Humidity is the proportion of water Fume present in the air. The degree of mugginess in air influences different physical, substance and natural cycles. In modern applications, mugginess can influence the business cost of the items, wellbeing and security of the workers. Along these lines, in semiconductor businesses and control framework ventures estimation of dampness is vital. Mugginess estimation decides how much dampness present in the gas that can be a combination of water fume, nitrogen, argon or unadulterated gas and so on… Stickiness sensors are of two kinds in view of their estimation units. They are a general dampness sensor and Outright moistness sensor. DHT11 is a computerized temperature and dampness sensor.