19 lines
276 B
C++
19 lines
276 B
C++
#define LEFT 13
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void setup()
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{
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Serial.begin(9600);
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pinMode(LEFT, INPUT);
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}
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void loop()
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{
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// 1 没有检测到障碍物，0 检测到障碍物
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int Left_Value = digitalRead(LEFT);
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Serial.print("LEFT: ");
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Serial.println(Left_Value);
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delay(2000);
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}
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