I wanted to get some advice on the best product to attempt a project.
The project will require 2 parts; one the master and the other a slave connected by Bluetooth.
I want to have the master activated by a switch, the master will connect to the slave via Bluetooth "smaller the better regarding size for the slave part" once the master is activated via the switch, I want the slave to alert once it has moved out of range or say 10 meters form the master. A simple Beep once or twice would do the trick from the slave part.
Any advice would be awesome.