Implementation smart home using internet of things

TELKOMNIKA, Vol.17, No.6, December 2019, pp.3126~3136
ISSN: 1693-6930, accredited First Grade by Kemenristekdikti, Decree No: 21/E/KPT/2018
DOI: 10.12928/TELKOMNIKA.v17i6.11722 ◼ 3126
Received November 9, 2018; Revised May 30, 2019; Accepted July 2, 2019
Implementation smart home using
internet of things
Afrizal Mayub1
, Fahmizal*2
, Ma’ruf Shidiq3
,
Unan Yusmaniar Oktiawati4
, Nur Rohman Rosyid5
1
Graduate School of Science Education, University of Bengkulu
2,3,4,5
Department of Electrical Engineering and Informatics, Vocational College, Universitas Gadjah Mada
*
Corresponding author, e-mail: fahmizal@ugm.ac.id
Abstract
Development in technology of information today provides various facilities to support human
activity. One technology that facilitates human is the use of automated systems, the application of smart
home system makes it easier for users to control household electronic devices. This study addresses one
of the smart home solutions with automation systems. The system is built using ESP8266 and Raspberry Pi
devices, by utilizing MQTT, REST and Laravel framework protocols. With Arduino, Python and PHP
programming, household devices can be controlled both automatically and manually. Control system can be
done by using web, chatbot, and physically. The communication used utilizes wireless network. With
the designed system, the users can control the device, gain information and get warning. The information
provided by the system is obtained from open data on the internet and from the sensor installed on
the device.
Keywords: Internet of Things, MQTT, REST, smart home
Copyright © 2019 Universitas Ahmad Dahlan. All rights reserved.
1. Introduction
Modern life today demands higher mobility, everything is designed to make human life
becomes easier. Technology does not escape into one of the major problems that developed
during this period. It can be seen from the development of internet network that has boomed in
the past decade, from the data resulted from Cisco prediction, it was found that in the period of
2012 to 2017 the use of internet usage has grown by 13 times higher compared to the previous
years of use [1-4].
Internet today is not only used to access emails and articles, but also can be used as a
means of remote electronic controller both at work and at home, which is commonly known as
smart home. Remote control system allows one to control household electronic devices anywhere
and anytime by using any computer or mobile phone contained a web browser application that
can open a web which is used to control electronic devices in home such as lights, fan, air
conditioner (AC) and garage [5-7].
Internet of Things (IoT) is a paradigm of the latest communications which is envisioned
as a future, this technology adds everyday devices with a microcontroller, the device allows
sender-receiver digital communication and is connected to a communication protocol that allows
each device to connect with other devices [8]. The concept of IoT aims to make the internet more
depth and breadth in its use. Furthermore, the ease of interaction between devices such as home
appliances, surveillance cameras, vehicles and other equipment’s is presented in Figure 1. This
paradigm can find a variety of applications in many different scientific domains, such as smart
homes, industrial automation, automation in the medical field, intelligent energy management and
intelligent network that are applied to the vehicle, traffic and many more.
A smart home system besides can be controlled remotely, it also can provide information
about the actual conditions in the home, one of them is the weather information and security
information. So that residents can easily monitor the condition of the house through the developed
interface. In addition, a smart home system can also interact with other data sources, such as
interacts with weather prediction system, so that residents can consider the activities to be carried
out [9-12]. This paper aims to understand the basics of using message queuing telemetrytransport
(MQTT) protocol as a means of communication between the remote device with the server, to

TELKOMNIKA ISSN: 1693-6930 ◼
Implementation smart home using internet of things (Afrizal Mayub)
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desig a platform that consists of hardware and software as the foundation in the manufacture of
Internet of Things (IoT) device, and to implement the results of the designed platform as the basis
for making the smart home.
2. Research Method
2.1. Smart Home Architectures
Home is a building that cannot be separated from human life because home is a primary
necessity. To be able to function physiologically, a home must be equipped with various facilities
required, such as electricity, water, lighting and others [13]. Along with the developments that LED
to the digital era, nowadays there are a lot of research trying to make a home becomes easier to
control. The term smart home has widely stated by researchers and activists in automation field.
But to make a house into a smart home, it is needed a system to handle this.
Smart home control system (SCS) is a system to manage and to control a home in order
to improve the safety and comfort of home owners by improving the system of environmental
protection, energy savings, simplifying the setting of both digital devices and mechanical devices
becomes easier [14].
Figure 1. Smart devices on smart home illustration
2.2. MQTT dan REST Protocols
Message Queuing Telemetry Transport (MQTT) Protocol is a protocol that runs at over
TCP/IP stack and has a data packet size with small low overhead (minimum 2 bytes) that has an
impact on the consumption of the power supply that is also quite small [15]. This protocol is
the type of data-agnostic protocol which means that it can transmit any data such as binary data,
text even XML or JSON and this protocol applies publish/subscribe model as shown in Figure 2,
where the model is different from most protocol that typically uses client-server model. By default,
MQTT protocol runs on TCP/IP port 1883, the protocol is widely used in communication Machine
to Machine (M2M) and IoT. This is because MQTT is appropriate to be used on devices that have
limited capabilities in terms of bandwidth and data transmission as well as is limited to
the reliability of data transmission [16]. MQTT is a message-based protocol with the address of a
message specifically mentioned as a Topic.
Representational State Transfer (REST) is an architecture of communication method that
used HTTP protocol for data changing and this method is often applied in application
development. The goal is to make a system that has a good performance, quick and easy to be
developed (scale), particularly in the exchange and communication of data. REST is also one of
the mechanisms of integration that has been very dominant to be used on the internet, REST has
four essential components in it such as URL Design, HTTP Verbs, HTTP Response Code, Format
Response [17, 18]. In Figure 2 it is explained that a REST server will handle the data exchange
process between REST client with the database.

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TELKOMNIKA Vol. 17, No. 6, December 2019: 3126-3136
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Figure 2. MQTT and REST Architecture
2.3. Overview of the Smart Home System
Smart home control systems work by connecting electronic devices in the house with a
control device which has been designed to connect to the Internet network, either wired or
wireless. These electronic devices will be controlled by the state of data transmitted over MQTT
protocol, the data is obtained from the user's command or triggered based on data from other
systems, such as weather prediction system. In addition to taking orders in the form of specific
states, the electronic device on the smart home system can also transmit data to other devices,
so that data such as temperature, humidity and security conditions, can be monitored remotely
via the web. The following is the design of smart home system as a whole which is presented in
Figure 3 (a).
Smart home control system design is done by utilizing m-Platform. Some of the features
that will be covered in this study include lighting control, air conditioning control, garage door
control, all of which can be remotely controlled either manually or automatically. Prototyping
house is done using CAD software and has a size of 1:30 of the size of the original house. House
design used as prototypes in this study has two floors, with a total of three rooms on the first floor
and four rooms on the second floor, where the design of a prototype of this house is shown in
Figure 3 (b).
Installation of Light Emitting Diode (LED) lights in each room as many as 2-6 items is
used as a substitute for AC lighting installations simulation in the home. The use of home
prototypes with a ratio of 1:30 is meant to be able to simulate the use of m-Node as a replacement
of the manual switch, because the majority of the electrical installation in the house puts the light
switch of a room located in one place, so that to implement the system of these prototypes in real
homes, users should only replace the switch part into m-node device, as shown in Figure 4.
The use of m-Node in addition to be used to control lights, can also be used to control other
household appliances, such as water pumps, plants watering, fan and other equipment’s. Thus,
only by using an m-Node, the household appliances of conventional equipment can be turned into
connected to the Internet and can be controlled remotely. In the garage, in addition to control
lights, m-Node is also used to control a servo motor which then can be used to open and close
the garage door remotely and automatically. In Figure 5 (a) it can be seen that for installation on
the first floor, it needs four pieces of m-Node from ESP8266.

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(a)
Garage
Room 3
Room 1
Room 2
(b)
Figure 3. (a) Design of a smart home system (b) House prototype design
Figure 4. Illustration of using m-Node as a switch
m-node configuration on the second floor does not use ESP8266, but it uses
the Raspberry Pi, the use of Raspberry Pi is intended to try to implement m-Node system on
multiple devices. By using the Raspberry Pi, the installation of wiring the lights on the second floor
will be like in Figure 5 (b), where all the cable light will lead to specific location, such configuration
is appropriate to be applied to new buildings, because the design of cable installation can be set
up from the beginning, so it will not interfere with an existing electrical installation.
User
Broker
node
= m-Node
Skala 1 : 30

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Raspberry Pi has several advantages compared with ESP8266, among others, can be
connected with some kind of connectivity, such as Wi-Fi, ethernet and Bluetooth. In addition,
the Raspberry Pi is also equipped with an output that can be used as an interface, such as HDMI
and Audio Jack, so in this study, the audio output will be used to give warnings and information
such as weather conditions, as well as congestion. This information data will be obtained from
several providers of information on the Internet through Application Programming Interface (API),
the use of API will allow any person to obtain data and to integrate it on the device that is being
developed, so that there will be more integrated devices in the future. The examples of data
obtained freely from weather data provider among others are information about temperature,
humidity, pressure, wind speed, cloud conditions, visibility and other information. The data is used
as reference of the system developed in this study.
(a)
(b)
Figure 5. (a) Installation of m-Node installation on the first floor
(b) m-Node installation design on the second floor
3. m-Platform Design
3.1. Overview of the m-Platform
m-Platform is a platform that consists of integrated software and hardware used to
facilitate IoT project. m-Platform consists of several parts: m-Node, m-Broker, m-Dashboard and
m-Gateway. The entire section of the m-Platform is connected to one another into a single
integrated system. The topology of m-Platform shown in Figure 6 (a).
3.2. m-Node
Any device that can connect to the Internet, ranging from censorship of the simplest to
the complex cloud servers are the parts of the IoT in which the phrase 'Things' refers to objects
Floor 1
ESP8266 ESP8266 ESP8266 ESP8266
Room 1 Room 2 Room 3 Garage
(3 Lamps) (4 Lamps) (5 Lamps) (4 Lamps)
Raspberry Pi SpeakerFloor 2
Room 1 Room 2 Room 4Room 3

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that vary widely such as lamps, IP cameras, thermostats, alarm clock and others [19]. All
electronic equipment’s in the world can be a component of the IoT if it has internet connectivity,
therefore in this study it will be made an m-node device as additional device that integrate
electronics with the internet. On Figure 6 (b) indicated that the m-Node device requires the ability
to bridge both the data transmission from the electronic device to the internet and vice versa.
Therefore, there is a lot of choice in developing m-Node, among others ESP8266, Raspberry Pi
and Arduino. All three devices are examples of some of the electronic platform that can be used
as m-Node, but in this study, the discussion will be more focused on the use of ESP8266 and
Raspberry Pi [20], this is because both of these devices have had the ability to connect to
the internet by using Wi-Fi and ethernet. In use, each m-Node will have each 'NodeID' and
'NodeKey' as identity. NodeID and NodeKey are obtained from the website of 'nodemanager' in
which they will be unique.
(a)
(b)
Figure 6. (a) m-Platform topology (b) m-Node topology
3.3. m-Broker
Currently the development of IoT is very rapid, ranging from household appliances,
enterprises to industrial equipment. To handle the IoT devices that are increasing in number, it
needed a messaging intermediary (broker) who is able to handle the amount of communication
among IoT devices [21]. A broker serves to bridge the data transmission between the connected
devices. In this research, will use the MQTT protocol as a broker. As shown in Figure 7 (a), a data
will be transmitted through a broker to mark it as a topic [22]. There are several open-source
projects that handle the development of MQTT Broker, one of which is mosquitto. The use of
mosquitto in this research because mosquito is easy to install and have already implementing
MQTT protocols version 3.1.1 [23].
3.4. m-Gateway
The development of IoT in the future will combine the real world with the virtual world,
where the interaction between devices will make human life better. However, to make virtual
objects can interact with users, it certainly does not like the communication made by the device
to other devices, moreover, it is necessary for a solution where the development of this interaction
can be done easily by all devices or by users [24]. This research will try to combine two protocol
m-Node
Internet
Electronic Devices

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in order to deal with the existing problems, the MQTT protocol will handle communication between
devices, while the REST protocol will handle communications between the user and the device.
Figure 7 (b) explained that both protocols will be set to use on Data Layer, where basically all
the data either received or requested on each protocol will be stored in the same database.
(a) (b)
Figure 7. (a) Example of a scheme for using m-Broker (b) m-Gateway architecture
3.5. m-Dashboard
To be able to control or view data from IoT devices, it is necessary to have an interface
system that can facilitate a user to manage the device in large quantities. There are many types
of interfaces that can be used, but there is a very popular interface due to its ease of access,
namely web interface, this interface can be easily accessed from all types of electronic devices
such as computers, laptops, mobile phones even smart televisions can also access it. In this
study, will use a web interface with a programming language of PHP (PHP Hypertext
Preprocessor) and JavaScript, while for the base data that used, it will combine MySQL with
Mongoo [25]. M-Dashboard Design will be made moreover users can customize to their individual
needs, so users can adjust their Dashboard more freely, one example of the target results from
the m-Dashboard can be seen in Figure 8. The use of m-Dashboard can also facilitate researchers
to monitor the condition of the device, the interaction data both from and to the m-Dashboard is
derived from m-Gateway, with communication media by using REST protocol.
Figure 8. Example of m-Dashboard
DB

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4. Testing and Discussion
4.1. Communication of MQTT
This study uses MQTT protocol as the communication protocol between devices, MQTT
works by using the topic as a hierarchy of data transmission where each topic is a reference of
the data transmitted. For example, a device wants to transmit data of temperature sensors,
moreover, the topic example that that can be used is "device/1/sensor/temp" after a device
transmits data on this topic, then the other device can take the data by subscribing to the same
topic. Therefore, a topic should be regulated so as not to overlap one another. The composition
of the topic used in this study are 28 topics, such as can be seen in Table 1.
Table 1. Topic Division of MQTT
Floor Room Item Topic Message
1st floor
Living room
lamp 1 room/1/lamp/1/state 0 = OFF; 1 = ON
door room/1/door/lock 0 = LOCK; 1 = OPEN
door detection room/1/door/state 0 = LOCK; 1 = OPEN
Room 2
Garage
door room/3/door/1/lock 0 = CLOSE, 1 = OPEN
2nd Floor
Room 4
Room 5
lamp 4 room/5/lamp/4 0 = OFF; 1 = ON
Room 6
air conditioning room/6/AC/state 0 = OFF; 1 = ON
AC temp room/6/AC/temp input Temp (Default = 20)
Outdoor Garden lamp out/1/lamp/state 0 = OFF; 1 = ON
4.1. Use Case Scenario
Users will be able to control the home electronic devices via a button on the device or
through the Internet. Users can turn on or turn off the lights, control air conditioning temperature,
open the garage door and other electronic devices that are connected to the m-Node. Users can
access the interface from either system control page from the network or the Internet network. In
addition to control, users can also obtain information from the m-Node, such as temperature, light
intensity, door security conditions and others. The interface used in the form of web and chatbot.
In general, the illustration of the use case scenario in this study is illustrated in Figure 9 (a).
In addition to working on the orders of users, this smart home system can also work
automatically, in accordance with the rules set by the user, there are some automated systems
that are used in this study, these systems are used to improve the comfort and the safety of users.
The security system applied in the form of a forced door and window opening detection, this
detection uses sensors that have been installed on the door or window, which if the condition of
the door is supposed to be locked but is detected open, the system will automatically sound an
alarm and notify users, and provide brief reports to security forces around the house, in general,
this system is illustrated in Figure 9 (b).
When the afternoon and morning arrived, the automatic system for the garden lights will
function. This system will turn on the garden lights if the time shows at 17.30 and will turn it off at
05.00. The data time is obtained from the server on the internet. But apart by time, to turn

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the lights are also based on data from the intensity of the light coming from the light sensor, these
sensors can provide information about the intensity of light at a time and the user can set
the minimum mark to turn lights on and off the garden light, in general, this automated system
illustrated in Figure 10 (a).
The smart home system can also arrange for all of the devices currently on the conditions
is set out when users come from outside of a home or when the user leaves home. This system
is referred to as home/away mode, or a mode that determines the presence of users. Users can
set this mode through the web or through chatbot, therefore the users no longer need to turn on
or turn off the electronic devices. In general, this system is illustrated in Figure 10 (b).
(a) (b)
Figure 9. (a) Use case diagram (b) Door security detection flow
(a) (b)
Figure 10. (a) Automation of garden lights (b) Home away mode
There are several features on the website that are used as smart home controllers,
features designed to make it easier for users to control household devices at home. This website
display can be viewed in Figure 11. There are some columns that divide each home device based
on function and room. The web, which is designed to be opened through a computer or laptop
device, can also be opened via mobile devices such as Android and iPhone, this is because
Controlling Lamp, AC, Door
and Garage
Get Information from
home
Start
Door
Lock?
Is
Door
Open?
End
Activate
Alarm
Notice User
Yes
Yes
No
No
Start
Lux < Set
Lux
Time
=
Set TimeOn
End
Yes
Yes
No
No
Turn On
Lamp
Time
=
Set TimeOff
No
Turn Off
Lamp
Yes
Start
Home
Mode
Away
Mode
End
Turn Off AC
and Lamp
Open Garage
Yes
Yes
No No
Turn On AC and
Lamp
Lock Garage

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the web display is designed responsively and mobile-friendly moreover the web display can adjust
the screen size of the accessing device. The miniature results of prototypes design of a smart
home are presented in Figure 12 and video [26] displays the test results of smart home design
using m-Platform.
Figure 11. Web appearance when opened on a mobile device
Figure 12. The results of a prototype design of a house as a miniature smart house
5. Conclusion
This paper has described the designing process of the smart home using m-Platform by
using the features of the website which can be accessed using a computer or laptop and can also
be opened via mobile devices such as Android and iPhone. This study uses MQTT protocol as
the communication protocol between devices, MQTT works by using the topic as a hierarchy of
data transmission where each topic is a reference of the data transmitted. Furthermore,
m-Platform is planned as an open-source project that can be studied, modified, improved and
disseminated. Therefore, everyone who wants to create the IoT project can easily create
prototypes for the project they want to make. In addition, by making m-Platform as an open-source
project, it is expected that more people will contribute to the m-Platform development process,
moreover, the development of IoT in Indonesia can be done more easily because there are
already platforms that have handled the core part of technical development tools to be made.

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