Medicine Reminder With Arduino

Prateek 21/01/2023

0 13,041 3 minutes read

Table of Contents

Introduction

In this project, we are going to make RTC with Arduino Based Medicine Reminder System for Patients.

Because Many Times Patients forget to take their medicine on the time. and if you do not medicate in a time then is not good. And Sometimes patient also forgets which medicine has to take at the required Time. And is very Difficult for Doctors/fathers/Mothers to monitor patients around the Time. To avoid this problem we have made this Arduino-Based Medicine Reminder System For Patients.

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Bill Of Material

Here Is the All Component List…

S.N	Component	Quantity	Link To Buy
1	Arduino Nano	1
2	16x2 LCD Display	1
3	DS3231 RTC Module	1
4	Buzzer	1
5	Push Button	3
6	10K Resister	3
7	10K POT	1
8	Zero PCB	1

In this Image, we Will show all hardware components photos like Arduino nano, DS3231 RTC Module, LCD Display or all small components.

Arduino Nano

In This System, we have used the Arduino nano for controlling the whole system.

16×2 LCD Display

the time and date will always show on the LCD display And the LCD Will be connected to the Arduino pin D3, D4, D5, D6, and D7.

RTC DS3231 Module

In this system DS3231 real-time clock chip is used for running the time accurately and to prevent time failure by using a 3v li-on battery connected to the backside. And They connected to the Arduino Pin A5 And A4.

Push Button

Set Alarm Time For medication we have used the Push Button and we set our own alarm time.

LED

After The alarm will complete the Led Will Glow And Indicate the box which medicine we take at that Time.

Buzzer

The buzzer is turned on when the alarm will be completed

10K POT

this one is a 10k Pot and is used to very the Brightness of the LCD Display

Zero PCB

When I make Hardware first we put all components in a zero PCB And then Soldering it in the back Side.

How did it work?

Working on the Project is very simple. when we start this system real-time clock runs the time on the LCD display. and if we want to set the alarm time for medication we have to press the set_button. After pressing this button LCD shows Set Time 1. and then we can select the time we want to set for medication by using the INC Button and the next Button previous process set the time again. After the Second and Third Time Set the LCD display the proper time And Date.

When Any Alarm occurs LCD Indicates Group Medicine 1, Group Medicine 2, Group Medicine 3. The modification Alarm time is also fed in Arduino internal EEPROM to save lost data after a failure.

Circuit Diagram

In this circuit diagram, the main part is the Arduino nano microcontroller in this circuit diagram we used DS3231 RTC Module and they well connected to the Arduino Pin Numbers

VCC To 5V
GND To GND
SCL To A5
SDA To A4

When you start the system real-time clock runs in the LCD Display And LCD Will Connected to the Pin Number

D3,D4,D5,D6,D7,D8

The Time we want to set for medication by Using INC And NEXT buttons Previous Button And They Will Connected To The Pin Numbers A0, A1, A2

Led And Buzzer Will Connected To Red Led connected to the Pin Number D10, the Yellow Led connected to the Pin Number D11, and Green Led Will connected to The Pin Number D12.also Buzzer Will be connected to the Pin Number A6.

Now We Convert The Circuit Diagram Into the Proper PCB with the Help Of EasyEDA Software.

Now When We convert in the 3d View is relay locking good you just put the components is these Slots.

Now you also see the Back Side View of the PCB…

Source Code

The Source Code Of the Arduino Based Medicine Reminder Project and they Written on The Arduino IDE Software.

First We Add a Few libraries and then Upload The Code In the Arduino Nano microcontroller.

RTClib
LiquidCrystal

#include <Wire.h>
#include <EEPROM.h>
#include <RTClib.h>
#include <LiquidCrystal.h>

LiquidCrystal lcd(3,4,5,6,7,8);
RTC_DS1307 RTC;
int temp, inc, hours1, minut, add = 11;
int next = A0;
int INC = A1;
int set_mad = A2;

#define buzzer A6

int HOUR, MINUT, SECOND;

void setup() {
  Wire.begin();
  RTC.begin();
  lcd.begin(16, 2);
  pinMode(INC, INPUT);
  pinMode(next, INPUT);
  pinMode(set_mad, INPUT);
  pinMode(buzzer, OUTPUT);

  lcd.setCursor(0, 0);
  lcd.print("Medicin reminder");
  lcd.setCursor(0, 1);
  lcd.print(" Using Arduino  ");
  delay(2000);
  if (!RTC.isrunning()) {
    RTC.adjust(DateTime(__DATE__, __TIME__));
  }
}

void loop() {
  int temp = 0, val = 1, temp4;
  DateTime now = RTC.now();
  if (digitalRead(set_mad) == 0)  
  {
    lcd.setCursor(0, 0);
    lcd.print("  Set Medicine  ");
    lcd.setCursor(0, 1);
    lcd.print("  Reminder time ");
    delay(2000);
    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print("Enter Time 1");
    defualt();
    time(1);
    delay(1000);
    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print("Enter Time 2");
    defualt();
    delay(1000);
    time(2);
    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print("Enter Time 3");
    defualt();
    time(3);
    lcd.setCursor(0, 0);
    lcd.print("Medicin reminder");
    lcd.setCursor(0, 1);
    lcd.print("  time has set  ");
    delay(2000);
  }
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Time:");
  lcd.setCursor(6, 0);
  lcd.print(HOUR = now.hour(), DEC);
  lcd.print(":");
  lcd.print(MINUT = now.minute(), DEC);
  lcd.print(":");
  lcd.print(SECOND = now.second(), DEC);
  lcd.setCursor(0, 1);
  lcd.print("Date: ");
  lcd.print(now.day(), DEC);
  lcd.print("/");
  lcd.print(now.month(), DEC);
  lcd.print("/");
  lcd.print(now.year(), DEC);
  match();
  delay(200);
}

void defualt() {
  lcd.setCursor(0, 1);
  lcd.print(HOUR);
  lcd.print(":");
  lcd.print(MINUT);
  lcd.print(":");
  lcd.print(SECOND);
}
void time(int x) {
  int temp = 1, minuts = 0, hours = 0, seconds = 0;
  while (temp == 1) {
    if (digitalRead(INC) == 0) {
      HOUR++;
      if (HOUR == 24) {
        HOUR = 0;
      }
      while (digitalRead(INC) == 0)
        ;
    }
    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print("Enter Time ");
    lcd.print(x);
    lcd.setCursor(0, 1);
    lcd.print(HOUR);
    lcd.print(":");
    lcd.print(MINUT);
    lcd.print(":");
    lcd.print(SECOND);
    delay(100);
    if (digitalRead(next) == 0) {
      hours1 = HOUR;
      EEPROM.write(add++, hours1);
      temp = 2;
      while (digitalRead(next) == 0)
        ;
    }
  }
  while (temp == 2) {
    if (digitalRead(INC) == 0) {
      MINUT++;
      if (MINUT == 60) { MINUT = 0; }
      while (digitalRead(INC) == 0)
        ;
    }
    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print("Enter Time ");
    lcd.print(x);
    lcd.setCursor(0, 1);
    lcd.print(HOUR);
    lcd.print(":");
    lcd.print(MINUT);
    lcd.print(":");
    lcd.print(SECOND);
    delay(100);
    if (digitalRead(next) == 0) {
      minut = MINUT;
      EEPROM.write(add++, minut);
      temp = 0;
      while (digitalRead(next) == 0)
        ;
    }
  }
  delay(1000);
}
void match() {
  int tem[17];
  for (int i = 11; i < 17; i++) {
    tem[i] = EEPROM.read(i);
  }
  if (HOUR == tem[11] && MINUT == tem[12]) {
    beep();
    beep();
    beep();
    beep();
    lcd.setCursor(0, 0);
    lcd.print("  Take Group One  ");
    lcd.setCursor(0, 1);
    lcd.print("     Medicine     ");
    beep();
    beep();
    beep();
    beep();
  }

  if (HOUR == tem[13] && MINUT == tem[14]) {
    beep();
    beep();
    beep();
    beep();
    lcd.setCursor(0, 0);
    lcd.print("  Take Group Two  ");
    lcd.setCursor(0, 1);
    lcd.print("     Medicine     ");
    beep();
    beep();
    beep();
    beep();
  }


  if (HOUR == tem[15] && MINUT == tem[16]) {
    beep();
    beep();
    beep();
    beep();
    lcd.setCursor(0, 0);
    lcd.print("Take Group Three ");
    lcd.setCursor(0, 1);
    lcd.print("     Medicine    ");
    beep();
    beep();
    beep();
    beep();
  }
}

void beep() {
  digitalWrite(buzzer, HIGH);
  delay(500);
  digitalWrite(buzzer, LOW);
  delay(500);
}

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#include <Wire.h>

#include <EEPROM.h>

#include <RTClib.h>

#include <LiquidCrystal.h>

LiquidCrystal lcd(3,4,5,6,7,8);

RTC_DS1307 RTC;

int temp, inc, hours1, minut, add = 11;

int next = A0;

int INC = A1;

int set_mad = A2;

#define buzzer A6

int HOUR, MINUT, SECOND;

void setup() {

Wire.begin();

RTC.begin();

lcd.begin(16, 2);

pinMode(INC, INPUT);

pinMode(next, INPUT);

pinMode(set_mad, INPUT);

pinMode(buzzer, OUTPUT);

lcd.setCursor(0, 0);

lcd.print("Medicin reminder");

lcd.setCursor(0, 1);

lcd.print(" Using Arduino ");

delay(2000);

if (!RTC.isrunning()) {

RTC.adjust(DateTime(__DATE__, __TIME__));

}

void loop() {

int temp = 0, val = 1, temp4;

DateTime now = RTC.now();

if (digitalRead(set_mad) == 0)

{

lcd.setCursor(0, 0);

lcd.print(" Set Medicine ");

lcd.setCursor(0, 1);

lcd.print(" Reminder time ");

delay(2000);

lcd.clear();

lcd.setCursor(0, 0);

lcd.print("Enter Time 1");

defualt();

time(1);

delay(1000);

lcd.clear();

lcd.setCursor(0, 0);

lcd.print("Enter Time 2");

defualt();

delay(1000);

time(2);

lcd.clear();

lcd.setCursor(0, 0);

lcd.print("Enter Time 3");

defualt();

time(3);

lcd.setCursor(0, 0);

lcd.print("Medicin reminder");

lcd.setCursor(0, 1);

lcd.print(" time has set ");

delay(2000);

}

lcd.clear();

lcd.setCursor(0, 0);

lcd.print("Time:");

lcd.setCursor(6, 0);

lcd.print(HOUR = now.hour(), DEC);

lcd.print(":");

lcd.print(MINUT = now.minute(), DEC);

lcd.print(":");

lcd.print(SECOND = now.second(), DEC);

lcd.setCursor(0, 1);

lcd.print("Date: ");

lcd.print(now.day(), DEC);

lcd.print("/");

lcd.print(now.month(), DEC);

lcd.print("/");

lcd.print(now.year(), DEC);

match();

delay(200);

}

void defualt() {

lcd.setCursor(0, 1);

lcd.print(HOUR);

lcd.print(":");

lcd.print(MINUT);

lcd.print(":");

lcd.print(SECOND);

}

void time(int x) {

int temp = 1, minuts = 0, hours = 0, seconds = 0;

while (temp == 1) {

if (digitalRead(INC) == 0) {

HOUR++;

if (HOUR == 24) {

HOUR = 0;

}

while (digitalRead(INC) == 0)

;

}

lcd.clear();

lcd.setCursor(0, 0);

lcd.print("Enter Time ");

lcd.print(x);

lcd.setCursor(0, 1);

lcd.print(HOUR);

lcd.print(":");

lcd.print(MINUT);

lcd.print(":");

lcd.print(SECOND);

delay(100);

if (digitalRead(next) == 0) {

hours1 = HOUR;

EEPROM.write(add++, hours1);

temp = 2;

while (digitalRead(next) == 0)

;

}

while (temp == 2) {

if (digitalRead(INC) == 0) {

MINUT++;

if (MINUT == 60) { MINUT = 0; }

while (digitalRead(INC) == 0)

;

}

lcd.clear();

lcd.setCursor(0, 0);

lcd.print("Enter Time ");

lcd.print(x);

lcd.setCursor(0, 1);

lcd.print(HOUR);

lcd.print(":");

lcd.print(MINUT);

lcd.print(":");

lcd.print(SECOND);

delay(100);

if (digitalRead(next) == 0) {

minut = MINUT;

EEPROM.write(add++, minut);

temp = 0;

while (digitalRead(next) == 0)

;

}

delay(1000);

}

void match() {

int tem[17];

for (int i = 11; i < 17; i++) {

tem[i] = EEPROM.read(i);

}

if (HOUR == tem[11] && MINUT == tem[12]) {

beep();

lcd.setCursor(0, 0);

lcd.print(" Take Group One ");

lcd.setCursor(0, 1);

lcd.print(" Medicine ");

beep();

}

if (HOUR == tem[13] && MINUT == tem[14]) {

beep();

lcd.setCursor(0, 0);

lcd.print(" Take Group Two ");

lcd.setCursor(0, 1);

lcd.print(" Medicine ");

beep();

}

if (HOUR == tem[15] && MINUT == tem[16]) {

beep();

lcd.setCursor(0, 0);

lcd.print("Take Group Three ");

lcd.setCursor(0, 1);

lcd.print(" Medicine ");

beep();

}

void beep() {

digitalWrite(buzzer, HIGH);

delay(500);

digitalWrite(buzzer, LOW);

delay(500);

}

Project Demo

Now all the things are done you just check out the result in a few snapshots. just connected to the Arduino USB cable to the computer and when power is on the LCD will display the Welcome message.

LCD Will Display always real-time and date

With the help of the push button, we set the Medicine group Reminder…

Video Tutorial

Coming Soon

Introduction

Bill Of Material

Arduino Nano

16×2 LCD Display

RTC DS3231 Module

Push Button

LED

Buzzer

10K POT

Zero PCB

How did it work?

Circuit Diagram

Source Code

Project Demo

Video Tutorial

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