Code Example For Arduino - SeeedStudio Grove Introduction

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Copy and paste code below to a new Arduino sketch.
int val;
void setup()
{
Serial.begin(9600);
}
void loop()
{
analogRead(0);
delay(10);
val = analogRead(0);
Serial.println(val);
delay(200);
}
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Upload the code.
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Then open the serial monitor to observe the output results. There will be a significant
change when blow to the sensor.