SMS Alarm System
This alarm system is able to send SMS messages. Two sets of firmware communicate between a low power and a high power brain so that radio processes go to sleep when a dumber brain is just listening for a breakbeam or alarm sensor.
This alarm system is able to send SMS messages. Two sets of firmware communicate between a low power and a high power brain so that radio processes go to sleep when a dumber brain is just listening for a breakbeam or alarm sensor.