BPI-M2+ Weather station:Air pressure sensor, temperature sensor,light intensity sensor arduino lib

PM2.5 sensor （HLPM025K3）lib:

UART port read data:

#include "HLPM025K3.h"
#ifdef HLPM025K3_USE_SOFTWARE_SERIAL
SoftwareSerial mySerial(2, 3); // MEAG TX:10, RX:11
HLPM025K3 pm2_5(mySerial);
#else
HLPM025K3 pm2_5(Serial2);
#endif
void setup() {
  Serial.begin(9600);  
}

void loop() {
  pm2_5.read();

  Serial.print("pm2.5=");
  Serial.print(pm2_5.pm25);
  Serial.print("; pm10=");
  Serial.print(pm2_5.pm10);
  Serial.print("; AQI=");
  Serial.print(pm2_5.getAQI(pm2_5.pm25));
  Serial.println();
  delay(1000);
}

PM2.5 sensor （HLPM025K3）lib download link:

https://drive.google.com/file/d/0B4PAo2nW2KfnMjI2NG43TnRzTFE/view?usp=sharing