In this project ,I am using DHT 11 temperature and humidity sensor to measure our environment temperature as well as humidity using Arduino (Nano).SOME OF THE BASIC ELECTRICAL CHARACTERISTICS:OPERATING VOLTAGE: 3.5V-5VCURRENT (measurement):0.3 mACURRENT (standby):60 micro ampsRANGE:0 to 50 degree Ce…By: NIRMAL BOMMU // Read more: original article.