Embodiments relate generally to waste receptacles and more particularly to smart waste receptacles capable of identifying waste. A waste receptacle may identify waste using machine vision and perform a task in response to identifying the waste. In an embodiment, the smart waste receptacle may instruct a user to direct the waste to one of a plurality of waste bins based on a category of the waste. In an embodiment, the smart waste receptacle may place an order to replenish the stock of a product based on the identification of waste. In an embodiment, the smart waste receptacle is created by attaching a smart device to a standard waste receptacle.