It's a programable "laptop." Hardware that allows me to program different activities in a nice box.
Want to track your child's driving habits? Want to alert them as to their speed or excessive speed? Sony's Spresense can support you!
Customized Time Announcement and Wake-Up Alarming using MP3 audio files.
Yes, I did it too - created a web radio and music player with the Raspberry Pi! What's special about my variant, you can read here.
I came up with the idea of this post through the articles on the subject of serial interfaces on ESP32dem Raspberry Pi Pico and that PC
An M5StickS3 pocket player with a custom headphone board, microSD MP3, Web Radio, FFT visuals, and a 3D-printed enclosure.