校园打铃系统，内带51单片机c语言程序和电路原理图以及PCB

校园打铃系统，内带51单片机c语言程序和电路原理图以及PCB-Darlin campus system, with 51 single-chip microcomputer with c language programming and circuit schematics and PCB

校园打铃系统
SET_TIME
MAX7219
MAIN
ling
18B20测温.c
ad.lst
ad.obj
Backup of PCB1.PCB
Backup of PCBPrint1.PPC
Backup of PCBPrint2.PPC
Backup of Preview PCB1.PPC
Backup of Sheet1.Sch
choice_transmit.lst
choice_transmit.obj
DS1302.c
jcc.ddb
ling.M51
ling.Opt
ling.plg
ling.Uv2
MAIN.BIN
main.c
MAIN.DSK
MAIN.HEX
main.lst
MAIN.M51
main.obj
MAIN.PRJ
MAX7219.BIN
MAX7219.DSK
MAX7219.h
MAX7219.HEX
MAX7219.LST
MAX7219.M51
MAX7219.OBJ
MAX7219.PRJ
MyDesign1.ddb
Previous Backup of PCB1.PCB
Previous Backup of PCBPrint2.PPC
Previous Backup of Sheet1.Sch
scan_time.c
SET_TIME.BIN
set_time.c
SET_TIME.DSK
SET_TIME.HEX
SET_TIME.LST
SET_TIME.M51
SET_TIME.OBJ
SET_TIME.PRJ
TEMP.LST
test.lst
test.obj
test1.lst
test1.obj
WAVE.LIN
实现功能.doc