The box is big enough to hold a smart phone and has an Arduino-based time lock. The real trick is making the box so that the Arduino can lock and unlock it with a solenoid.

Lock-box your phone and really unplug at these tiny cabins in Michigan’s beautiful Thumb. Updated: Sep. 20, 2023, 2:40 p.m. ... the cell phone lockboxes might be the most intriguing.

No tickets or reservations are required to participate in No-Phone Fridays — simply show up ready to surrender your phone. Participants must turn in their phones to a clear lock box, located ...

No tickets or reservations are required to participate in No-Phone Fridays — simply show up ready to surrender your phone. Participants must turn in their phones to a clear lock box, located ...

They've come up with that they say is a better idea -- installing plexi-glass cell phone lock boxes at tables. Those who break the lock before... CBC Radio · Posted: Mar 20, 2014 12:00 AM EDT ...