The stove is an important component in the kitchen. Stoves can help cook food or drinks. Using a gas stove is very expensive. LPG gas is a stove fuel that is often used by people for cooking. The price of stoves and LPG gas is now increasing. Meanwhile, there are also a lot of cooking needs, so this will result in more gas usage and more expensive costs. Given this problem, the author created a smart stove that has advantages. This smart stove is medium in size and portable so it can be taken anywhere. Apart from that, this tool uses a supercapacitor, which can store the electrical voltage produced by the heat of burning biomass. This tool can produce electricity from biomass and solar cells. Selecting the type of biomass uses the simple additive weighing (saw) method, namely wood or waste. Internet of Things (IOT) is an information medium for the smart stove process. Apart from cooking, this tool can also light 1 LED lamp measuring 5–10 watts, can be used as a 5 volt cellphone charger or a charge time of 60 minutes. The advantage of this smart stove is that it really helps people, thereby reducing the cost of purchasing gas