Smart Plug

An outlet that can control your devices that need to be plugged in.

Jun 26, 2018

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28752 views

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9 respects

energy efficiency

smart appliances

clocks

Components and supplies

The wall cord

Jumper wires (generic)

Breadboard (generic)

USB-A to B Cable

Relay Module (Generic)

Arduino UNO

The led light bulb

DS3231M - ±5ppm, I2C Real-Time Clock

Apps and platforms

Arduino IDE

Project description

Code

The code

arduino

this is the code you need to run this complicated piece of smart tech.

1#include <DS3231.h>
2
3int Relay = 4;
4
5DS3231  rtc(SDA, SCL);
6Time  t;
7
8const int OnHour = 07;
9const int OnMin = 15;
10const int OffHour =  07;
11const int OffMin = 20;
12
13void setup() {
14  Serial.begin(115200);
15  rtc.begin();
16  pinMode(Relay, OUTPUT);
17  digitalWrite(Relay, LOW);
18  //rtc.setTime(21,10,00);//set  your time and date by uncomenting these lines
19  //rtc.setDate(26,6,2018);
20}
21
22void  loop() {
23  t = rtc.getTime();
24  Serial.print(t.hour);
25  Serial.print("  hour(s), ");
26  Serial.print(t.min);
27  Serial.print(" minute(s)");
28  Serial.println("  ");
29  delay (1000);
30  
31  if(t.hour == OnHour && t.min == OnMin){
32    digitalWrite(Relay,HIGH);
33    Serial.println("LIGHT ON");
34    }
35    
36    else if(t.hour == OffHour  && t.min == OffMin){
37      digitalWrite(Relay,LOW);
38      Serial.println("LIGHT  OFF");
39    }
40}

#include <DS3231.h>

int Relay = 4;

DS3231  rtc(SDA, SCL);
Time  t;

const int OnHour = 07;
const int OnMin = 15;
const int OffHour =  07;
const int OffMin = 20;

void setup() {
  Serial.begin(115200);
  rtc.begin();
  pinMode(Relay, OUTPUT);
  digitalWrite(Relay, LOW);
  //rtc.setTime(21,10,00);//set  your time and date by uncomenting these lines
  //rtc.setDate(26,6,2018);
}

void  loop() {
  t = rtc.getTime();
  Serial.print(t.hour);
  Serial.print("  hour(s), ");
  Serial.print(t.min);
  Serial.print(" minute(s)");
  Serial.println("  ");
  delay (1000);
  
  if(t.hour == OnHour && t.min == OnMin){
    digitalWrite(Relay,HIGH);
    Serial.println("LIGHT ON");
    }
    
    else if(t.hour == OffHour  && t.min == OffMin){
      digitalWrite(Relay,LOW);
      Serial.println("LIGHT  OFF");
    }
}

Downloadable files

The schematic

Documentation

The junction box

This is the box that you will house your outlet and electrical for the socket and the relay.

The junction box

This is the box that you will house your outlet and electrical for the socket and the relay.

The junction box

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tylerpeppy

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