IoT Growbox Controler

Send the sensor values to the Arduino IoT cloud and conveniently control the irrigation remotely

Jul 6, 2022

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Components and supplies

GROVE Oled Display 0,96 inch I2C

Unbuckled Grove Cable 1m/2m/50cm/20cm/10cm

5V Relay Module KY-019

Ultrasonic Sensor - HC-SR04 (Generic)

Isolation Spray

Arduino MKR WiFi 1010

Arduino MKR Connector Carrier

Jumper wires (generic)

Capacitive Soil Moisture Sensor V 1.2

DHT11 Temperature & Humidity Sensor (3 pins)

Tools and machines

Soldering iron (generic)

Mini Side Cutter, 120mm Length with 25mm Jaw Capacity

Apps and platforms

Arduino IoT Cloud

Project description

Code

GrowboxControler (Sketch)

arduino

With this code snippet the magic happens...

1#include "thingProperties.h"
2#include <EduIntro.h>
3#include <NewPing.h>
4#include   <Wire.h>
5#include <SeeedOLED.h>
6
7#define LEVELFULL 32
8#define LEVELEMPTY   32
9#define VOLUME 25
10
11#define trigPin  6
12#define echoPin  7
13#define   MAX_DISTANCE 100
14
15float duration;
16NewPing sonar(trigPin, echoPin, MAX_DISTANCE);
17
18int   moist1Pin = A1;
19int moist2Pin = A2;
20int moist3Pin = A3;
21int moist4Pin =   A4;
22
23int taster = 4;
24int tasterstatus = 0;
25
26float M1;
27float M2;
28float   M3;
29float M4;
30float HUM;
31float TMP;
32
33DHT11 dht11(D1);
34 
35void   setup() {
36// Initialize serial and wait for port to open:
37Serial.begin(9600);
38//   This delay gives the chance to wait for a Serial Monitor without blocking if none   is found
39delay(1500); 
40  
41//Start I2C Communication for OLED Display
42Wire.begin();
43SeeedOled.init();   //initialze SEEED OLED display
44SeeedOled.clearDisplay(); //clear the screen and   set start position to top left corner
45SeeedOled.setNormalDisplay(); //Set display   to normal mode
46SeeedOled.setPageMode(); //Set addressing mode to Page Mode
47
48//Set   digital pin D2 as an output
49pinMode(2, OUTPUT);
50  
51//Set digital pin D4   as an input
52pinMode(taster, INPUT);
53  
54// Defined in thingProperties.h
55initProperties();
56   
57// Connect to Arduino IoT Cloud
58ArduinoCloud.begin(ArduinoIoTPreferredConnection);
59//Get   Cloud Info/errors , 0 (only errors) up to 4
60setDebugMessageLevel(2);
61ArduinoCloud.printDebugInfo();
62
63//Wait   to get cloud connection
64while (ArduinoCloud.connected() != 1) {
65  ArduinoCloud.update();
66   delay(500);
67  }
68}
69 
70void loop() {
71  //Update the Cloud
72  ArduinoCloud.update();
73   
74 
75  //read raw moisture1 value
76  float raw_moisture1 = analogRead(moist1Pin);
77   
78 
79  //map raw moisture1 to a scale of 0 - 100
80  moisture1 = map(raw_moisture1,   205, 471, 100, 0);
81  
82  
83   //read raw moisture2 value
84  float raw_moisture2   = analogRead(moist2Pin);
85  
86 
87  //map raw moisture2 to a scale of 0 - 100
88   moisture2 = map(raw_moisture2, 215, 480, 100, 0);
89
90
91  //read raw moisture3   value
92  float raw_moisture3 = analogRead(moist3Pin);
93  
94 
95  //map raw   moisture3 to a scale of 0 - 100
96  moisture3 = map(raw_moisture3, 220, 505, 100,   0);
97
98
99  //read raw moisture4 value
100  float raw_moisture4 = analogRead(moist4Pin);
101   
102  //map raw moisture4 to a scale of 0 - 100
103  moisture4 = map(raw_moisture4,   200, 456, 100, 0);
104  
105  //read temperature and humidity
106  dht11.update();
107   temperature = dht11.readCelsius();
108  humidity = dht11.readHumidity();
109  
110   // Level monitoring with ultrasonic sensor
111  // Waiting time between pings   (about 20 pings/sec). not less than 29ms!
112  delay(50);
113  //Measurement with   averaging
114  int iterations = 5;
115  //duration = sonar.ping() without averaging
116   duration = sonar.ping_median(iterations);
117  //Distance in cm
118  int distance   = int((duration / 2) * 0.0343);
119  //Calculate level
120  int levelact = (LEVELEMPTY   - distance);
121  //Calculate level in Percent
122  levelpercent = (levelact * 100   / LEVELFULL);
123  
124  //Button configuration to switch on the Oled display
125   tasterstatus = digitalRead(taster);
126
127  M1 = map(raw_moisture1, 205, 471,   100, 0);
128  M2 = map(raw_moisture2, 215, 480, 100, 0);
129  M3 = map(raw_moisture3,   220, 505, 100, 0);
130  M4 = map(raw_moisture4, 200, 456, 100, 0);
131  HUM = dht11.readHumidity();
132   TMP = dht11.readCelsius();
133  
134  if (tasterstatus == HIGH)//Button is activated   - Oled outputs sensor values
135  { 
136  SeeedOled.setTextXY(0,11); //Set the cursor   to Xth Page, Yth Column
137  SeeedOled.putString("Box1"); //Print the string
138   SeeedOled.setTextXY(1,0); //Set the cursor to Xth Page, Yth Column
139  SeeedOled.putString("TMP   "); //Print the string
140  SeeedOled.putFloat(TMP); //Print the value
141  SeeedOled.putString("   C"); //Print the string
142  SeeedOled.setTextXY(2,0); //Set the cursor to Xth   Page, Yth Column
143  SeeedOled.putString("RLH "); //Print the string
144  SeeedOled.putFloat(HUM);   //Print the value
145  SeeedOled.putString(" % "); //Print the string
146  SeeedOled.setTextXY(4,0);   //Set the cursor to Xth Page, Yth Column
147  SeeedOled.putString("M_1 "); //Print   the string
148  SeeedOled.putFloat(M1); //Print the value
149  SeeedOled.putString("   % "); //Print the string  
150  SeeedOled.setTextXY(5,0); //Set the cursor to Xth   Page, Yth Column
151  SeeedOled.putString("M_2 "); //Print the string
152  SeeedOled.putFloat(M2);   //Print the value
153  SeeedOled.putString(" % "); //Print the string  
154  SeeedOled.setTextXY(6,0);   //Set the cursor to Xth Page, Yth Column
155  SeeedOled.putString("M_3 "); //Print   the string
156  SeeedOled.putFloat(M3); //Print the value
157  SeeedOled.putString("   % "); //Print the string
158  SeeedOled.setTextXY(7,0); //Set the cursor to Xth   Page, Yth Column  
159  SeeedOled.putString("M_4 "); //Print the string
160  SeeedOled.putFloat(M4);   //Print the value
161  SeeedOled.putString(" % "); //Print the string
162  
163   delay(30000); //Oled stays activated for 30 seconds
164  
165  SeeedOled.clearDisplay();   //Oled at rest
166 
167  } 
168  else
169  {
170  SeeedOled.clearDisplay();//Oled   at rest
171  } 
172
173}
174/*
175  Since Pumpe is READ_WRITE variable, onPumpeChange()   is
176  executed every time a new value is received from IoT Cloud.
177*/
178void   onPumpeChange()  {
179  //Turn pump on or off
180  if(pumpe){
181    digitalWrite(2,   HIGH);
182  }
183  else{
184    digitalWrite(2, LOW);
185    }
186  }
187

#include "thingProperties.h"
#include <EduIntro.h>
#include <NewPing.h>
#include   <Wire.h>
#include <SeeedOLED.h>

#define LEVELFULL 32
#define LEVELEMPTY   32
#define VOLUME 25

#define trigPin  6
#define echoPin  7
#define   MAX_DISTANCE 100

float duration;
NewPing sonar(trigPin, echoPin, MAX_DISTANCE);

int   moist1Pin = A1;
int moist2Pin = A2;
int moist3Pin = A3;
int moist4Pin =   A4;

int taster = 4;
int tasterstatus = 0;

float M1;
float M2;
float   M3;
float M4;
float HUM;
float TMP;

DHT11 dht11(D1);
 
void   setup() {
// Initialize serial and wait for port to open:
Serial.begin(9600);
//   This delay gives the chance to wait for a Serial Monitor without blocking if none   is found
delay(1500); 
  
//Start I2C Communication for OLED Display
Wire.begin();
SeeedOled.init();   //initialze SEEED OLED display
SeeedOled.clearDisplay(); //clear the screen and   set start position to top left corner
SeeedOled.setNormalDisplay(); //Set display   to normal mode
SeeedOled.setPageMode(); //Set addressing mode to Page Mode

//Set   digital pin D2 as an output
pinMode(2, OUTPUT);
  
//Set digital pin D4   as an input
pinMode(taster, INPUT);
  
// Defined in thingProperties.h
initProperties();
   
// Connect to Arduino IoT Cloud
ArduinoCloud.begin(ArduinoIoTPreferredConnection);
//Get   Cloud Info/errors , 0 (only errors) up to 4
setDebugMessageLevel(2);
ArduinoCloud.printDebugInfo();

//Wait   to get cloud connection
while (ArduinoCloud.connected() != 1) {
  ArduinoCloud.update();
   delay(500);
  }
}
 
void loop() {
  //Update the Cloud
  ArduinoCloud.update();
   
 
  //read raw moisture1 value
  float raw_moisture1 = analogRead(moist1Pin);
   
 
  //map raw moisture1 to a scale of 0 - 100
  moisture1 = map(raw_moisture1,   205, 471, 100, 0);
  
  
   //read raw moisture2 value
  float raw_moisture2   = analogRead(moist2Pin);
  
 
  //map raw moisture2 to a scale of 0 - 100
   moisture2 = map(raw_moisture2, 215, 480, 100, 0);


  //read raw moisture3   value
  float raw_moisture3 = analogRead(moist3Pin);
  
 
  //map raw   moisture3 to a scale of 0 - 100
  moisture3 = map(raw_moisture3, 220, 505, 100,   0);


  //read raw moisture4 value
  float raw_moisture4 = analogRead(moist4Pin);
   
  //map raw moisture4 to a scale of 0 - 100
  moisture4 = map(raw_moisture4,   200, 456, 100, 0);
  
  //read temperature and humidity
  dht11.update();
   temperature = dht11.readCelsius();
  humidity = dht11.readHumidity();
  
   // Level monitoring with ultrasonic sensor
  // Waiting time between pings   (about 20 pings/sec). not less than 29ms!
  delay(50);
  //Measurement with   averaging
  int iterations = 5;
  //duration = sonar.ping() without averaging
   duration = sonar.ping_median(iterations);
  //Distance in cm
  int distance   = int((duration / 2) * 0.0343);
  //Calculate level
  int levelact = (LEVELEMPTY   - distance);
  //Calculate level in Percent
  levelpercent = (levelact * 100   / LEVELFULL);
  
  //Button configuration to switch on the Oled display
   tasterstatus = digitalRead(taster);

  M1 = map(raw_moisture1, 205, 471,   100, 0);
  M2 = map(raw_moisture2, 215, 480, 100, 0);
  M3 = map(raw_moisture3,   220, 505, 100, 0);
  M4 = map(raw_moisture4, 200, 456, 100, 0);
  HUM = dht11.readHumidity();
   TMP = dht11.readCelsius();
  
  if (tasterstatus == HIGH)//Button is activated   - Oled outputs sensor values
  { 
  SeeedOled.setTextXY(0,11); //Set the cursor   to Xth Page, Yth Column
  SeeedOled.putString("Box1"); //Print the string
   SeeedOled.setTextXY(1,0); //Set the cursor to Xth Page, Yth Column
  SeeedOled.putString("TMP   "); //Print the string
  SeeedOled.putFloat(TMP); //Print the value
  SeeedOled.putString("   C"); //Print the string
  SeeedOled.setTextXY(2,0); //Set the cursor to Xth   Page, Yth Column
  SeeedOled.putString("RLH "); //Print the string
  SeeedOled.putFloat(HUM);   //Print the value
  SeeedOled.putString(" % "); //Print the string
  SeeedOled.setTextXY(4,0);   //Set the cursor to Xth Page, Yth Column
  SeeedOled.putString("M_1 "); //Print   the string
  SeeedOled.putFloat(M1); //Print the value
  SeeedOled.putString("   % "); //Print the string  
  SeeedOled.setTextXY(5,0); //Set the cursor to Xth   Page, Yth Column
  SeeedOled.putString("M_2 "); //Print the string
  SeeedOled.putFloat(M2);   //Print the value
  SeeedOled.putString(" % "); //Print the string  
  SeeedOled.setTextXY(6,0);   //Set the cursor to Xth Page, Yth Column
  SeeedOled.putString("M_3 "); //Print   the string
  SeeedOled.putFloat(M3); //Print the value
  SeeedOled.putString("   % "); //Print the string
  SeeedOled.setTextXY(7,0); //Set the cursor to Xth   Page, Yth Column  
  SeeedOled.putString("M_4 "); //Print the string
  SeeedOled.putFloat(M4);   //Print the value
  SeeedOled.putString(" % "); //Print the string
  
   delay(30000); //Oled stays activated for 30 seconds
  
  SeeedOled.clearDisplay();   //Oled at rest
 
  } 
  else
  {
  SeeedOled.clearDisplay();//Oled   at rest
  } 

}
/*
  Since Pumpe is READ_WRITE variable, onPumpeChange()   is
  executed every time a new value is received from IoT Cloud.
*/
void   onPumpeChange()  {
  //Turn pump on or off
  if(pumpe){
    digitalWrite(2,   HIGH);
  }
  else{
    digitalWrite(2, LOW);
    }
  }

GrowboxControler (Sketch)

arduino

With this code snippet the magic happens...

1#include "thingProperties.h"
2#include <EduIntro.h>
3#include <NewPing.h>
4#include  <Wire.h>
5#include <SeeedOLED.h>
6
7#define LEVELFULL 32
8#define LEVELEMPTY  32
9#define VOLUME 25
10
11#define trigPin  6
12#define echoPin  7
13#define  MAX_DISTANCE 100
14
15float duration;
16NewPing sonar(trigPin, echoPin, MAX_DISTANCE);
17
18int  moist1Pin = A1;
19int moist2Pin = A2;
20int moist3Pin = A3;
21int moist4Pin =  A4;
22
23int taster = 4;
24int tasterstatus = 0;
25
26float M1;
27float M2;
28float  M3;
29float M4;
30float HUM;
31float TMP;
32
33DHT11 dht11(D1);
34 
35void  setup() {
36// Initialize serial and wait for port to open:
37Serial.begin(9600);
38//  This delay gives the chance to wait for a Serial Monitor without blocking if none  is found
39delay(1500); 
40  
41//Start I2C Communication for OLED Display
42Wire.begin();
43SeeedOled.init();  //initialze SEEED OLED display
44SeeedOled.clearDisplay(); //clear the screen and  set start position to top left corner
45SeeedOled.setNormalDisplay(); //Set display  to normal mode
46SeeedOled.setPageMode(); //Set addressing mode to Page Mode
47
48//Set  digital pin D2 as an output
49pinMode(2, OUTPUT);
50  
51//Set digital pin D4  as an input
52pinMode(taster, INPUT);
53  
54// Defined in thingProperties.h
55initProperties();
56  
57// Connect to Arduino IoT Cloud
58ArduinoCloud.begin(ArduinoIoTPreferredConnection);
59//Get  Cloud Info/errors , 0 (only errors) up to 4
60setDebugMessageLevel(2);
61ArduinoCloud.printDebugInfo();
62
63//Wait  to get cloud connection
64while (ArduinoCloud.connected() != 1) {
65  ArduinoCloud.update();
66  delay(500);
67  }
68}
69 
70void loop() {
71  //Update the Cloud
72  ArduinoCloud.update();
73  
74 
75  //read raw moisture1 value
76  float raw_moisture1 = analogRead(moist1Pin);
77  
78 
79  //map raw moisture1 to a scale of 0 - 100
80  moisture1 = map(raw_moisture1,  205, 471, 100, 0);
81  
82  
83   //read raw moisture2 value
84  float raw_moisture2  = analogRead(moist2Pin);
85  
86 
87  //map raw moisture2 to a scale of 0 - 100
88  moisture2 = map(raw_moisture2, 215, 480, 100, 0);
89
90
91  //read raw moisture3  value
92  float raw_moisture3 = analogRead(moist3Pin);
93  
94 
95  //map raw  moisture3 to a scale of 0 - 100
96  moisture3 = map(raw_moisture3, 220, 505, 100,  0);
97
98
99  //read raw moisture4 value
100  float raw_moisture4 = analogRead(moist4Pin);
101  
102  //map raw moisture4 to a scale of 0 - 100
103  moisture4 = map(raw_moisture4,  200, 456, 100, 0);
104  
105  //read temperature and humidity
106  dht11.update();
107  temperature = dht11.readCelsius();
108  humidity = dht11.readHumidity();
109  
110  // Level monitoring with ultrasonic sensor
111  // Waiting time between pings  (about 20 pings/sec). not less than 29ms!
112  delay(50);
113  //Measurement with  averaging
114  int iterations = 5;
115  //duration = sonar.ping() without averaging
116  duration = sonar.ping_median(iterations);
117  //Distance in cm
118  int distance  = int((duration / 2) * 0.0343);
119  //Calculate level
120  int levelact = (LEVELEMPTY  - distance);
121  //Calculate level in Percent
122  levelpercent = (levelact * 100  / LEVELFULL);
123  
124  //Button configuration to switch on the Oled display
125  tasterstatus = digitalRead(taster);
126
127  M1 = map(raw_moisture1, 205, 471,  100, 0);
128  M2 = map(raw_moisture2, 215, 480, 100, 0);
129  M3 = map(raw_moisture3,  220, 505, 100, 0);
130  M4 = map(raw_moisture4, 200, 456, 100, 0);
131  HUM = dht11.readHumidity();
132  TMP = dht11.readCelsius();
133  
134  if (tasterstatus == HIGH)//Button is activated  - Oled outputs sensor values
135  { 
136  SeeedOled.setTextXY(0,11); //Set the cursor  to Xth Page, Yth Column
137  SeeedOled.putString("Box1"); //Print the string
138  SeeedOled.setTextXY(1,0); //Set the cursor to Xth Page, Yth Column
139  SeeedOled.putString("TMP  "); //Print the string
140  SeeedOled.putFloat(TMP); //Print the value
141  SeeedOled.putString("  C"); //Print the string
142  SeeedOled.setTextXY(2,0); //Set the cursor to Xth  Page, Yth Column
143  SeeedOled.putString("RLH "); //Print the string
144  SeeedOled.putFloat(HUM);  //Print the value
145  SeeedOled.putString(" % "); //Print the string
146  SeeedOled.setTextXY(4,0);  //Set the cursor to Xth Page, Yth Column
147  SeeedOled.putString("M_1 "); //Print  the string
148  SeeedOled.putFloat(M1); //Print the value
149  SeeedOled.putString("  % "); //Print the string  
150  SeeedOled.setTextXY(5,0); //Set the cursor to Xth  Page, Yth Column
151  SeeedOled.putString("M_2 "); //Print the string
152  SeeedOled.putFloat(M2);  //Print the value
153  SeeedOled.putString(" % "); //Print the string  
154  SeeedOled.setTextXY(6,0);  //Set the cursor to Xth Page, Yth Column
155  SeeedOled.putString("M_3 "); //Print  the string
156  SeeedOled.putFloat(M3); //Print the value
157  SeeedOled.putString("  % "); //Print the string
158  SeeedOled.setTextXY(7,0); //Set the cursor to Xth  Page, Yth Column  
159  SeeedOled.putString("M_4 "); //Print the string
160  SeeedOled.putFloat(M4);  //Print the value
161  SeeedOled.putString(" % "); //Print the string
162  
163  delay(30000); //Oled stays activated for 30 seconds
164  
165  SeeedOled.clearDisplay();  //Oled at rest
166 
167  } 
168  else
169  {
170  SeeedOled.clearDisplay();//Oled  at rest
171  } 
172
173}
174/*
175  Since Pumpe is READ_WRITE variable, onPumpeChange()  is
176  executed every time a new value is received from IoT Cloud.
177*/
178void  onPumpeChange()  {
179  //Turn pump on or off
180  if(pumpe){
181    digitalWrite(2,  HIGH);
182  }
183  else{
184    digitalWrite(2, LOW);
185    }
186  }
187

#include "thingProperties.h"
#include <EduIntro.h>
#include <NewPing.h>
#include  <Wire.h>
#include <SeeedOLED.h>

#define LEVELFULL 32
#define LEVELEMPTY  32
#define VOLUME 25

#define trigPin  6
#define echoPin  7
#define  MAX_DISTANCE 100

float duration;
NewPing sonar(trigPin, echoPin, MAX_DISTANCE);

int  moist1Pin = A1;
int moist2Pin = A2;
int moist3Pin = A3;
int moist4Pin =  A4;

int taster = 4;
int tasterstatus = 0;

float M1;
float M2;
float  M3;
float M4;
float HUM;
float TMP;

DHT11 dht11(D1);
 
void  setup() {
// Initialize serial and wait for port to open:
Serial.begin(9600);
//  This delay gives the chance to wait for a Serial Monitor without blocking if none  is found
delay(1500); 
  
//Start I2C Communication for OLED Display
Wire.begin();
SeeedOled.init();  //initialze SEEED OLED display
SeeedOled.clearDisplay(); //clear the screen and  set start position to top left corner
SeeedOled.setNormalDisplay(); //Set display  to normal mode
SeeedOled.setPageMode(); //Set addressing mode to Page Mode

//Set  digital pin D2 as an output
pinMode(2, OUTPUT);
  
//Set digital pin D4  as an input
pinMode(taster, INPUT);
  
// Defined in thingProperties.h
initProperties();
  
// Connect to Arduino IoT Cloud
ArduinoCloud.begin(ArduinoIoTPreferredConnection);
//Get  Cloud Info/errors , 0 (only errors) up to 4
setDebugMessageLevel(2);
ArduinoCloud.printDebugInfo();

//Wait  to get cloud connection
while (ArduinoCloud.connected() != 1) {
  ArduinoCloud.update();
  delay(500);
  }
}
 
void loop() {
  //Update the Cloud
  ArduinoCloud.update();
  
 
  //read raw moisture1 value
  float raw_moisture1 = analogRead(moist1Pin);
  
 
  //map raw moisture1 to a scale of 0 - 100
  moisture1 = map(raw_moisture1,  205, 471, 100, 0);
  
  
   //read raw moisture2 value
  float raw_moisture2  = analogRead(moist2Pin);
  
 
  //map raw moisture2 to a scale of 0 - 100
  moisture2 = map(raw_moisture2, 215, 480, 100, 0);


  //read raw moisture3  value
  float raw_moisture3 = analogRead(moist3Pin);
  
 
  //map raw  moisture3 to a scale of 0 - 100
  moisture3 = map(raw_moisture3, 220, 505, 100,  0);


  //read raw moisture4 value
  float raw_moisture4 = analogRead(moist4Pin);
  
  //map raw moisture4 to a scale of 0 - 100
  moisture4 = map(raw_moisture4,  200, 456, 100, 0);
  
  //read temperature and humidity
  dht11.update();
  temperature = dht11.readCelsius();
  humidity = dht11.readHumidity();
  
  // Level monitoring with ultrasonic sensor
  // Waiting time between pings  (about 20 pings/sec). not less than 29ms!
  delay(50);
  //Measurement with  averaging
  int iterations = 5;
  //duration = sonar.ping() without averaging
  duration = sonar.ping_median(iterations);
  //Distance in cm
  int distance  = int((duration / 2) * 0.0343);
  //Calculate level
  int levelact = (LEVELEMPTY  - distance);
  //Calculate level in Percent
  levelpercent = (levelact * 100  / LEVELFULL);
  
  //Button configuration to switch on the Oled display
  tasterstatus = digitalRead(taster);

  M1 = map(raw_moisture1, 205, 471,  100, 0);
  M2 = map(raw_moisture2, 215, 480, 100, 0);
  M3 = map(raw_moisture3,  220, 505, 100, 0);
  M4 = map(raw_moisture4, 200, 456, 100, 0);
  HUM = dht11.readHumidity();
  TMP = dht11.readCelsius();
  
  if (tasterstatus == HIGH)//Button is activated  - Oled outputs sensor values
  { 
  SeeedOled.setTextXY(0,11); //Set the cursor  to Xth Page, Yth Column
  SeeedOled.putString("Box1"); //Print the string
  SeeedOled.setTextXY(1,0); //Set the cursor to Xth Page, Yth Column
  SeeedOled.putString("TMP  "); //Print the string
  SeeedOled.putFloat(TMP); //Print the value
  SeeedOled.putString("  C"); //Print the string
  SeeedOled.setTextXY(2,0); //Set the cursor to Xth  Page, Yth Column
  SeeedOled.putString("RLH "); //Print the string
  SeeedOled.putFloat(HUM);  //Print the value
  SeeedOled.putString(" % "); //Print the string
  SeeedOled.setTextXY(4,0);  //Set the cursor to Xth Page, Yth Column
  SeeedOled.putString("M_1 "); //Print  the string
  SeeedOled.putFloat(M1); //Print the value
  SeeedOled.putString("  % "); //Print the string  
  SeeedOled.setTextXY(5,0); //Set the cursor to Xth  Page, Yth Column
  SeeedOled.putString("M_2 "); //Print the string
  SeeedOled.putFloat(M2);  //Print the value
  SeeedOled.putString(" % "); //Print the string  
  SeeedOled.setTextXY(6,0);  //Set the cursor to Xth Page, Yth Column
  SeeedOled.putString("M_3 "); //Print  the string
  SeeedOled.putFloat(M3); //Print the value
  SeeedOled.putString("  % "); //Print the string
  SeeedOled.setTextXY(7,0); //Set the cursor to Xth  Page, Yth Column  
  SeeedOled.putString("M_4 "); //Print the string
  SeeedOled.putFloat(M4);  //Print the value
  SeeedOled.putString(" % "); //Print the string
  
  delay(30000); //Oled stays activated for 30 seconds
  
  SeeedOled.clearDisplay();  //Oled at rest
 
  } 
  else
  {
  SeeedOled.clearDisplay();//Oled  at rest
  } 

}
/*
  Since Pumpe is READ_WRITE variable, onPumpeChange()  is
  executed every time a new value is received from IoT Cloud.
*/
void  onPumpeChange()  {
  //Turn pump on or off
  if(pumpe){
    digitalWrite(2,  HIGH);
  }
  else{
    digitalWrite(2, LOW);
    }
  }

Downloadable files

GrowboxControler (shematic)

Structure and connection of the components

GrowboxControler (shematic)

IoT Dashboard

Set up charts and displays in the cloud

IoT Dashboard

Set up charts and displays in the cloud

IoT Dashboard

GrowboxControler (shematic)

Structure and connection of the components

GrowboxControler (shematic)

Variables

Define variables for the IoT dashboard

Variables

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IoT Growbox Controler

Send the sensor values ​​to the Arduino IoT cloud and conveniently control the irrigation remotely

Send the sensor values to the Arduino IoT cloud and conveniently control the irrigation remotely