本帖最後由 tonyh 於 2022-1-28 16:09 編輯
 - int detectPin=D3;
- int isObstacle=HIGH; // HIGH MEANS NO OBSTACLE
-
- void setup() {
- pinMode(detectPin, INPUT);
- Serial.begin(9600);
- }
-
- void loop() {
- isObstacle=digitalRead(detectPin);
- if(isObstacle==LOW)
- Serial.println("OBSTACLE!!, OBSTACLE!!");
- else
- Serial.println("clear");
- delay(100);
- }
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