Almost every household and restaurants use Liquified Petroleum Gas (LPG) in their kitchens as it is an essential part of cooking. As important as it becomes it is often difficult to maintain it as there are a lot of difficulties for the users and the igneous gas can cause hazards at any time. The main issue arises when we cannot detect gas leakage in our LPG and there is no automated booking yet. These leakages can cause the life of the user. We can only understand that the gas cylinder is over when it is empty and stops working which is very inefficient for the users. To rectify these issues we developed Auto-Gaz, a hardware and software combination product that helps us to identify the current filling of the cylinder, the correct time for slot booking, and gives information about gas leakage if any occurs. In this product load cell senses the weight of the cylinder and sends the data to node MCU which helps us identify the current status of the gas. MQ6 sensor detects the gas leakage and the analog data is sent to the node MCU WIFI module. Node MCU is connected to the software application via firebase and the data is stored in the application. Notifications of current updates are shown in the application. If leakage occurs the system detects it and sends a warning alert to the mobile application. When the gas reaches a minimum level, the user is notified of a new booking. In addition, this device promises automatic working with no need for human interference and assures reliability, efficiency along with cost-effectiveness. AutoGaz is easily installable and low maintenance. This project aims to aid in home automation with the help of IoT.

Keywords : Leakage; LPG; MQ6; WIFI; NodeMCU