smart tablet stand

With the new coronavirus, kids are spending more time at home. The more time you spend looking at your tablet or smartphone, the worse your eyes may become. We made a tablet stand that has a built-in proximity alarm so that you don't stare at the tablet too close to your eyes as much as possible.

parts:
- arduino nano x1
- piezo buzzer x1
- VL530L0x (ToF sensor) x1
https://ja.aliexpress.com/i/32857282970.html

code:
https://github.com/okamoto-dmc/smartstand