DIY Humidifier - Grove Water Atomization

1/* This code works with Grove Water Atomization module
2 * It activate   the atomizer for 3 seconds and turn it off with a message shown of the statut
3   * Refer to http://Surtrtech.com for more details
4 */
5
6#define Atomizer   A5          //Atomizer EN pin
7
8void setup() {
9  
10  Serial.begin(9600);
11   pinMode(Atomizer, OUTPUT); 
12  
13}
14
15void loop() {
16  
17Serial.println("Atomization   !!!!");
18digitalWrite(Atomizer,HIGH);
19delay(3000);
20
21Serial.println("Atomization   OFF");
22digitalWrite(Atomizer,LOW);
23delay(3000);
24
25}
26

1/* This code works with Grove Atomizer, DHT11 and OLED ic display
2   * It shows the current temperature and humidity alongside the humidifier statut
3   * It constantly read the ambient humidity and try to keep it at a defined humidity   level (here is 70%)
4 * and it activate the humidifer/atomizer everytime it's   necessary to do so
5 * Please refer to http://SurtrTech.com for more details
6   */
7
8#include "DHT.h"                  //Required libraries for DHT and OLED
9#include   <Adafruit_GFX.h>
10#include <Adafruit_SSD1306.h>
11
12#define Atomizer 3       //Atomizer   EN pin
13#define DHTpin 2         //DHT signal pin
14#define DHTTYPE DHT11    //you   can use DHT 22...
15#define SCREEN_WIDTH 128 // OLED display width, in pixels
16#define   SCREEN_HEIGHT 32 // OLED display height, in pixels
17#define OLED_RESET    -1 //   Reset pin # (or -1 if sharing Arduino reset pin)
18
19Adafruit_SSD1306 display(SCREEN_WIDTH,   SCREEN_HEIGHT, &Wire, OLED_RESET); //Declaring the display name (display)
20
21DHT   dht(DHTpin, DHTTYPE);
22
23void setup() {
24  
25    Serial.begin(9600);
26     dht.begin();
27    display.begin(SSD1306_SWITCHCAPVCC, 0x3C); //Start the OLED   display
28    display.clearDisplay();
29    display.display();
30    pinMode(Atomizer,   OUTPUT);
31      
32}
33
34void loop() {
35 
36  float h = dht.readHumidity();          //Reading the humidity/Temperature values, you can calibrate them if you   want
37  float t = dht.readTemperature();      //You can add true between those   brackets to make it Fahrenheit instead of Celsius
38
39  if(h>=70){                           //if   the humidity % is equal or above the setpoint (70) the atomizer stops
40    digitalWrite(Atomizer,LOW);
41     
42    }
43  
44  display.clearDisplay();
45  display.setTextSize(2);                    
46   display.setTextColor(WHITE);             
47  display.setCursor(0,0);                
48   display.print("H "); 
49  display.print(h,1);
50  display.print(" %");
51     
52    if(h<70){                      //Otherwise it will be on and it will   show "On" on the display alongside the current temperature and humidity
53    digitalWrite(Atomizer,HIGH);
54     display.print("On");
55    }
56    
57  display.setCursor(0,19);                
58   display.print("T "); 
59  display.print(t,1);
60  display.print(" C");
61   display.display();
62  delay(1000);
63
64}
65

1/* This code works with Grove Water Atomization module
2 * It activate  the atomizer for 3 seconds and turn it off with a message shown of the statut
3  * Refer to http://Surtrtech.com for more details
4 */
5
6#define Atomizer  A5          //Atomizer EN pin
7
8void setup() {
9  
10  Serial.begin(9600);
11  pinMode(Atomizer, OUTPUT); 
12  
13}
14
15void loop() {
16  
17Serial.println("Atomization  !!!!");
18digitalWrite(Atomizer,HIGH);
19delay(3000);
20
21Serial.println("Atomization  OFF");
22digitalWrite(Atomizer,LOW);
23delay(3000);
24
25}
26

1/* This code works with Grove Atomizer, DHT11 and OLED ic display
2  * It shows the current temperature and humidity alongside the humidifier statut
3  * It constantly read the ambient humidity and try to keep it at a defined humidity  level (here is 70%)
4 * and it activate the humidifer/atomizer everytime it's  necessary to do so
5 * Please refer to http://SurtrTech.com for more details
6  */
7
8#include "DHT.h"                  //Required libraries for DHT and OLED
9#include  <Adafruit_GFX.h>
10#include <Adafruit_SSD1306.h>
11
12#define Atomizer 3       //Atomizer  EN pin
13#define DHTpin 2         //DHT signal pin
14#define DHTTYPE DHT11    //you  can use DHT 22...
15#define SCREEN_WIDTH 128 // OLED display width, in pixels
16#define  SCREEN_HEIGHT 32 // OLED display height, in pixels
17#define OLED_RESET    -1 //  Reset pin # (or -1 if sharing Arduino reset pin)
18
19Adafruit_SSD1306 display(SCREEN_WIDTH,  SCREEN_HEIGHT, &Wire, OLED_RESET); //Declaring the display name (display)
20
21DHT  dht(DHTpin, DHTTYPE);
22
23void setup() {
24  
25    Serial.begin(9600);
26    dht.begin();
27    display.begin(SSD1306_SWITCHCAPVCC, 0x3C); //Start the OLED  display
28    display.clearDisplay();
29    display.display();
30    pinMode(Atomizer,  OUTPUT);
31      
32}
33
34void loop() {
35 
36  float h = dht.readHumidity();         //Reading the humidity/Temperature values, you can calibrate them if you  want
37  float t = dht.readTemperature();      //You can add true between those  brackets to make it Fahrenheit instead of Celsius
38
39  if(h>=70){                           //if  the humidity % is equal or above the setpoint (70) the atomizer stops
40    digitalWrite(Atomizer,LOW);
41    
42    }
43  
44  display.clearDisplay();
45  display.setTextSize(2);                    
46  display.setTextColor(WHITE);             
47  display.setCursor(0,0);                
48  display.print("H "); 
49  display.print(h,1);
50  display.print(" %");
51    
52    if(h<70){                      //Otherwise it will be on and it will  show "On" on the display alongside the current temperature and humidity
53    digitalWrite(Atomizer,HIGH);
54    display.print("On");
55    }
56    
57  display.setCursor(0,19);                
58  display.print("T "); 
59  display.print(t,1);
60  display.print(" C");
61  display.display();
62  delay(1000);
63
64}
65