미래 농어업을 선도하는 창의적 인재 육성 대학
#include <SoftwareSerial.h>
SoftwareSerial mySerial(A0,A1);
byte cmd[9]={0xFF, 0x01, 0x86, 0x00, 0x00, 0x00, 0x00, 0x00, 0x79};
byte response[9];
String ppmString=" ";
void setup(){
Serial.begin(9600);
mySerial.begin(9600);
Serial.println("LABEL,TIME,CO2");
}
void loop(){
mySerial.write(cmd,9);
mySerial.readBytes(response,9);
byte chck = 0;
int ppm = (response[2] << 8)|response[3];
ppmString = String(ppm);
Serial.print("CO2:");
Serial.println(ppm);
Serial.print("DATA,TIME,");
Serial.print(ppm);
Serial.println(",");
delay(1000);
}