Sensor Kualitas Udara dan Gas LPG MQ2-MQ135 dan NodeMCU ESP8266

Alat Deteksi

Kualitas Udara / Gas LPG

Kaki LCD i2c

i2c => NodeMCU Esp8266

GND => G

VCC => 3.3V

SDA => D2

SCL => D1

Kaki Sensor Gas 

MQ2 MQ135 => NodeMCU Esp 8266

A0 => A0

D0 => D0

GND => G

VCC => 3.3v

TAMBAHAN LAINNYA:

Running Text Matrix 8x8 MAX7219 ESP8266

Kaki Pin Max7219 => ESP8266 NodeMCU

VCC => 3V

GND => G

DIN => D7

CS => D8

CLK => D5

Coding :

//Jurnalku by Fajar Himawan

//MAX7219 - using Parola Library to create complex text animations/transition

#include <MD_Parola.h>

#include <MD_MAX72xx.h>

#define HARDWARE_TYPE MD_MAX72XX::FC16_HW

#define MAX_DEVICES 1

#define CLK_PIN   D5

#define DATA_PIN  D7

#define CS_PIN    D8

MD_Parola P = MD_Parola(HARDWARE_TYPE, CS_PIN, MAX_DEVICES);

struct animations

{

  textEffect_t   anim_in; // Animation type

  textEffect_t   anim_out;// Animation type

  const char *   textOut;   // Text to display 

  uint16_t       speed;        // Animation speed (multiplier for library default)

  uint16_t       pause;        // pause (multiplier for library default)

  textPosition_t just;

};

animations animList[] =

{

    

  { PA_SCROLL_LEFT, PA_SCROLL_LEFT , "SMK Wachid Hasyim Surabaya ", 9, 0, PA_LEFT },

  { PA_RANDOM, PA_GROW_DOWN, "B", 1, 2 , PA_CENTER},

   { PA_RANDOM, PA_GROW_DOWN, "A", 1, 2 , PA_CENTER},

  { PA_BLINDS, PA_GROW_DOWN ,"I", 1, 2 ,PA_CENTER},

  { PA_SCROLL_DOWN_LEFT, PA_SCROLL_DOWN_LEFT ,"K", 1, 2 ,PA_LEFT},

    

{ PA_SCROLL_LEFT, PA_SCROLL_LEFT , "Robotika ", 9, 0, PA_LEFT },

  { PA_RANDOM, PA_GROW_DOWN, "R", 1, 2 , PA_CENTER},

   { PA_RANDOM, PA_GROW_DOWN, "O", 1, 2 , PA_CENTER},

  { PA_BLINDS, PA_GROW_DOWN ,"B", 1, 2 ,PA_CENTER},

    

      { PA_SCROLL_UP_RIGHT, PA_SCROLL_UP_RIGHT, "O", 1, 2 ,PA_RIGHT},

  { PA_SCROLL_DOWN_RIGHT, PA_SCROLL_DOWN_RIGHT, "T", 1, 2 , PA_CENTER},   

    { PA_SCROLL_UP_RIGHT, PA_SCROLL_UP_RIGHT, "I", 1, 2 ,PA_LEFT},

     { PA_RANDOM, PA_GROW_DOWN, "K", 1, 2 , PA_CENTER},

   { PA_RANDOM, PA_GROW_DOWN, "A", 1, 2 , PA_CENTER},

    

    

 { PA_SCROLL_LEFT, PA_SCROLL_LEFT , "Jurnalku by Fajar Himawan ", 9, 0, PA_LEFT },

  { PA_RANDOM, PA_GROW_DOWN, "J", 1, 2 , PA_CENTER},

   { PA_RANDOM, PA_GROW_DOWN, "U", 1, 2 , PA_CENTER},

  { PA_BLINDS, PA_GROW_DOWN ,"R", 1, 2 ,PA_CENTER},

    

  { PA_RANDOM, PA_GROW_DOWN, "N", 1, 2 , PA_CENTER},

   { PA_RANDOM, PA_GROW_DOWN, "A", 1, 2 , PA_CENTER},

  { PA_BLINDS, PA_GROW_DOWN ,"L", 1, 2 ,PA_CENTER},

  { PA_SCROLL_DOWN_LEFT, PA_SCROLL_DOWN_LEFT ,"P", 1, 2 ,PA_LEFT},

    

    { PA_RANDOM, PA_GROW_DOWN, "K", 1, 2 , PA_CENTER},

   { PA_RANDOM, PA_GROW_DOWN, "U", 1, 2 , PA_CENTER},

};

void setup() {

  P.begin();

  

  for (uint8_t i=0; i<ARRAY_SIZE(animList); i++)

  {

    animList[i].speed *= P.getSpeed(); animList[i].pause *= 500;

  }

}

void loop() {

  static uint8_t i = 0;  // text effect index

  if (P.displayAnimate())// animates and returns true when an animation is completed

  {

    if (i == ARRAY_SIZE(animList))i = 0;  // reset loop index

    P.displayText(animList[i].textOut, animList[i].just, animList[i].speed,  

                  animList[i].pause, animList[i].anim_in, animList[i].anim_out);

    delay(500);

    i++;   // then set up for next text effect

  }    

}