int rxPin = 0;
int txPin = 1;
SdsDustSensor sds(rxPin, txPin);
...
Serial.begin(9600);
What type of Arduino are you using?
int rxPin = 0;
int txPin = 1;
SdsDustSensor sds(rxPin, txPin);
...
Serial.begin(9600);
What type of Arduino are you using?