Hey guys, as some know, i work as a dishwasher in a restaurant. At this restaurant i hate being in the kitchen, but am paranoid about dishes stacking up in the dish pit, sooo this idea was born.
I want to have one arduino underneath the table that holds the dirty dishes sensing vibration, then sending a signal to another arduino pinned to my shirt or in my pocket, to notify me there was a vibration sensed by the arduino in the kitchen. So i was wondering, how would i send a signal from one arduino to another?! over lets say.....100 feet or so? (through walls)....or even 50 feet? i was thinking bluetooth, but how reliable would that be over a distance!?
Any ideas would be great! 