Grayscale Sensor

Module Source

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Specifications

Operating Voltage: 3.3V-5V

Operating Current: <20mA

Output Format: Analog signal output

Control Interface: ADC (Analog-to-Digital Converter)

Pin Count: 3 Pins (2.54mm pitch header)

Hardware Connection

  The grayscale sensor typically has three pins: VCC, GND, and OUT. VCC should be connected to the 5V output of the development board, GND to the GND pin of the development board, and the OUT pin to the A0 analog input port of the development board.

Usage Method

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// 定义灰度传感器连接的模拟输入引脚
int graySensorPin = A0;

void setup() {
  // 初始化串行通讯，设置波特率为9600
  Serial.begin(9600);
}

void loop() {
  // 读取灰度传感器的模拟值
  int sensorValue = analogRead(graySensorPin);

  // 将读取的模拟值输出到串口监视器
  Serial.print("灰度值: ");
  Serial.println(sensorValue);

  // 稍作延迟，方便观察
  delay(500);
}

Usage Testing

  The grayscale sensor outputs an analog value, typically ranging from 0 to 1023 (with the development board's ADC being 10-bit). This value represents the variation in light intensity detected by the sensor, reflecting the grayscale level of the surface. In practical applications, you may need to conduct experiments and record the analog values of black and white surfaces under specific lighting conditions for comparison and judgment.