Automatic Aquarium Management System (AAMS)

1#include <SPI.h>
2#include <Wire.h>
3#include <Adafruit_GFX.h>
4#include  <Adafruit_SSD1306.h>
5#include <OneWire.h>
6#include <DallasTemperature.h>
7#include  <Servo.h>
8#include "RTClib.h"
9
10#define pButton 2
11#define pPowerStrip  8
12#define pTemp 10
13#define pStanServo 11
14#define pLED 12
15
16#define  stanServoPos 0
17#define stanServoPos2 180
18
19#define daysToNext25Change 14
20
21Servo  stanServo;
22
23//remove reset pin (my OLED has none)
24Adafruit_SSD1306 display(-1);
25
26//  Setup a oneWire instance to communicate with any OneWire devices
27OneWire oneWire(pTemp);
28
29//  Pass our oneWire reference to Dallas Temperature sensor
30DallasTemperature sensors(&oneWire);
31
32RTC_DS3231  rtc;
33
34char daysOfTheWeek[7][12] = {"Sunday", "Monday", "Tuesday", "Wednesday",  "Thursday", "Friday", "Saturday"};
35
36int buttonPresses;
37int futureDay,  futureMonth, futureYear;
38int changePercent;
39
40void setup() {
41
42  Serial.begin(9600);
43
44  stanServo.attach(pStanServo, 500, 2500);
45
46  //start up library for temp  sensor
47  sensors.begin();
48
49  //set pin modes
50  pinMode(pButton, INPUT);
51  pinMode(pPowerStrip, OUTPUT);
52  pinMode(pTemp, INPUT);
53  pinMode(pStanServo,  OUTPUT);
54  pinMode(pLED, OUTPUT);
55  
56  // initialize with the I2C addr  0x3C
57  display.begin(SSD1306_SWITCHCAPVCC, 0x3C);  
58
59  // Clear the buffer.
60  display.clearDisplay();
61
62  delay(3000); // wait for console opening [for  RTC module]
63
64  if (! rtc.begin()) {
65    Serial.println("Couldn't find  RTC");
66    while (1);
67  }
68  
69    // Comment out below lines once you  set the date & time.
70    // Following line sets the RTC to the date & time this  sketch was compiled
71    rtc.adjust(DateTime(2022, 10, 9, 7, 23, 10));
72  
73    // Following line sets the RTC with an explicit date & time
74    // for example  to set January 27 2017 at 12:56 you would call:
75    // rtc.adjust(DateTime(2017,  1, 27, 12, 56, 0));
76
77}
78
79void loop() {
80
81  if (sensors.getTempFByIndex(0)  < 76) { //code to control heater activation
82
83    digitalWrite(pPowerStrip,  HIGH);
84    
85  }
86
87  DateTime now = rtc.now();
88  
89  display.setTextColor(WHITE);
90  display.clearDisplay();
91
92  //Display current date MM/DD/YYYY
93  display.setTextSize(1);
94  display.setCursor(0,0);
95  display.print(daysOfTheWeek[now.dayOfTheWeek()]);
96  char currentDate [16];
97  uint8_t thisDay, thisMonth ;
98  thisDay = now.day();
99  thisMonth = now.month();
100  sprintf (currentDate, "%02d/%02d/", thisMonth,  thisDay); //add leading zeros to the day and month
101  display.setTextSize(1);
102  display.setCursor(62,0);
103  display.print(currentDate);
104  display.setTextSize(1);
105  display.setCursor(102,0);
106  display.print(now.year(), DEC);
107  
108  //Display  current time 
109  char buffer [16];
110  uint8_t thisSec, thisMin, thisHour;
111  thisSec = now.second();
112  thisMin = now.minute();
113  thisHour = now.hour();
114  sprintf (buffer, "%02d:%02d:%02d", thisHour, thisMin, thisSec);
115  display.setTextSize(2);
116  display.setCursor(15,12);
117  display.print(buffer);
118
119  //display temperatures
120  sensors.requestTemperatures(); // Call sensors.requestTemperatures() to issue  a global temperature and Requests to all devices on the bus
121  display.setCursor(7,30);
122  display.setTextSize(1);
123  display.print("Water Temp: ");
124  display.print(sensors.getTempFByIndex(0));
125  display.print((char)247);
126  display.print("F");
127
128  if (digitalRead(pButton)  == HIGH) {
129
130    DateTime future(now + TimeSpan(14,0,0,0));
131
132    futureDay  = future.day();
133    futureMonth = future.month();
134    futureYear = future.year();
135
136    buttonPresses++;
137    digitalWrite(pLED, LOW);
138    
139  }
140
141  if  (buttonPresses % 52 == 0 && buttonPresses != 0) {
142
143    changePercent = 100;
144    
145  }
146
147  else if (buttonPresses % 2 == 0 && buttonPresses != 0) {
148
149    changePercent = 50;
150    
151  }
152
153  else if (buttonPresses != 0) {
154
155    changePercent = 25;
156    
157  }
158
159  //display next water change
160  display.setCursor(22, 40);
161  display.print(changePercent);
162  display.print("%  change on:");
163  char futureDate [16];
164  sprintf (futureDate, "%02d/%02d/",  futureMonth, futureDay); //add leading zeroes to date
165  display.setCursor(35,  50);
166  display.print(futureDate);
167  display.print(futureYear);
168
169  if  (now.year() == futureYear && thisMonth == futureMonth && thisDay == futureDay) {
170
171    digitalWrite(pLED, HIGH); //activate LED
172    
173  }
174
175  if (sensors.getTempFByIndex(0)  > 78) { //code to control heater activation
176
177    digitalWrite(pPowerStrip,  LOW);
178    
179  }
180
181  if (thisHour == 12 && thisMin == 0 && thisSec < 5)  { //code for auto fish feeder
182
183    stanServo.write(stanServoPos);
184    
185  }
186
187  else {
188
189    stanServo.write(stanServoPos2);
190    
191  }
192
193  display.display();
194
195}