File list (Check if you may need any files):
RS232\R1\Backup of R1.ewd
.....\..\Backup of R1.ewp
.....\..\Debug\Exe\R1.d43
.....\..\.....\Obj\main.r43
.....\..\.....\...\R1.pbd
.....\..\main.c
.....\..\R1.dep
.....\..\R1.ewd
.....\..\R1.ewp
.....\..\R1.eww
.....\..\settings\R1.cspy.bat
.....\..\........\R1.dbgdt
.....\..\........\R1.dni
.....\..\........\R1.wsdt
.....\.2\Backup of R2.ewd
.....\..\Backup of R2.ewp
.....\..\Debug\Exe\R2.d43
.....\..\.....\Obj\Keypad.r43
.....\..\.....\...\main.r43
.....\..\.....\...\R2.pbd
.....\..\Keypad.c
.....\..\Keypad.h
.....\..\main.c
.....\..\R2.dep
.....\..\R2.ewd
.....\..\R2.ewp
.....\..\R2.eww
.....\..\settings\R2.cspy.bat
.....\..\........\R2.dbgdt
.....\..\........\R2.dni
.....\..\........\R2.wsdt
.....\.3\Backup of R3.ewd
.....\..\Backup of R3.ewp
.....\..\BoardConfig.h
.....\..\cry1602.c
.....\..\cry1602.h
.....\..\Debug\Exe\R3.d43
.....\..\.....\Obj\cry1602.r43
.....\..\.....\...\main.r43
.....\..\.....\...\R3.pbd
.....\..\main.c
.....\..\R3.dep
.....\..\R3.ewd
.....\..\R3.ewp
.....\..\R3.eww
.....\..\settings\R3.cspy.bat
.....\..\........\R3.dbgdt
.....\..\........\R3.dni
.....\..\........\R3.wsdt
.....\.4\Backup of R4.ewd
.....\..\Backup of R4.ewp
.....\..\Debug\Exe\R4.d43
.....\..\.....\Obj\main.r43
.....\..\.....\...\R4.pbd
.....\..\main.c
.....\..\R4.dep
.....\..\R4.ewd
.....\..\R4.ewp
.....\..\R4.eww
.....\..\settings\R4.cspy.bat
.....\..\........\R4.dbgdt
.....\..\........\R4.dni
.....\..\........\R4.wsdt
.....\.1\Debug\Exe
.....\..\.....\List
.....\..\.....\Obj
.....\.2\Debug\Exe
.....\..\.....\List
.....\..\.....\Obj
.....\.3\Debug\Exe
.....\..\.....\List
.....\..\.....\Obj
.....\.4\Debug\Exe
.....\..\.....\List
.....\..\.....\Obj
.....\.1\Debug
.....\..\settings
.....\.2\Debug
.....\..\settings
.....\.3\Debug
.....\..\settings
.....\.4\Debug
.....\..\settings
.....\R1
.....\R2
.....\R3
.....\R4
RS232