DHT22 Digital Temperature and Humidity Sensor

110 EGP In stock

## Product Description ### DHT22 Specifications * Supply voltage: 3.0 ~ 5.0V DC * Output: single-bus digital signal * Measuring range: Humidity 0-100% RH, Temperature -40 ~ +80 ℃ * Accuracy: Humidity +/-2% RH, temperature +/-0.5 ℃ * Resolution: Humidity 0.1% RH, temperature 0.1 ℃ * Long-term stability: <± 0.5% RH / Year ### Required Hardware Devices * Arduino controller ... more on TechDepot Egypt

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Product Details

  • The best price of DHT22 Digital Temperature and Humidity Sensor by TechDepot Egypt in Egypt is 110 EGP
  • Available payment methods are
    Cash on Delivery
  • Delivery fees are 35-45 EGP, with delivery expected within 5+ day(s)
  • Similar products to DHT22 Digital Temperature and Humidity Sensor are sold at RAM Electronics, Future Electronics, TechDepot Egypt with prices starting at 18 EGP
  • The first appearance of this product was on Jul 31, 2016
  • Amongst similar products of DHT22 Digital Temperature and Humidity Sensor the cheapest price is 18 EGP from RAM Electronics

Technical Specifications

  • Weight:

    10 g

TechDepot Egypt's Description

Product Description

DHT22 Specifications

  • Supply voltage: 3.0 ~ 5.0V DC
  • Output: single-bus digital signal
  • Measuring range: Humidity 0-100% RH, Temperature -40 ~ +80 ℃
  • Accuracy: Humidity +/-2% RH, temperature +/-0.5 ℃
  • Resolution: Humidity 0.1% RH, temperature 0.1 ℃
  • Long-term stability: <± 0.5% RH / Year

Required Hardware Devices

  • Arduino controller × 1
  • USB data cable × 1
  • DHT 22 module × 1

Connecting

  • Arduino pin 6 –> Pin S module
  • Arduino GND –> Pin – module
  • Arduino +5 –> Pin Middle

Code

// // FILE: dht_test.ino // AUTHOR: Rob Tillaart // VERSION: 0.1.07 // PURPOSE: DHT Temperature & Humidity Sensor library for Arduino // URL: http://arduino.cc/playground/Main/DHTLib // // Released to the public domain // #include <dht.h> dht DHT; #define DHT11_PIN 4 #define DHT21_PIN 5 #define DHT22_PIN 6 void setup() { Serial.begin(115200); Serial.println("DHT TEST PROGRAM "); Serial.print("LIBRARY VERSION: "); Serial.println(DHT_LIB_VERSION); Serial.println(); Serial.println("Type,tstatus,tHumidity (%),tTemperature (C)"); } void loop() { // READ DATA Serial.print("DHT22, t"); int chk = DHT.read22(DHT22_PIN); switch (chk) { case DHTLIB_OK: Serial.print("OK,t"); break; case DHTLIB_ERROR_CHECKSUM: Serial.print("Checksum error,t"); break; case DHTLIB_ERROR_TIMEOUT: Serial.print("Time out error,t"); break; default: Serial.print("Unknown error,t"); break; } // DISPLAY DATA Serial.print(DHT.humidity, 1); Serial.print(",t"); Serial.println(DHT.temperature, 1); delay(1000); // READ DATA Serial.print("DHT21, t"); chk = DHT.read21(DHT21_PIN); switch (chk) { case DHTLIB_OK: Serial.print("OK,t"); break; case DHTLIB_ERROR_CHECKSUM: Serial.print("Checksum error,t"); break; case DHTLIB_ERROR_TIMEOUT: Serial.print("Time out error,t"); break; default: Serial.print("Unknown error,t"); break; } // DISPLAY DATA Serial.print(DHT.humidity, 1); Serial.print(",t"); Serial.println(DHT.temperature, 1); delay(1000); // READ DATA Serial.print("DHT11, t"); chk = DHT.read11(DHT11_PIN); switch (chk) { case DHTLIB_OK: Serial.print("OK,t"); break; case DHTLIB_ERROR_CHECKSUM: Serial.print("Checksum error,t"); break; case DHTLIB_ERROR_TIMEOUT: Serial.print("Time out error,t"); break; default: Serial.print("Unknown error,t"); break; } // DISPLAY DATA Serial.print(DHT.humidity,1); Serial.print(",t"); Serial.println(DHT.temperature,1); delay(1000); } // // END OF FILE //

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