Speech ultrasonic ranging LCD12864 display
2016-08-23
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The ultrasonic range finder is controlled by 51. This design mainly uses 74LS04 and cx20106a as the range module, DS18B20 for temperature compensation, 12864 LCD display, hc-sr04 as the ultrasonic display board, and the voice module is composed of audio power amplifier LM386, voice chip WT588D and low differential voltage regulator lm1117.
c
语音
lcd
显示
超声波
测距
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