1) Anybody know how to implement serial communication on PIC16C54 using infrared.? 2) Well i need supporting documentations, reading or links Thanks. Mohd Zoolhelmy Johan (Project Development Engineer) RCT Electrical Engineering Sdn Bhd No 14 Jln Tengku Ampuan Zabedah 9/A 40000 Shah Alam Selangor DE Malaysia email: doritos@tm.net.my Tel : +603.553.5905 Fax : +603.553.5906