File list (Check if you may need any files):
Experiment24_ne555
..................\ASM
..................\...\555.ASM
..................\...\555.hex
..................\...\重要说明.txt
..................\C51
..................\...\ne555
..................\...\ne555.c
..................\...\ne555.hex
..................\...\ne555.lnp
..................\...\ne555.lst
..................\...\ne555.M51
..................\...\ne555.obj
..................\...\ne555.Opt
..................\...\ne555.plg
..................\...\ne555.Uv2