Development of microcontroller-based home grocery listing system using speech recognition and barcode scanner

Suhaimi, Mohamad Faris Eizlan (2025) Development of microcontroller-based home grocery listing system using speech recognition and barcode scanner. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Home grocery buying and listing is a crucial aspect of household management, ensuring that the kitchen is stocked with all the necessary items. The classic pen-and-paper grocery list is ineffective since it is time-consuming and prone to human error (i.e., omitting items in a grocery list). Therefore, in this study, we proposed a microcontroller-based home grocery listing system using speech recognition and a barcode scanner. The proposed system is implemented using ESP32-S3, speech recognition, and barcode scanning module. The system receives user input through four methods: speech recognition and user entry via a mobile phone, as well as barcode scanning and user entry via a hardware keyboard. The data captured through these methods is stored in memory and subsequently transmitted via a WiFi connection to the mobile application of the home grocery listing system. The mobile application is developed using MIT App Inventor. This system gives a new satisfying experience to the users and a convenient way for them to make a home grocery list.

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