task 2 Social Media Marketing Plan: Part B

Assignment 2: Social Media Marketing Plan: Part B

Due Week 7 and worth 280 points

Continue with the same business that you started creating your social media marketing plan to write the second chapter of your plan.

Create a seven to eight (7-8) page paper in which you:

Create your SMART objectives for your social media marketing plan. Discuss why you created your particular objectives.

Conduct a SWOT Analysis on your business. Identify 4 Strengths, 4 Weaknesses, 4 Opportunities, and 4 Threats. Discuss why you identified each as you did. Conduct a needs analysis based upon your SWOT Analysis, paying close attention to their social media marketing needs.

Create three strategies to integrate your consumer’s voice into your social media strategy. How will you respond to consumers, utilize consumer feedback, and utilize consumer ideas given via social media platforms.

Discuss how you will engage your target market utilizing the Third Wing of the Dragonfly Effect. Using pg. 80 in the Dragonfly Effect text, decide upon two to three (2-3) characteristics of an engaging campaign and discuss how you will use them and why you chose them.

Explain the types of content the brand can create to match the business’s specific target market’s interests.

Create a brand evangelist program to both engage and reward the loyal and active brand consumers and advocates. Spell out specific policies and promotions you may run to engage the active consumers and reward them.

Go to https://research.strayer.edu to locate at least three (3) quality academic resources in this assignment. (Note: Wikipedia and other websites do not qualify as academic resources.)

Include a reference page using the Strayer Writing Standards. The reference page is not included in the required page length.

This course requires the use of Strayer Writing Standards (SWS). The format is different than other Strayer University courses. Please take a moment to review the SWS documentation for details.

Your Assignment must be saved as:

Last Name_First Name_Week7_Assignment2

For Example: Doe_John_Week7_Assignment2

The specific course learning outcomes associated with this assignment are:

Understand how to perform a business review and target market analysis in support of a social media strategy.

Evaluate social media platforms to achieve social media marketing goals.

Gain familiarity with creating and posting social media content to support marketing goals.

Create, evaluate, and adjust a social media marketing plan.

Identify the overall goals associated with the development of a social media strategy and plan.

Perform a business review and target market analysis in support of a social media strategy.

Write clearly and concisely using proper writing mechanics.

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Describe the Internet shopping experience using the following criteria:

Graded Project

Retail Management Reviewed By

Stephanie Szymanski

© PENN FOSTER, INC. 2017 PAGE 1RETAIL MANAGEMENT Graded Project

CONTENTS OVERVIEW 2

INSTRUCTIONS 2

GRADING CRITERIA 9

SUBMITTING YOUR PROJECT 11

© PENN FOSTER, INC. 2017 PAGE 2RETAIL MANAGEMENT Graded Project

RETAIL MANAGEMENT

OVERVIEW You’ll select a retailer and research, examine, and report your findings in the following three areas:

1. Strategic analysis
2. Store layout, design, and visual merchandising
3. Internet retailing

You’ll answer a set of questions for each of the above-mentioned areas, using the infor- mation in your textbook, information from your research, and any other information you’ve learned to support your positions.

INSTRUCTIONS

Project Specifications For this graded project, select a retailer that you’re interested in from the following list:

American Eagle Outfitter Ann Taylor Apple

Autocone Bed Bath & Beyond Best Buy

Costco CVS Caremark Dollar General

Family Dollar Finish Line Foot Locker

Home Depot Kohl’s Korger

Lowe’s Macy’s Men’s Warehouse

Michaels Nordstrom Office Depot

Pep Boys PetSmart Pier 1 Imports

Ross Stores Safeway Staples

Target Tiffany & Co. Walgreens

Wet Seal Whole Foods Market Zales

You’ll prepare a paper and presentation using APA format about your chosen retailer.

© PENN FOSTER, INC. 2017 PAGE 3RETAIL MANAGEMENT Graded Project

Your project will contain the following sections:

1. Title Page
2. Strategic Analysis
3. Store Layout, Design, and Visual Merchandising
4. Internet Retailing
5. Works Cited

With the exception of the title page, each section should begin on a new page and should be labeled with the appropriate header. For example, the header for the Strategic Analysis section would be Strategic Analysis.

The questions for each section should be typed using a word-processing program. Each answer for that section should be labeled by its number/designation and question and should be answered in an essay/paragraph format.

This project requires you to research your chosen retailer, and you’ll need to find, cite, and reference a minimum of three sources of information using APA format. Do not summarize information without giving credit to the source from which it was drawn.

Be sure to double-space your answers with left and right margins of 1 inch, flush left and ragged right. Use a plain 12-point font, such as Times New Roman.

Section 1: Title Page The first section of your graded project is the title page, which requires the following information:

n Title (Retail Management)

n Your name

n Your student number

n Graded project number: 08068700

n The date

Section 2: Strategic Analysis

Research

All of the previously listed retailers are publicly held companies, meaning that you can access financial statements and annual reports. Many reports can be found at the SEC’s website, http://www.sec.gov, and annual reports can be found online at the company’s website or by calling the company and requesting a report be sent to you as a potential investor.

http://www.sec.gov
© PENN FOSTER, INC. 2017 PAGE 4RETAIL MANAGEMENT Graded Project

You’ll find the information you need to complete the assignment using databases and resources, including the following:

n Magazine articles, such as those in Money

n Television, including channels such as MSNBC

n Websites such as Google Finance, CNN Money, Bloomberg, Forbes, MarketWatch, E*TRADE, and Scottrade

n Any provider of financial and industry news information, such as the Wall Street Journal and Investor’s Business Daily

Cite and reference the original sources that your information was drawn from, not the database where you found the source.

Questions

Answer the following questions in your project:

1. Provide a brief overview of the retail sector in which the retailer operates.

a. What economic factors and environmental factors (if any) are affecting the retailer?

b. What are the competitive pressures, evolving and emerging technologies, effects of online selling. changing demographics and buying preferences, consumer behavior issues, and image issues affecting this retailer and how it conducts business?

1. Describe your retailer.

a. What is your retailer’s primary business?

b. What is its business model—how does it choose to operate?

c. What is its corporate strategy?

d. What are its goals?

e. How has your retailer changed and evolved over time?

f. What parts of the business are growing and generate the most revenue?

g. How is your retailer seeking to increase revenue in the future?

1. Complete a corporate analysis.

a. Has the retailer been profitable during its last fiscal year?

b. What are its projections for the future?

c. Is the retailer expanding or contracting its operations?

d. How does this retailer compare financially to other retailers in its industry?

© PENN FOSTER, INC. 2017 PAGE 5RETAIL MANAGEMENT Graded Project

1. Do a financial analysis of your retailer and two to five of its top competitors.

a. What is the revenue growth, return on assets, gross margin, net margin, gross margin return on investment, and inventory turnover?

b. What does this analysis say about how your retailer operates and its profitability?

c. What can your retailer do to improve its profitability?

1. Analyze the competition.

a. Who are the retailer’s competitors, both direct and indirect?

b. How does your retailer compare to these competitors in terms of its size, market dominance/share, sales, profitability, and so on?

c. What is your retailer’s competitive strength?

d. Are there strategies that haven’t worked for the retailer?

e. What retailers have the retailer identified as competitive threats? Why?

1. Determine the retail market strategy.

a. Who is the retailer’s target audience? (Describe the audience demographically and psychographically, if possible.) How does this compare to the competition?

b. What image does the retailer want to convey? How does it compare to its current image in the industry and in the minds of consumers? How does it compare with competitors’ images?

c. How has technology affected the way the retailer conducts business? How does it make use of the Web, e-commerce, supply chain management, information systems, and so on?

d. What is the retailer’s global presence and strategy? Has it been successful? Why or why not?

e. What is the retailer’s location strategy and why?

f. Describe their merchandising strategy: how they buy, what they buy, breadth versus depth of merchandise, and so on. How is it reflected in their financial strategy.

g. What is the retailer’s pricing strategy, and how does this affect profitability?

h. What is the retailer’s approach to advertising and sales promotions? Has it been effective?

i. What challenges does your retailer face in terms of the retail strategy variables just described? Do some appear to be working better than others?

© PENN FOSTER, INC. 2017 PAGE 6RETAIL MANAGEMENT Graded Project

1. Summarize your retailer’s primary strengths and weaknesses and support your assessment.

a. What are the retailer’s largest opportunities, both now and in the future?

b. What are the retailer’s biggest challenges, both now and in the future? How is it preparing to meet those challenges?

1. Describe what you think the future holds for this retailer.

a. If you were hired as the CEO, what specific strategies would you pursue in the future for this retailer?

b. What opportunities would you capitalize on? Why?

Section 3: Store Layout, Design, and Visual Merchandising

Research

Go to one of the retailer’s physical locations and evaluate the store layout, design, and visual merchandising techniques employed. Be sure to reference the concepts you’ve learned in your chapters.

Select a particular product. (You’ll be using this product to compare with your Internet shopping experience.) Review the next section on Internet retailing to understand the information that will need to be gathered complete the next section of the research project.

Questions

After you’ve done your research, explain your answers to the following questions:

1. Appearance

a. Is the store layout, design, and visual merchandising techniques used con- sistent with the exterior of the store and the location? What does it say about the type of store this is and the market it is trying to attract?

b. Is the store’s ambiance consistent with the merchandise presented and your expectations as a customer?

c. Does the store need a face-lift, update, remodel, or renovation? What improvements would you suggest?

© PENN FOSTER, INC. 2017 PAGE 7RETAIL MANAGEMENT Graded Project

1. Fixtures

a. Does the lighting highlight merchandise, structure space, capture a mood, or downplay unwanted features?

b. Are the fixtures consistent with the merchandise and the overall ambiance of the store?

c. What type of image do the fixtures portray?

1. Promotions

a. Does the store’s signage effectively sell merchandise?

b. Has the retailer used any theatrical effects to help sell merchandise?

c. Does the store make creative use of wall space to sell product?

d. Does the sales staff use suggestive selling?

e. Is the sales staff friendly and helpful?

f. Is the image of the staff consistent with the image of the store?

1. Layout

a. Does the store layout help draw people throughout the store? Why or why not?

b. How does the layout facilitate purchases?

c. What type of layout is used? Would another type of layout be better?

1. Merchandising

a. Has the retailer employed any techniques for achieving greater space productivity such as using the “cube,” downsizing gondolas and racks, minimizing no-selling space, and so on?

b. Are there any displays that increase interest in the products being offered? If not, would you recommend any?

c. How has the retailer organized merchandise? What improvements could be made?

1. Critique

Summarize your suggestions on how this retailer can improve the shopping experience for its customers, increase sales, and improve its image.

© PENN FOSTER, INC. 2017 PAGE 8RETAIL MANAGEMENT Graded Project

Section 4: Internet Retailing

Research

Go to the retailer’s website and shop for a product. Select the product and place it in the shopping cart. Go through the checkout procedure up to the point where you’re asked to enter credit card or checkout information. Important: You don’t actually need to purchase any products or services.

Questions

After you’ve done your research, answer the following questions in detail:

1. How do you compare your experience shopping on the Internet to shopping in a local store for this type of product?
2. What are the advantages and disadvantages of the Internet shopping experience?
3. Describe the Internet shopping experience using the following criteria:

n Price

n Suggestive selling

n Website features

n Design of website

n Ease of website use

n Closing of the sale

Section 5: Works Cited Page Be sure to include a works cited page at the end of your project. Using APA format, include a list of all the sources you consulted. Visit Purdue Online Writing Lab, https://owl.english.purdue.edu/owl/section/2/10/, for information about APA-formatted works cited pages.

https://owl.english.purdue.edu/owl/section/2/10/
© PENN FOSTER, INC. 2017 PAGE 9RETAIL MANAGEMENT Graded Project

GRADING CRITERIA The following rubric will be used to grade your project.

MKT340 Retail Management Graded Project

Skill/Grading Criteria

Exemplary (100–90)

Proficient (89–80)

Fair (79–70)

Poor or Not Evident (69–0)

Section 1: Title Page

3 points

The title page includes the following information in the following order:

• Title (Retail Manage­ ment)

• Your name • Your student

number • Graded

project number: 08068700

• The date

2 points

Title page includes the following infor mation in the following order but has minor errors:

• Title (Retail Manage­ ment)

• Your name • Your student

number • Graded

project number: 08068700

• The date

1 point

Title page includes the following information with minor errors or may be not be in correct order:

• Title (Retail Manage­ ment)

• Your name • Your student

number • Graded

project number: 08068700

• The date

No points

The title page doesn’t include the following information in the following order:

• Title (Retail Manage­ ment)

• Your name • Your

student number

• Graded project number: 08068700

• The date

Section 2: Strategic Analysis

40–38 points

The student provided thoughtful and thorough responses to each of the eight questions.

The student cited sources in correct APA format.

37–35 points

The student provided mostly thoughtful and thorough responses to each of the eight questions.

The student cited sources in mostly correct APA format.

34–31 points

The student provided some- what thoughtful and thorough responses to each of the eight questions.

The student cited sources in mostly incorrect APA format.

30–0 points

The student didn’t provide thoughtful and thorough responses to each of the eight questions.

The student didn’t cite sources in correct APA format.

(Continued)

© PENN FOSTER, INC. 2017 PAGE 10RETAIL MANAGEMENT Graded Project

Section 3: Store Layout, Design, and Visual Merchan- dising

30–28 points

The student provided thoughtful and thorough responses to each of the six questions.

The student cited sources in correct APA format.

27–25 points

The student provided mostly thoughtful and thorough responses to each of the six questions.

The student cited sources in mostly correct APA format.

24–21 points

The student provided some- what thoughtful and thorough responses to each of the six questions.

The student cited sources in mostly incorrect APA format.

20–0 points

The student didn’t provide thoughtful and thorough responses to each of the six questions.

The student didn’t cite sources in correct APA format.

Section 4: Internet Retailing

12–11 points

The student provided thoughtful and thorough responses to each of the three questions.

The student cited sources in correct APA format.

10 points

The student provided mostly thoughtful and thorough responses to each of the three questions.

The student cited sources in mostly correct APA format.

9–8 points

The student provided some- what thoughtful and thorough responses to each of the three questions.

The student cited sources in mostly incorrect APA format.

7–0 points

The student did not provide thoughtful and thorough responses to each of the three questions.

The student didn’t cite sources in correct APA format.

Section 5: Works Cited Page

5 points

The works cited page is well-organized, in correct APA format, and includes all the consulted and referenced sources.

There are at least three citations.

4 points

The works cited page is mostly orga- nized, in mostly correct APA format, and includes all the consulted and referenced sources.

There are at least three citations.

3–2 points

The works cited page is some- what organized, in mostly cor- rect APA format, and includes all the consulted and referenced sources.

There are fewer than three citations.

1–0

The works cited page is nonexistent, or is poorly organized, in incorrect APA format, and doesn’t include all the consulted and referenced sources.

There are fewer than three citations.

(Continued)

© PENN FOSTER, INC. 2017 PAGE 11RETAIL MANAGEMENT Graded Project

Written Commun- ication

10 points

There are no or very minor errors in gram- mar spelling and mechanics

The project flows well, helped by usage.

Each section begins on a new page and is labeled at the beginning.

9 points

There are a few errors in gram- mar, spelling and mechanics, but they don’t detract from flow of the project.

8–7 points

There are many errors in gram- mar, spelling and mechanics, which detract from the flow of the project.

6–0 points

Many errors on grammar, spelling and mechanics, which truly disrupt the flow of the project.

SUBMITTING YOUR PROJECT Save your project as a Microsoft Word (.doc or .docx) file or a Rich Text Format (.rtf) file. Then follow these steps to submit your graded project:

1. Go to http://www.pennfoster.edu. 2. Log in to your student portal.
2. Click on Take Exam next to the lesson you’re working on. 4. Follow the instructions provided to complete your exam.

Be sure to keep a backup copy of any files you submit to the school!

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Mid-Term

Course materials are permitted while taking this mid-term. Once you begin, you will have 90 minutes to complete the exam. Also, multiple attempts are NOT PERMITTED, so once you start you must be ready to give it your best shot because that will be your only chance. The exam will be available to take from Pacific time Monday, May 6 through Friday, May 10.

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Design and Implementation of a Low Cost Wireless Sensor Network using Arduino

TELKOMNIKA, Vol.16, No.3, June 2018, pp. 1107~1113 ISSN: 1693-6930, accredited A by DIKTI, Decree No: 58/DIKTI/Kep/2013 DOI: 10.12928/TELKOMNIKA.v16i3.8063  1107

Received November 27, 2017; Revised April 3, 2018; Accepted May 2, 2018

Smart Garage Implementation and Design Using Whatsapp Communication Media

Rendy Munadi* 1 , Arief Rakhman

2 , Doan Perdana

3

1,2,3 School of Electical Engineering, Telkom University

Jl. Telekomunikasi Terusan Buah Batu Bandung 40257 Indonesia (+6222) 7564 108 *Corresponding author, e-mail: rendymunadi@telkomuniversity.ac.id

1 , ariefrakhmans96@gmail.com

2 ,

doanperdana@telkomuniversity.ac.id 3

Abstract WhatsApp is a social networking app that serves as a communication medium. According to the

Online Audience Measurement Standards named comScore, in 2017, WhatsApp application users in Indonesia amounted to 35.8 million people. As the most popular mobile application with the most users in the country, in this research the authors chose Whatsapp as a communication medium that will be integrated into one application of Internet of Things (IoT), that is Smart Garage. Smart Garage is a combination of information technology and computing technology that is applied to a house by relying on efficiency and device automation. The results of this research shows that it is better to use mobile data networks than using the wireless networks. The maximum delay when using mobile data is 7.5 s and 7.7 s when using wireless networks. The research using WhatsApp application still rare especially in the field of IoT.

Keywords: whatsapp, iot, smart garage

Copyright © 2018 Universitas Ahmad Dahlan. All rights reserved. 1. Introduction

Research into the use of Raspberry PI and Arduino on front doors has been done especially for guests whenever the owner is not home, where the guest will provide a message or voice messaging to the owner of the said house. The system is completed by an LCD (liquid crystal to display) to identify the guest, to display the voice message, and other important information regarding the house. With the LCD, the house owner can also leave messages that can be displayed should he/she please. As long as the voice message has been recorded, the Raspberry Pi camera can be used for security and to provide information such as images of guests that arrive to the house’s owner [1].

The utilization of IPv6 internet protocol for house automation has started to be done with the taken object as a single network layer and all relevant aspects of house automation. All of this is as a basic knowledge that supporting infrastructure eases the development in making applications and in creating interactions with a beneficial concept for the vendor and to the user. Clearly, internet technology is an option for a solution to a automated home system [2].

Differently with a smart home system based on Raspberry Pi and android smartphone that is equipped with wireless router access that has given comfort and convenience in monitoring as well as house and environment situation control and also to raise electrical energy efficiency in accordance to the needs of the user [3]. Meanwhile, according to [4] with the new standard in wireless communication with higher coverage area provide low energy consumption.

Different power patterns can be created by wireless and mobile data communication. The use of maximal sparse linear arrays has been done to create a new approach [5] to the synthesis of shaped patterns. Here, the Compressive Sensing (CS) theory is used with optimization in parameters that may affect the CS performance. The initial constraints may be fulfilled by different power patterns. Several other applications of interest can use the same procedure. Examples include the design of factorable pattern in the shaped zone or one- dimensional simple reconfigurable array. Radiation performance that is near the ultimate physical limitation is achieved in such a scenario. Moreover, based on [6], the rigorous delay specification, made the performance results on the communications scheme difficult to achieve.

 ISSN: 1693-6930

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Here, a fast deterministic procedure is presented to fulfill the requirements of fixed power pattern and directivity by implementing the feeds’ size as a degree of freedom of the problem. As a result, different field levels are produced on their aperture even though the feeds have the same power but different sizes. A smaller field will produce a larger field level on its aperture [7].

By taking advantage of the rapid development in electronical and telecommunication technology, added to the use of Raspberry Pi, Arduino, and wireless routers as well as motor drivers, we are design and implementation a Home Automation system that uses a android- based smartphone. The purpose in this research is using an android smartphone with WhatsApp which can be implemented to help drivers open and close garage doors without having to come into physical contact with it.

The Raspberry Pi and the transmitter component, as Single Board Computer (SBC) or local server, and the microcontroller will be able to communicate, or to exchange data with each other, through a wireless communication. In this paper we are design and implementation system, we used a wireless and mobile data communication as the communication media. the Single Board Computer will be placed inside a house and the microcontroller will be placed near the garage door. When the SBC receives data from the user, the SBC will communicate with the microcontroller and data will be processed by the microcontroller. 2. Research Method

In an effort to implementation smart garage as part of Internet of Things, the research methodology steps begin from the system design that includes Raspberry Pi, Access Point, Arduino and smart phone and End devices.Then the second step is realization that consist of source code and prototyte design. The third step is performance test with attention of distance, protocol, words length and connection type. The final step is results analysis with several parameter performances like as delay, CPU load and response time. The research methodology is as shown in Figure 1.

Figure 1. Research Methodology

2.1. System design The initial stage of this research is the design phase or system design. At this stage,

used several important components, such as: Raspberry Pi, Access Point, and Arduino. Raspberry Pi is a small single-board computer that can be used to run computer programs similar to a computer. On the Raspberry Pi, we can configure anything according to our needs. This eases users in doing configuration and in controlling it [8]. Raspberry Pi serves as a server to receive commands from Whatsapp. Access Point serves to transmit information obtained from Raspberry Pi to Arduino.

Arduino Uno is a microcontroller-based board at Atmega328. This series has 14 digital input/output pins (where 6 pins can be used as a PWM output), 6 analog inputs, 16 MHz crystal ocillators, USB connection, and an electrical jack reset button. These pins has all that is needed

Access Point Distance

Raspberry Pi Protocol

Arduino Words Length

Motor DC Connection Type

Motor Driver

Smart Phone Prototype Design Response Time

Source Code CPU Load

Delay

1. System Design
2. Realization
3. Performance Test
4. Result Analysis

Smart Garage

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Smart Garage Implementation and Design Using Whatsapp… (Rendy Munadi)

1109

to support a microcontroller. It only requires to be connected to a computer through the USB cable or the power source can be obtained from a power source through an AC-DC adaptor or also a battery [9]. Arduino serves to receive commands from Raspberry Pi for later executed directly by motor driver.

Motor Driver L298 N is a driver module that uses a ST L298N chip that can control two motors simultaneously [10]. NRF24LO1 wireless module is a wireless communication module that uses the 2.4 GHz band. This module uses the SPI interface to communicate and runs on a voltage of 5V [11]. In this design, motor drivers are used as modules to drive DC motors and smartphones as executing commands through the WhatsApp application.

2.2. Realization

In the realization stage, prototypes of system designs have been made. In addition, also configure the system and create the source code. In Raspberry Pi, the authors make the source code for the process of receiving messages WhatsApp for the next sent to Arduino as a command. Meanwhile, the Arduino generated source code to receive commands from Raspberry Pi, to then be executed by motor drivers it is described in the block diagram of the system as in Figure 2.

Detailed process description of Figure 2, started by smartphones or user devices (laptops, gatgets) that can connect to the internet and can send messages determined by the number of words sent according to need, at least one word such as opening or closing. Besides, it takes the server whatsapp as a container of the number of messages made by the user.

Figure 2. System Block Diagram

Raspberry Pi with wireless communication module NRF24LO1 is said to be a subsystem and works as a Local Server that can accommodate data packet sent or received. Local Server through Access Point can communicate with other subsystems that is smart controller device, where Raspberry Pi function as interface that runs programs both for configuration and control needs like a computer. So every message that comes from the smartphone by Raspberry Pi will be processed and then will be forwarded to Arduino Uno R3 via wireless module media that is NRF24LO1.

Garage Motor DC Motor Driver

9 VCC

Ground

Power Module 9v DC

NRF24LO1 Receiver Arduino Uno R3

Smart Controller Device

Power Supply

220V AC Access Point

NRF24LO1 Transmitter Raspberry Pi

Local Server

Smartphone

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Power supply 220V AC through power module distribute power especially 9 volt DC voltage on Arduino Controller. The existence of motor drivers in order to move the wheels on the smart wheel in accordance with the Arduino Controller command either to open or close the garage door. In the source code for message delivery WhatsApp to Raspberry Pi serves as an interface with WhatsApp server, process handles ACK, initialization layer, process to start the program and process for message delivery. While the source code for message reception WhatsApp to Raspberry Pi serves as a process to check messages received from WhatsApp and then save them into variables including the process to handle ACK, to then do the process of decrypt from received messages. In the source code of the process of sending data from Raspberry Pi to Arduino there is a command that can set the payload to be sent, the channel to be used, the length of CRC and Data Rate to be used. 2.3. Performance test

At the performance test stage, several system testing schemes are performed. In the distance testing scheme, measurements are made in several distance samples to determine how much effect of distance to the system. In the connection type test scheme, the comparison between the use of WiFi with the use of Mobile Data and its effect on the delay. In the word length test scheme, measurements of the number of characters in words sent in some samples are taken. In order to measure how much resources used by the system. In the protocol testing scheme, comparisons of MQTT protocols and HTTP protocols are used to determine which protocols are most efficient in the use of IoT. 3. Results and Analysis

In the analysis stage, analyzed the change of distance to the value of delay that occurs, protocol usage, connection type and character length analysis of Raspberry Pi resource usage. 3.1. Delay measurement

Delay measurement will performed through different media, that are wireless communication media and mobile data communication media.

3.1.1. Using a wireless communication media

During the first measurement, the authors used a wireless communication medium in the form of a wireless router that is under one network that is used by yowsup service. A smartphone that had WhatsApp installed is connected to a wireless router inside a home under the assumption that the signal from the wireless router can reach the smartphone.

Figure 3. Delay measurement vs distance by using wireless communication medium

Figure 3 shows the result of delay measurement with wireshark software and by using a stopwatch towards the change in distance in meters. This measurement had the purpose to see how fast the response from Raspberry Pi is as the controller towards a smartphone user who provides messages to it. From the figure, it can be observed that up to 15 meters, the delay is relatively constant at around 6 to 7 seconds. The delay in measuring by stopwatch is larger than the result from wireshark. The delay will continue to increase at distances above 15 meters closer to 8 seconds. Using a wireless communication medium through a wireless router, the

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signal received by the smartphone will increasingly decrease if the distance is more than 15 meters and will affect the performance of the system.

3.1.2. Using mobile data communication media

In this measurement, the authors used the network connection that is in smartphones such as GSM and LTE and does not use the connection from wireless routers. There is a difference in the network used by the user and the one used by yowsup service. Figure 4 is a graph of the result of delay trials by using a mobile data communication medium. Based on the acquired result, using the wireshark software and the stopwatch as a measuring tool does not always result in an increasing delay. This means that by using mobile data, the signal recived by the smartphone will affect how fast or how slow the object’s response is, in this case the motor driver wheels towards the Raspberry Pi controlled. The minimum delay is 6 seconds while the maximum is 7,5 seconds. The Measurement by stopwatch is larger than the wireshark. Therefore, by using mobile data communication medium, the delay is not linearly affected by the change in distance but is instead affected by the mobile data signal strength or power patterns reach towards the smartphone.

Figure 4. Delay measurement vs ditance by using mobile data communication medium

3.2. CPU and RAM Load Measurement The next measurement is towards the CPU and RAM load from an idle position to a

processing data sent from a smartphone. The rise in data from the smartphone is done in phases in order to acquire the CPU and RAM characteristic towards the Raspberry PI used other than to understand the load increase process experienced by the CPU and the RAM.

Figure 5. CPU and RAM Load Characteristic with Change of Data Received

 ISSN: 1693-6930

TELKOMNIKA Vol. 16, No. 3, June 2018: 1107–1113

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Figure 5 is a graph depicting the result of CPU load measurement towards the amount of data sent. In an idle condition, CPU usage is 19% while RAM usage is 32%. Meanwhile, when receiving data one word large with a length of 4 characters, CPU usage experienced a rise becoming 33% while RAM usage becomes 38%. When receiving data with 11 words that has 50 characters, CPU usage rose by1% to 32% and RAM usage stays at 38%. While receiving data 82 words long with 500 characters, CPU usage rose by 1% becoming 33% and RAM usage is 38%. When receiving data 196 words long with 1431 characters, CPU usage rose by 6% to become 39% while RAM usage stays at 38%. A signigicant rise happened why receiving data 518 words long that has 3858 characters. CPU usage rose by 7% to become 46% while RAM usage stays at 38%. This shows that when data has been sent through WhatsApp from a smartphone, there will only be a raise in load on the CPU while the RAM will not experience a rise in line with the function of RAM as a multitasking medium. 3.3. Protocol comparison between HTTP and MQTT

Figure 6 is a graph that states the comparison of response time to distance on MQTT protocol and HTTP protocol. The data were taken ten times. The data were taken at distance 1,5,10,15 and 20 meter respectively. Based on the above graph on the results of this research implementation, the HTTP protocol has a smaller reponse time value compared to the MQTT protocol. This is because the micro-controller used only communicate with 1 device. Therefore, the use of HTTP protocol is more efficient.

Figure 6. Response time vs distance between HTTP protocol and MQTT protocol 4. Conclusion

This research designed and implemented a smart garage by using WhatsApp communication media through system design, realization and performance measurement metrics. The result shows that when using a wireless communication medium, the largest delay was at 20 meters and the smallest delay was at 1 meter. When using mobile data as the communication medium, the largest delay was at 10 meters and the smallest delay was at 1 meter. The use HTTP protocol has a smaller reponse time value compared to the MQTT protocol. Therefore, the use of HTTP protocol is more efficient, and generally more familiar in implementation especially in the field of internet.

The CPU measurement result shows that the largest CPU load happened when sending data 518 words long with 3858 characters and the smallest rise in CPU load hapened when sending data 11 words long with 50 characters. During the RAM measurement, a rise in RAM usage happened only when switching from an idle condition to a running condition. After the program is running, no amount of data received affected the RAM performance. This is in line with the purpose of RAM as a media for multitasking.

TELKOMNIKA ISSN: 1693-6930 

Smart Garage Implementation and Design Using Whatsapp… (Rendy Munadi)

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