File list (Check if you may need any files):
STC_GY-30\STC_BH1750\STARTUP.A51
.........\..........\STARTUP.LST
.........\..........\STARTUP.OBJ
.........\..........\STC51_BH1750
.........\..........\STC51_BH1750.hex
.........\..........\STC51_BH1750.lnp
.........\..........\STC51_BH1750.M51
.........\..........\STC51_BH1750.opt.bak
.........\..........\STC51_BH1750.plg
.........\..........\STC51_BH1750.Uv2.bak
.........\..........\STC51_BH1750.uvopt
.........\..........\STC51_BH1750.uvproj
.........\..........\STC51_BH1750_Opt.Bak
.........\..........\STC51_BH1750_Uv2.Bak
.........\..........\STC51_BH1750_uvopt.bak
.........\..........\STC_BH1750.c
.........\..........\STC_BH1750.LST
.........\..........\STC_BH1750.OBJ
.........\..........\STC_BH1750.__i
.........\STC_GY-30接线图.pdf
.........\STC_BH1750
STC_GY-30