File list (Check if you may need any files):
Ultrasonic
..........\datasheet.pdf
..........\Debug
..........\.....\Exe
..........\.....\...\超声波.d43
..........\.....\List
..........\.....\Obj
..........\.....\...\main.r43
..........\.....\...\超声波.pbd
..........\lm1812_2.jpg
..........\lm1812_3.jpg
..........\lm324.pdf
..........\main.c
..........\MSP430超声波.pdf
..........\op07.pdf
..........\OP07内部结构图.jpg
..........\OPA606.pdf
..........\RS-232.txt
..........\settings
..........\........\超声波.dbgdt
..........\........\超声波.dni
..........\........\超声波.wsdt
..........\URM V3.2 chinese.pdf
..........\URM37 V3.2使用手册.doc
..........\URM37V3.2helpmate.exe
..........\功率放大lm386.pdf
..........\基于单片机的超声波测距系统.pdf
..........\超声波.dep
..........\超声波.ewd
..........\超声波.ewp
..........\超声波.eww
..........\超声波lm812.pdf