Boxie: An Offline Audio Player for Toddlers – Built from Scratch
2025-04-28
Inspired by the Game Boy, a father embarked on a journey to build an offline audio player for his 3-year-old son, eliminating the shortcomings of commercial options. The project, named Boxie, uses an ESP32-S3 microcontroller, Micro SD card storage, and a custom-designed PCB and 3D-printed enclosure. The article details the entire process, from learning electronics to soldering SMD components, designing PCBs with EasyEDA, 3D modeling with Fusion 360, and writing the firmware. The result is a robust, offline, and child-friendly audio player showcasing impressive DIY skills and parental dedication.
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Hardware