Robotic Projects.
Digital Code Lock.
Heart Rate Monitor with
RS-232 Interface.
PC to PC Communication.
Token Displays / Counters
Moving Display.
Digital Clocks.
Auto Dialers.
Auto Tap.
Auto Flushing System.
Multipoint Remote Control / Monitoring System through Infra Red, RF, Telephone  and Power Line.
Wireless Home Security Systems and many more projects...