Temperature and Humidity Sensor DHT11 with arduino Tutorial – Make OLED Termometer

DHT11 with OLED display (DIY thermometer)

DHT11 is cheapest temperature and humidity sensor compare to another sensor. It has 3 pins that we can easily interface with arduino. It uses single-bus operation. DHT11 Specification PCB size 22.0mm X 20.5mm X 1.6mm Working voltage 3.3 or 5V DC Operating voltage 3.3 or 5V DC Measurement range 20-95%RH;0-50℃ Resolution 8bit(temperature),8bit(humidity) Compatible interfaces 2.54 …