidity takes about 250 milliseconds! // Sensor readings may also be up to 2 seconds 'old' (its a very slow sensor) float h = dht.readHumidity(); // Read temperature as Celsius (the default) float t = dht.readTemperature(); // Read temperature as Fahrenheit (isFahrenheit = true) float f = dht.readTemperature(true); // Check if any reads failed and exit early (to try again). if (isnan(h) || isnan(t) || isnan(f)) { Serial.println(F("Failed to read from DHT sensor!")); return; } // Compute heat index in Fahrenheit (the default) float hif = dht.computeHeatIndex(f, h); // Compute heat index in Celsius (isFahreheit = false) float hic = dht.computeHeatIndex(t, h, false); Serial.print(F("Humidity: ")); Serial.print(h); Serial.print(F("% Temperature: ")); Serial.print(t); Serial.print(F("°C ")); Serial.print(f); Serial.print(F("°F Heat index: ")); Serial.print(hic); Serial.print(F("°C ")); Serial.print(hif); Serial.println(F("°F")); }
  • This is the code I wrote for a lcd temperature display, is there any way I can get it to display in Fahrenheit?
    1 project | reddit.com/r/arduino | 17 Oct 2021
  • Want to switch off sensors during deep sleep, which transistor?
    1 project | reddit.com/r/esp8266 | 1 Sep 2021
    The DHT11 is OK for a weekend project, but I wouldn't use it in a serious design. They have a bad habit of going insane, and you have to power cycle it to get it to reset. The Sensirion SHT30-DIS or SHT31-DIS are much better parts that won't frustrate you.
  • DHT sensor output error
    1 project | reddit.com/r/arduino | 11 May 2021
    "DHT-sensor-library/DHTtester.ino at master · adafruit/DHT-sensor-library · GitHub" https://github.com/adafruit/DHT-sensor-library/blob/master/examples/DHTtester/DHTtester.ino
  • Nodemcu ESP8266 good results but also troubles with specific sensors
    1 project | reddit.com/r/esp8266 | 13 Apr 2021
  • Downloaded library but it doesn't show up in "include library"
    1 project | reddit.com/r/arduino | 21 Feb 2021
    or https://github.com/adafruit/DHT-sensor-library


Basic DHT-sensor-library repo stats
about 1 month ago

adafruit/DHT-sensor-library is an open source project licensed under MIT License which is an OSI approved license.

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