Design and development of smart hot and cold-water dispenser using NodeMCU

Technology is a never-ending process. The proposed system is todesign a product using the current technology that will be beneficial tosociety. The water dispenser is a system which can be used to dispensedrinking water at various work, public and commercial places. As perthe health conscious, based on the people’s requirement whether theyneed hot and cold water depend on this the system is designed. Thesystem is developed in two ways as one is based on voice commandthrough mobile and the another one is based on the manual way; thismanual method is for the people who don’t have the smartphone thosepeople will give input through keypad. According to the abovementioned methods, the dispenser will dispense the hot or cold water,and this system also avoids the wastage of water.