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11
12	- Project: "Moisture Control"
13	- Source Code NOT compiled for: ESP32 DevKit V1
14	- Source Code created on: 2025-02-20 13:24:03
15
16********* Pleasedontcode.com **********/
17
18/****** SYSTEM REQUIREMENTS *****/
19/****** SYSTEM REQUIREMENT 1 *****/
20	/* Odczytuje wilgotność gleby co 2 sekundy. */
21	/* Sprawdza, czy w zbiorniku jest woda.  Jeśli ziemia */
22	/* jest zbyt sucha – włącza pompę.   Wyświetla dane */
23	/* na LCD i OLED.   Umożliwia zmianę progu */
24	/* wilgotności przez WiFi. */
25/****** END SYSTEM REQUIREMENTS *****/
26
27/* START CODE */
28
29/****** DEFINITION OF LIBRARIES *****/
30#include <Wire.h>
31#include <LCDIC2.h>	//https://github.com/offcircuit/LCDIC2
32#include <DHT.h>	//https://github.com/adafruit/DHT-sensor-library
33#include <LiquidCrystal_I2C.h> // Added for LCD functionality
34#include <WiFi.h> // Include WiFi library for WiFi functionality
35
36/****** FUNCTION PROTOTYPES *****/
37void setup(void);
38void loop(void);
39void checkMoisture(void); // Function to check moisture and control pump
40void setupWiFi(void); // Function to setup WiFi
41
42/***** DEFINITION OF DIGITAL INPUT PINS *****/
43const uint8_t myDHT22_DHT22_DOUT_PIN_D4		= 4;
44
45/***** DEFINITION OF I2C PINS *****/
46const uint8_t LCD_LCD1602I2C_I2C_PIN_SDA_D21		= 21;
47const uint8_t LCD_LCD1602I2C_I2C_PIN_SCL_D22		= 22;
48const uint8_t LCD_LCD1602I2C_I2C_SLAVE_ADDRESS		= 39;
49
50/***** DEFINITION OF ADDITIONAL PINS *****/
51const int potPin = 34; // Pin for moisture sensor
52const int pumpPin = 26; // Pin for pump control
53int threshold = 50; // Default moisture threshold
54
55/****** DEFINITION OF LIBRARIES CLASS INSTANCES*****/
56LiquidCrystal_I2C lcd(0x27, 16, 2); // Initialize LCD with I2C address 0x27
57
58// WiFi credentials
59const char* ssid = "your_SSID"; // Replace with your WiFi SSID
60const char* password = "your_PASSWORD"; // Replace with your WiFi password
61
62void setup(void)
63{
64	// put your setup code here, to run once:
65	pinMode(myDHT22_DHT22_DOUT_PIN_D4, INPUT_PULLUP);
66	pinMode(pumpPin, OUTPUT); // Set pump pin as output
67	digitalWrite(pumpPin, LOW); // Ensure pump is off initially
68
69	// initialize LCD
70	lcd.init();
71	// turn on LCD backlight
72	lcd.backlight();
73	delay(1000);
74	Serial.begin(115200); // Initialize serial communication
75
76	setupWiFi(); // Setup WiFi connection
77}
78
79int calculateMoisture(int inputValue) {
80	int value = (-100 * inputValue) / 3295 + 409500 / 3295;
81	if (value < 0) {
82		return 0;
83	} else if (value > 100) {
84		return 100;
85	}
86	return value;
87}
88
89void checkMoisture() {
90	int potValue = analogRead(potPin); // Read moisture sensor value
91	int moisturePrecent = calculateMoisture(potValue); // Calculate moisture percentage
92
93	if (moisturePrecent < threshold) {
94		digitalWrite(pumpPin, HIGH); // Turn on pump if moisture is below threshold
95	} else {
96		digitalWrite(pumpPin, LOW); // Turn off pump if moisture is above threshold
97	}
98
99	Serial.print(potValue);
100	Serial.print(" - ");
101	Serial.print(moisturePrecent);
102	Serial.println();
103
104	lcd.clear();
105	// set cursor to first column, first row
106	lcd.setCursor(0, 0);
107	// print message
108	lcd.print("Wilgotnosc: ");
109	lcd.print(moisturePrecent);
110	lcd.print("%");
111
112	// set cursor to first column, second row
113	lcd.setCursor(0, 1);
114	lcd.print("Pompa: ");
115	lcd.print(digitalRead(pumpPin) ? "ON " : "OFF"); // Check pump state
116}
117
118void setupWiFi() {
119	WiFi.begin(ssid, password); // Connect to WiFi
120	while (WiFi.status() != WL_CONNECTED) {
121		delay(1000);
122		Serial.println("Connecting to WiFi...");
123	}
124	Serial.println("Connected to WiFi");
125}
126
127void loop(void)
128{
129	// put your main code here, to run repeatedly:
130	checkMoisture(); // Check moisture and control pump
131	delay(2000); // Wait for 2 seconds before the next reading
132}
133
134/* END CODE */