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temperature humidity control


  • The DHT11 is a basic, ultra low-cost digital temperature and humidity sensor. It uses a capacitive humidity sensor and a thermistor to measure the surrounding air and spits out a digital signal on the data pin  we use this with esp 32 it shows the real time temperature in mobile blynk app and also if the temperature is greater than 27 degree celcius then turn on the one light also a message and a google mail is send to my mobile
  • a timer is also set ther in blynk app so that when it times then it turn on and off my otput voice devices there also google assistant feature is there