1번이었던 화재경보기보다 쉬운 자동 블라인드 입니다! #include int distance = 0; int cdsVal = 0; long readUltrasonicDistance(int triggerPin, int echoPin) { pinMode(triggerPin, OUTPUT); // Clear the trigger digitalWrite(triggerPin, LOW); delayMicroseconds(2); // Sets the trigger pin to HIGH state for 10 microseconds digitalWrite(triggerPin, HIGH); delayMicroseconds(10); digitalWrite(triggerPin, LOW); pinMode(echoPin, IN..
