MQ-131 臭氧感測器
int sensorValue;
void setup()
{
Serial.begin(9600); // sets the serial port to 9600
}
void loop()
{
sensorValue = analogRead(0); // read analog input pin 0
Serial.println(sensorValue, DEC);// prints the value read
delay(100); // wait 100ms for next reading
}
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