choi chanhak
korea
DS4FKT
2002 pearl MK2
jpg1 / jpg2 / jpg3 / jpg4 / mpeg / sch

2001 pearl MK2
using PIC16C711
jpg1 / jpg2 / jpg3 / jpg4 / jpg5 / jpg6 / jpg7 / jpg8 / jpg9

2001 Fall peace
using PIC16F84/4M, solar cell, RF transmitter and receiver
mpeg1 / mpeg2 / jpg1 / jpg2 / jpg3
2001 Summer pearl
using PIC16C73B, IR receiver, NiMH battery