Those of you who have been following this site know that we are a big fan of DIY project sites. There are all kinds of fun projects available on them. Take Beach Buddy for instance. This is a solar phone charger, boombox, and sunburn timer. It is water- and sand-resistant. You are going to need an Arduino unit, a UV sensor, and some math to pull this off.
More gadgets like this: here
**Disclaimer: Our posts may feature aff links. As an Amazon Associate, we earn from qualifying purchases. Please read our disclaimer on how we fund this site.
