int set = 19;
int reset = 18;

void setup() {
pinMode(set, OUTPUT);
pinMode(reset, OUTPUT);
}

void loop() {
//digitalWrite(set, LOW);
//digitalWrite(reset, LOW);

//digitalWrite(set, HIGH);
//digitalWrite(reset, LOW);

//digitalWrite(set, LOW);
//digitalWrite(reset, HIGH);

digitalWrite(set, HIGH);
digitalWrite(reset, HIGH);
}

#include "PMS.h"
PMS pms(Serial2);
PMS::DATA data;
int set = 18;

void setup()
{
  Serial2.begin(9600);   // GPIO1, GPIO3 (TX/RX pin on ESP-12E Development Board)
  Serial.begin(9600);  // GPIO2 (D4 pin on ESP-12E Development Board)
  pinMode(set, OUTPUT);
}

void loop()
{
  Serial.println("Waking up, wait 30 seconds for stable readings...");
  digitalWrite(set, HIGH);  //Setting hardware Waking up
  delay(30000);
  
  Serial.println("Send read request...");
  pms.requestRead();
  
  Serial.println("Wait max. 1 second for read...");
  if (pms.readUntil(data))
  {
    Serial.print("PM 1.0 (ug/m3): ");
    Serial.println(data.PM_AE_UG_1_0);

    Serial.print("PM 2.5 (ug/m3): ");
    Serial.println(data.PM_AE_UG_2_5);

    Serial.print("PM 10.0 (ug/m3): ");
    Serial.println(data.PM_AE_UG_10_0);

    Serial.println();
  }
  else
  {
    Serial.println("No data.");
  }
  Serial.println("Going to sleep for 60 seconds.");
  digitalWrite(set, LOW);  //Setting hardware sleep
  delay(60000);
}