Example Code for Arduino-Read Analog Value

Hardware Preparation

• DFR0022 Gravity: Analog Grayscale Sensor (SKU:DFR0022 x 1)
• DFRduino UNO R3 with IO Expansion Shield and USB Cable A-B (SKU:DFR0216-2 x 1)

Software Preparation

• Development Tool: Arduino IDE (version unspecified). Download link: Arduino IDE

Wiring Diagram

Sample Code

void setup()
{
  Serial.begin(9600); // open serial port, set the baud rate to 9600 bps
}
void loop()
{
      int val;
      val=analogRead(0);   //connect grayscale sensor to Analog 0
      Serial.println(val,DEC);//print the value to serial
      delay(100);
}