Sharp GP2Y0A02 Distance Measuring Sensor

เซนเซอร์วัดระยะทางเป็นเส้นตรงด้วยอินฟาเรด

int IRpin = A0;                                    // ต่อเซนเซอร์กับขา A0

void setup() {

   

  Serial.begin(9600);                             

}

void loop() {

  float volts = analogRead(IRpin)*0.0048828125;   // value from sensor * (5/1024) - if running 3.3.volts then change 5 to 3.3

  float distance = 65*pow(volts, -1.10);         

  Serial.println(distance);                      

  delay(100);                                     

}

HC-SR505 Mini Infrared PIR Motion Sensor

เซนเซอร์ตรวจจับความเคลื่อนไหว PIR ขนาดเล็ก HC-SR505 รองรับไฟได้ช่วงกว้าง 4.5-20V

void setup()  
{
  Serial.begin(9600);
  pinMode(4,INPUT);
  digitalWrite(4,LOW);
}
void loop()  
{
    if(digitalRead(4)==HIGH)  
    {
      Serial.println("Movement detected.");
    }
    else  
    {
      Serial.println("Nothing.");
    }
    delay(1000);
}

GP2Y0A41SK Infrared Sensor Sharp GP2Y0A41SK Distance Sensor

	#define sensor 2 // Sharp IR GP2Y0A41SK0F (4-30cm, analog)
	void setup() {
	Serial.begin(9600); // start the serial port
	}
	void loop() {
	// 5v
	float volts = analogRead(sensor)*0.0048828125; // value from sensor * (5/1024)
	int distance = 13*pow(volts, -1); // worked out from datasheet graph
	delay(100); // slow down serial port
	if (distance <= 30){
	Serial.println(distance); // print the distance
	}
	}

IC DS18B20 TO92 เซนเซอร์อุณหถูมิ DS18B20

ตัวอย่างโคด Arduino IC DS18B20 TO92 Temperature Sensor

#include <OneWire.h>
#include <DallasTemperature.h>

// Data wire is plugged into pin 2 on the Arduino
#define ONE_WIRE_BUS 2

// Setup a oneWire instance to communicate with any OneWire devices
// (not just Maxim/Dallas temperature ICs)
OneWire oneWire(ONE_WIRE_BUS);

// Pass our oneWire reference to Dallas Temperature.
DallasTemperature sensors(&oneWire);

void setup(void)
{
  // start serial port
  Serial.begin(9600);
  Serial.println("Dallas Temperature IC Control Library Demo");

  // Start up the library
  sensors.begin();
}


void loop(void)
{
  // call sensors.requestTemperatures() to issue a global temperature
  // request to all devices on the bus
  Serial.print(" Requesting temperatures...");
  sensors.requestTemperatures(); // Send the command to get temperatures
  Serial.println("DONE");

  Serial.print("Temperature for Device 1 is: ");
  Serial.print(sensors.getTempCByIndex(0)); // Why "byIndex"?
// You can have more than one IC on the same bus.
// 0 refers to the first IC on the wire

}