Beach Buddy, a 3-in-1 solar phone charger, boombox, and sunburn timer calculator

An all-in-one, water and sand resistant, solar charger, audio speaker system, and sunburn timer calculator by¬†starwisher. ¬†Check out the project’s instructables page here: This Instructable harnesses the power of Arduino, a UV sensor, and simple mathematics to make one nifty gadget sure to boost your outdoor summer fun – and minimize your indoor summer recovery!