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STD 超声波倒车雷达系统设计方案

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Update time: 2021-04-04 11:46:14
Creation time: 2016-05-05 07:34:08
Description
本系统设计采用STC89C52单片机作为控制器,利用超声波测距原理实现障碍物检测功能。硬件部分主要包括超声波检测模块、温度采集电路、LCD显示电路和报警电路。利用超声波对距离的检测,将车体到障碍物间的距离探测出来,然后经单片机处理运算且在LCD显示出所测距离,并与设定的报警距离值进行判断比较。当测得距离小于设定值时,STC89C52发出指令控制二极管发光和蜂鸣器报警。
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ID Name Designator Footprint Quantity
1 AT89C52 U1 DIP40 1
2 22p C1,C2 C1 2
3 22u C3 CP_8X13MM 1
4 XTALfast Q1 1X02 1
5 SPST_ON S1,S2,S3,S4,S5 TACTILE-PTH 5
6 10k R1 R3 1
7 HD44780LCD-1602 X1 LCD1602 1
8 10k R3 TRIM_POT_PTH 1
9 RPACK-BUSSED-8 R2 RPACK-SIP-PTH-8-LP 1
10 LED D1,D2,D3 LED3MM 3
11 470 R4,R5 R3 2
12 2k R6,R9 R3 2
13 BC807_16 Q2 SOT23 1
14 8 R7 1X02 1
15 -CON4 U2,U3,U4 CON4 3
16 -CON3 U5,U6 CON3 2
17 4.7k R8 R3 1
18 CON10X01 J1,J2,J3,J4 1X10 4

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