Boxie – an always offline audio player for my 3 year old

Boxie - an always offline audio player for my 3 year old 2025-04-26 Channeling the spirit of the Gameboy Table of Contents At the end of July 2024, I embarked on a journey to learn electronics so I could build little gadgets for my son. In my introductory post I described a few electronic toys he uses frequently, including the Tonie Box, a device that plays audiobooks and has a huge library of content. The Tonie Box is great, until it isn't. As outlined in my original post, it has several deficiencies. Back then, I didn't think I would ever be able to build my own replacement. Fast forward a few months, and I've learned enough electronics to build my son's own audio player. Here's the preliminary result: It's been in "prod" since January 2025. It's his daily driver, be it at the breakfast table or when going for stroll in his buggy. Yes, the volume control is backwards. Easy to fix in software. What I learned these past months It turned out to be easier than I thought. I had to ... Read full article.