I am working on GSM/SMS based Diesel Generator Telemetry system. It has planty of differnet options to work and study and also got good demand in market. You can also go for it.
Re: wireless sensor network for embadded system final projec
tectona I am also intrested in zigbee for my FYP can you provide some useful material some ebooks etc. I am specificaly intrested in building automation using ZigBee microcontrollers.