Remote-Controlled AC Devices Group Members: Alan Deguzman, Adarsh Uppula and David Zats Hardware Design Software Design Switch relay to control the AC power with the mote AC to 3V converters provides power to mote TelosB mote programmed with TinyOS Server Facilitates interaction with TelosB motes in AC adapters Always-on, and static IP allows users to connect from anywhere, anytime Two systems for converting user requests into binary mote packets: PHP - Allows user to interact with motes through browser - Provides mechanism for turning mote on and off and also for specifying the time for when the mote should turn on and off SML (Sensor ML) & RESTful URLs - Provides standardized mechanism Allows easy integration with different systems Design Motivations Complexity moved to server => easier to debug Reduction in computation on mote and packet size => increased lifetime Components above packaged into off the shelf AC adapter box Networking Protocol Networking Sequence 1. Browser sends request to server with specified arguments 2. Server parses request and sends 10 binary bytes to the TelosB mote via PHP sockets 3. TelosB mote responds by sending 3 bytes back to the server via TinyOS sockets 4. Server parses response and sends either HTML or SML to the browser depending on the request that was made Structure of Packets Mode: Get status, set status, or delay/duration Appliance: Choose appliance connected to mote Argument 1 & 2: Status or delay/duration (depends on mode) Response: Status or ignored (depends on mode) Final System