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Showing papers on "Arduino published in 2020"


Journal ArticleDOI
TL;DR: The design and realization of a prototype platform able to produce inertized and valorised panels, starting from OFMSW is reported on, which includes an innovative ICT part that uses UHF RFID technology, low-cost sensors and a Cloud platform capable to manage all collected data related to both disposed waste and bricks produced by transformation procedure.

33 citations


Journal ArticleDOI
TL;DR: The system provides waste containers and warns the concerned departments in the city of the need to empty them when they reach a certain level, which makes the streets healthier, more attractive and free from rodents.
Abstract: In recent years, the Internet of things has become an urgent need in all of things that a person needs with least effort and time. It covers in several areas, including controlling traffic and parking, following up on general and private buildings that what you need of periodic maintenance, and reducing energy through using lighting Smart. In this paper, we focus on important thing and widespread in Iraq , collection of solid waste in the streets without treatment, which causes environmental and psychological damage to the citizen.in addition , the solid waste deposal need set up sensors(RFID,GPS, ultrasonic, GSM,…etc), connecting them to Arduino Uno to accomplish specific intelligent processing that we need. Moreover, the system provides waste containers and warns the concerned departments in the city of the need to empty them when they reach a certain level, which makes the streets healthier, more attractive and free from rodents.

29 citations


Journal ArticleDOI
TL;DR: The obtained result has shown that real time temperature monitoring data can be transferred to authentic observer by utilizing internet of things (IoT) applications.
Abstract: The recent advances in electronics and microelectronics devices allow the development of newly low-cost monitoring tools used by peoples for health preventive purposes. Sensors used in medical equipments convert various forms of human body vital signs into electrical signals. Therefore, the healthcare monitoring systems considering non-invasive and wearable sensors with integrated communication mediums allow an efficient solution to live a comfortable home life. This paper presents the remote monitoring of human body temperature (HBT) wirelessly by means of Arduino controller with different sensors and open source internet connection. The proposed monitoring system uses an internet network via wireless fieldity (wifi) connection to be linked with online portal on smart phone or computer. The proposed system is comprised of an Arduino controller, LM-35 (S1), MLX-90614 (S2) temperature sensors and ESP-wifi shield module. The obtained result has shown that real time temperature monitoring data can be transferred to authentic observer by utilizing internet of things (IoT) applications. The findings from this research indicates that the difference of average temperature in between Sensor S1 and S2 is about 15 0 C

29 citations


Journal ArticleDOI
TL;DR: Results showed the low cost-effective weather station with monitoring system by using ZigBee communication technique has no delay and the data reputedly changing ever second with the new reading.
Abstract: This paper presents low cost-effective weather station with monitoring system by using ZigBee communication technique that serves as a communication channel by using hardware and sensors to transmit and receive data in the weather station system. Using ZigBee over the Bluetooth for the short coverage distance about (1-10 m) and over the (WLAN) (wireless local area network) or Wi-Fi, a WLAN has limitation like delay, lacking BW of the handover of a large amount of data, and some areas have no internet coverage. The system includes implementation and design for the weather station using Arduino Uno board and five sensors gives sixth reading data (rain state, wind level, air pressure, dust density, temperature and humidity). The data can be stored in SD card on receiving (clouding and main processing side) from more than one transmitter node (ZigBee Network). It can be retrieved the data in any time and date. Results showed the system has no delay and the data reputedly changing ever second with the new reading.

26 citations



Journal ArticleDOI
TL;DR: Applications of the Arduino platform in the mining industry were reviewed and it was found that Arduino can be a useful tool as an initial prototype for autonomous mine systems.
Abstract: In this study, applications of the Arduino platform in the mining industry were reviewed. Arduino, a representative and popular open-source hardware, can acquire information from various sensors, transmit data using communication technology, and control devices through actuators. The review was conducted by classifying previous studies into three types of Arduino applications: field monitoring systems, wearable systems, and autonomous systems. With regard to field monitoring systems, most studies in mines were classified as atmospheric or geotechnical monitoring. In wearable systems, the health status of the miner was an important consideration, in addition to the environmental conditions of the mine. Arduino can be a useful tool as an initial prototype for autonomous mine systems. Arduino has advantages in that it can be combined with various electronic products and is cost-effective. Therefore, although many studies have been conducted in the laboratory (as opposed to field tests), Arduino applications can be further expanded in the mining field in the future.

22 citations


Journal ArticleDOI
TL;DR: This paper presents a novel control laboratory project that provides hands‐on experience in feedback control concepts (embedded control systems) through dedicated assignments, with a particular focus on the design and implementation of fuzzy control.
Abstract: This paper presents a novel control laboratory project that provides hands‐on experience in feedback control concepts (embedded control systems) through dedicated assignments, with a particular focus on the design and implementation of fuzzy control. The project is structured around an inexpensive, portable self‐balancing robot (SBR), whose embedded system is realized using commercially available breakout boards as the first assignment. For the stabilization of the plant, students are guided to execute the essential stages of control system design, from system modeling and parameter optimization, over basic or advanced control strategy design in the MATLAB/Simulink environment, to both implementation and validation of the closed loop on the real robot. To demonstrate and foster the application of fuzzy logic, the second part of the paper introduces a simple control strategy based on fuzzy logic controllers. Then, a lookup table‐based implementation technique is described for the demonstration of manual interfacing and embedded coding of fuzzy control strategies. The proposed methods are clear and straightforward; they highly foster the understanding of feedback control techniques and allow students to gain vast knowledge in the practical implementations of control systems.

21 citations


Journal ArticleDOI
TL;DR: It will be shown that TCLab as an Arduino based portable kit, provides an excellent means to test digital controllers, as it is a compact and portable lab to be used by lecturers and students.

21 citations


Proceedings ArticleDOI
17 Jul 2020
TL;DR: The experimental results of using the proposed Arduino based smart home warning system show that a variety of undesired events can be detected efficiently and users get notified about them via SMS messages, emails with attached pictures, etc.
Abstract: The need for smart home warning systems is in high demand nowadays as they are used to warn owners about undesired situations that could happen while they are far away from their homes. This paper aims to present the design and implementation of an Arduino based smart home warning system. In this system, Arduino Uno microcontroller has been used with several compatible sensors (DHT22, MQ2, and camera), actuators (buzzer and relays with attached water valve, air fan, and light bulb), and GSM as a wireless communication medium to enable the interaction between users and the proposed system. The experimental results of using the proposed system show that a variety of undesired events can be detected efficiently. Fire, gas leakage, and housebreaking situations can be detected and users get notified about them via SMS messages, emails with attached pictures, etc. Besides, some proper actions can also be performed by the proposed system including stopping fire via water and decreasing gas concentration via air ventilation. The proposed system is very useful to prevent losses in resources and human life caused by unwanted events.

20 citations


Proceedings ArticleDOI
13 May 2020
TL;DR: An IoT device is made which locates the exact GPS coordinates of the patients to the server, and using the web interface on the server and Google Maps, doctors and hospital staff can track the exact location of the patient and serve him.
Abstract: Internet of Things (IoT) is the technology that helps in communication between machines, circuits, and different types of devices This feature has applications in the health care industry to benefit as sensors, actuators, and hardware support the technology behind IoT In the health care sector, in case of an emergency, it is very crucial to know the exact location of the patient so that different critical health care services can be made available at the right time and place This problem can be solved by using GPS coordinates In this paper, an IoT device is made which locates the exact GPS coordinates of the patients to the server Moreover, using the web interface on the server and Google Maps, doctors and hospital staff can track the exact location of the patient and serve him This system made can also be used on wild animals, school students and transport services where the location is an essential parameter The system is made using sensors like GPS Neo 6m, Arduino, GSM Sim800L Here, different IoT platforms, Different IoT tools, sensors, different programming libraries, APIs usages, server hosting and needed AT commands with website interface are implemented and discussed in detail to make a low-cost GPS tracker

19 citations


Proceedings ArticleDOI
01 Jan 2020
TL;DR: By presenting a simple yet reliable system, gas leakage detection system using MQ5 gas sensor and arduino uno controller is incorporated with a cloud storage for data collection and also used for storing and analyzing data.
Abstract: In the past few years there is a rise in home automation systems which benefits the need for people using methods of Internet of Things (IoT). The main idea of this paper is to carry out the literature review on IoT based gas detection techniques and to ensure the safety of people and surroundings. By presenting a simple yet reliable system, gas leakage detection system using MQ5 gas sensor and arduino uno controller is incorporated with a cloud storage for data collection and also used for storing and analyzing data. Gas leaked is converted from Parts Per Million (PPM) to volts through the arduino IDE and results in notifying the user when the threshold limit is crossed. The user is alerted via an application for quick notification through the internet and also through a buzzer /LED for physical notification.

DOI
20 Sep 2020
TL;DR: The results showed that applications on Smartphones can communicate with Arduino Mega 2560 with a distance of 25 meters if there is no barrier, and 15 metersif there is a barrier.
Abstract: The control of the fan in the classrooms of the Ekatama Tourism Pekanbaru SMKS still uses a rope as a speed controller or manual. To simplify the control of fans in the classroom, a Fan Control Device Using an Arduino Mega 2560 Microcontroller and an Android-Based DHT22 Sensor. The whole tool is divided into several parts which consist of Smartphone, Arduio Mega 2560 Microcontroller, DHT22 Sensor, Bluetooth HC-06, 4ch Relay Module, LCD 1602, 1K Resistor, XL4005 Step Down, Power Supply 12V 3A, LED Diffused, Push Button, and DC fan. This tool works when a Bluetooth Smartphone connects to Bluetooth HC-06, from Bluetooth HC-06 then to a microcontroller to process commands, from a microcontroller then to a Relay module that works as a substitute for a switch that functions to activate and deactivate the fan according to the desired speed. The application of this tool can also work with manual or automatic functions. The results showed that applications on Smartphones can communicate with Arduino Mega 2560 with a distance of 25 meters if there is no barrier, and 15 meters if there is a barrier.

Journal ArticleDOI
TL;DR: This paper proposes to adopt arduino as the main controller, combine with the infrared inductive sensor and the light sensor, the wifi network is used as the communication mode, and the delay, turn-off control and dimming functions can be automatically realized according to the detection condition of the sensor.

Proceedings ArticleDOI
20 Jun 2020
TL;DR: This research has developed a prototype system to monitor remotely a room temperature and humidity condition and it is a significant study that performs on new IoT platforms and adaptively ready to monitor a room remotely.
Abstract: This paper presents the development of a ThingSpeak IoT on Real Time Room Condition Monitoring System with temperature and humidity measured for room condition. Many conditions like temperature and humidity monitoring systems have been designed previously but some lack systems are identified where it does not provide adaptively connections and alert to webpages on logging data collections. Thus, understanding the previous system model is important to compare the importance of new build parameters in designing the new system. An evaluation of the current model, hardware and software are important before a new architecture is developed. This research has developed a prototype system to monitor remotely a room temperature and humidity condition. The designed system assisted with an internet monitoring system for the room. Research methods consist of two parts involved hardware and software development. The hardware development covers the connections of temperature sensor and the software involved constructed coding using the C language program. The program then is compiled and uploaded into the Arduino MEGA 2560 to display the temperature of the room. An open-source Internet of Things called ThingSpeak is used as a platform to retrieve and display the collected data. Real-time monitoring can be accessed through smartphones and web applications. A room is analyzed in data gathering on time and daily basis conditions. This study has been considered successfully implemented and it is a significant study that performs on new IoT platforms and adaptively ready to monitor a room remotely.

Journal ArticleDOI
TL;DR: The purpose of this paper is to understand the advantages and challenges of adopting IoT-based Precision Farming for monitoring and automation.
Abstract: The 21st century became the beginning of the development of information technology, where one of the revolutions was the presence of the Internet of Things. Internet of Things or abbreviated as IoT is a technology that combines electronic devices, sensors, and the internet to manage data and applications. The Internet of Things can be adopted in agriculture for crop management as a media for monitoring and controlling, especially in greenhouses and is called Precision Farming. The application of precision farming will be more effective in a greenhouse because it is easier to engineer similar environmental conditions. IoT development in greenhouses is using Arduino Microcontroller or Raspberry Pi Microcomputer. These devices are used because the price is low and easy to get on the market and can be designed so that technicians who have limited information technology knowledge can run it. To be able to manage greenhouses with IoT requires sensors as five senses that can detect changes that occur in the greenhouse. By using sensors, the hardware can detect what is happening in the greenhouse and make decisions based on the data acquired. Some sensors that are often used in Precision Farming are temperature and humidity sensors, soil moisture sensors, and light sensors. In the Internet of Things, the data that has been acquired by the hardware will then be transmitted wirelessly. The wireless connections used are Bluetooth, ZigBee Protocol, and Wi-Fi, where Bluetooth and Zigbee connections have a short distance between 10 - 100 meters, while Wi-Fi has a longer distance especially when connected to the Internet. The purpose of this paper is to understand the advantages and challenges of adopting IoT-based Precision Farming for monitoring and automation.

Proceedings ArticleDOI
01 Feb 2020
TL;DR: This study aims to create a wireless hand gestured controlled fan that has been effective and possible using the coordinates produced by the Bluetooth and gyroscope axis.
Abstract: Wireless communication may be between humans or machines is very much prevailing at these times. One of the most known methods is the use of Bluetooth. Bluetooth is perfect for short-range wireless communication and is a feature that can be found on phones, computers, and other electronic devices. In this study, it aims to create a wireless hand gestured controlled fan. The Bluetooth module is the main component used for transmitting and receiving information. The study used a gyro sensor in order to determine the change in coordinates of the hand in which the speed of the rotation of the fan will be dependent on it. It is connected to a microcontroller, specifically an Arduino in which coded functions have been used. Hand gesture recognition has been done with an overall testing accuracy of 98.61%. Wireless hand gesture fan speed control system has been effective and possible using the coordinates produced by the Bluetooth and gyroscope axis.

Journal ArticleDOI
TL;DR: A system which could help people to work and operate without directly using hands or contacting by hands, is proposed and demonstrated and could be really useful for the users who work in dangerous conditions, hazardous environment or require remote operation for safety reasons.
Abstract: Hand gesture recognition is an emerging field of technology in robotics and human-computer interaction. It has tremendous applications in daily life activities and intelligent workplaces. In this study, a system which could help people to work and operate without directly using hands or contacting by hands, is proposed and demonstrated. This system composed of a glove with flexible force sensors and a 3D printed robotic forearm. The user wearing the glove could control the action of the 3D printed robotic forearm. The 3D printed forearm simultaneously acted following the motion of the glove. The 3D printed forearm was composed of 46 individual parts that were printed with white biodegradable polylactic acid (PLA). Electronic components in the system are five flex sensors, a master Arduino Nano, a slave Arduino Nano, a wireless NRF24L01 transmitter module banding on the glove, a second wireless NRF24L01 receiver module in the forearm and five motors. The five flex sensors on the fingers of the glove detected and collected the signals reflecting the movements of the hands. The Arduino Nano processed the signals from the flex sensors and sent them through the wireless transmitter module to the slave Arduino Nano. In order to control the action of the robotic forearm, it was embedded with a slave Arduino Nano as a control kernel, a wireless NRF24L01 receiver module and five actuators. The slave Arduino Nano received and processed the signals through the wireless receiver module. After that, the signals were sent to the actuators- servo motors. The fingers’ action in the robotics arm was executed with the actuators. After carefully testing the system, the robotic arm followed the action correctly with a maximum 0.133 ms time delay all the time. This system could be really useful for the users who work in dangerous conditions, hazardous environment or require remote operation for safety reasons.

Journal ArticleDOI
TL;DR: In this paper, an automatic control system of solar irrigation implemented practically using Arduino board is applied in the garden of Engineering Technical College- Mosul (city in Iraq), which can be adjusted by many regions in Iraq where it planned to connect on small part of land.
Abstract: In recent years, the best system of irrigation is studied by reducing the wasted amount of water and electricity. Automatic irrigation is the use of a device to operate irrigation structures so the change of flow of water from one bay, or set of bays, to another can occur in the absence of the irrigator. In this work, automatic control system of solar irrigation implemented practically using Arduino board. This photovoltaic (PV) system is applied in the garden of Engineering Technical College- Mosul (city in Iraq). PV system can be adjusted by many regions in Iraq where it planned to connect on small part of land. Irrigation process is controlled depending on moisture sensor that connected to sense the soil moisture and giving data to Arduino read pin. According to the program that uploaded to Arduino, DC pump can be controlled as ON-state or OFF-state as respect to the soil moisture percentage ratio. Finally, the practical results are approximately similar to that obtained from proteus Arduino simulator.


Proceedings ArticleDOI
28 Jul 2020
TL;DR: The details of implementation and experimentation results of an environmental monitoring system where the temperature and humidity data are transferred through wireless data communication using RF module nRF24L01, DHT11 sensor and arduino Uno.
Abstract: This paper mainly focuses on establishing a wireless communication to transmit and receive the temperature and humidity monitoring data in wireless mode by interfacing arduino and RF module nRF24L01. In recent advancements the wireless communication plays a vital role to make the system faster and easier. In real time application, analog data measurement with human effort may causes error and difficult to store the precious values of parameters. To overcome this problem there is a demand for smart system with automation to monitor all the environment factors. Besides, the smart system should be accurate, reliability and cost effective. In this proposed monitoring system the temperature and humidity data are transferred through wireless data communication using RF module nRF24L01, DHT11 sensor and arduino Uno. Finally the actual temperature and humidity is going to be displayed on the 16*2 LCD with the arduino Uno, nRF24L01 module are interfaced. By this method the wireless communication can be implemented with less price and low consumption of the power. This paper provides the details of implementation and experimentation results of an environmental monitoring system.

Journal ArticleDOI
TL;DR: This paper presents a performance evaluation of the development of the instrumentation, communications and control systems of a two-tank process by using low-cost hardware and open source software to determine whether these technologies could be enabling factors of IIoT.
Abstract: This paper presents a performance evaluation of the development of the instrumentation, communications and control systems of a two-tank process by using low-cost hardware and open source software. The hardware used for automating this process consists of embedded platforms (Arduino and Raspberry Pi) integrated into programmable logic controllers (PLCs), which are connected to a supervisory control and data acquisition (SCADA) system implemented with an open source Industrial Internet of Things (IIoT) platform. The main purpose of the proposed approach is to evaluate low-cost automation solutions (hardware and software) within the framework of modern industry requirements in order to determine whether these technologies could be enabling factors of IIoT. The proposed control strategy for regulating tank levels combines the classic PID algorithm and the fuzzy gain scheduling PID (FGS-PID) approach. Fault detection capabilities are also enabled for the system through a fault detection and diagnosis module (FDD) implemented with an extended Kalman filter (EKF). The distributed controller’s (DC) algorithms are embedded into the PLC’s processors in order to demonstrate the flexibility of the proposed system. Additionally, a remote human to machine interface (HMI) is deployed through a web client of the IIoT application. Experimental results show the proper operation of the overall system.

Journal ArticleDOI
TL;DR: Four modules, such as ultrasonic obstacle avoidance module, motor drive module and power module, have designed a good control scheme, thus realizing the intelligent tracking and obstacle avoidance function of the wheeled robot.

Journal ArticleDOI
TL;DR: This paper introduces a modular approach to design and to integrate low-cost force sensors directly into 3D printed robot parts, based on off-the-shelf optical sensors embedded into deformable structures.
Abstract: Force sensing is essential for many manipulation tasks and, more generally, for all robots physically interacting with their environment. While multi-axis force/torque sensors are readily available commercially, their cost and complex integration have so far limited a wide deployment. In this paper, we introduce a modular approach to design and to integrate low-cost force sensors directly into 3D printed robot parts. Based on off-the-shelf optical sensors embedded into deformable structures, sensitivity and load capacity can be selected from a wide range. A working six-axis sensor, including electronics, can be built for less than 20 dollars, plus a few hours of 3D printing. We present tested example designs for sensors of different complexity, from a basic one-dimensional deflecting beam to six-axis sensors with custom shapes. We summarize the basic sensor layout geometries, explain key 3D printing and integration aspects, discuss sensor calibration, and describe our Arduino firmware and ROS-based drivers.

Proceedings ArticleDOI
01 Aug 2020
TL;DR: This research proposes an IoT-trainer design that offers seven simple experiments to understand IoT concepts, which classified into three aspects: IoT devices, connectivity, and cloud or application system.
Abstract: Extensive implementation of Internet-of-Things (IoT) systems increases the needs of IoT engineers. However, some available IoT-trainer modules, which needed to equipped engineers with IoT skills, are quite expensive and exclusive for private institutions. This research proposes an IoT-trainer design that offers seven simple experiments to understand IoT concepts, which classified into three aspects: IoT devices, connectivity, and cloud or application system. All devices are available and purchasable from the market, low-price, and easy to configure: ESP8266 (NodeMCU-12E, and ESP-01), Arduino Uno, and Xbee. Moreover, the platforms that we use to tunnel a network and processing data are also open source: Ngrok, ThingSpeak, and 000webhost. By exploiting this simple, inexpensive IoT-trainer design and experimenting with those seven scenarios, learners can study the basic concept of IoT as infrastructure.

Journal ArticleDOI
TL;DR: An innovative complete car control system against children abandonment in unattended vehicles that implements a microwave motion sensor, two infrared sensors, a carbon dioxide sensor, a temperature/humidity Sensor, a vocal detector and a micro-camera is described.
Abstract: This study describes an innovative complete car control system against children abandonment in unattended vehicles. Even if systems of this kind are already available in the automotive market, other solutions are currently object of intense researches by several important Research and Development centres or under patent procedure. In this study, a description of the technologies already adopted in the currently used car control systems and in those that are in research and testing phase too is provided. Then, it will be introduced to the proposed control system, which enables to improve all the described systems by providing innovative technologies and functionalities. The proposed system implements a microwave motion sensor, two infrared sensors, a carbon dioxide sensor, a temperature/humidity sensor, a vocal detector and a micro-camera. These acquisition devices are connected to a microcontroller board that is able to combine all acquired data for detecting the alarm scenario and consequently acting some warning procedures: alarm short message service transmission with vehicle Global Positioning System position, vehicle's horn activation and/or car windows lowering. Thanks to such a wide set of sensors, the system can correlate the acquired information in order to ensure a good detection capability in every condition in which it can operate.

Journal ArticleDOI
TL;DR: The project discusses the development of two-axis solar-tracking developers using Arduino Uno as main controller the system, which generates more power, voltage and current than a single axial solar tracker.
Abstract: This project aims to develop dual axis solar tracker with IOT monitoring system using Arduino. Generally, solar energy is the technology to get useful energy from sunlight. Solar energy has been used in many traditional technologies over the centuries and has been widely used in the absence of other energy supplies. Its usefulness is widespread when awareness of the cost of the environment and the supply is limited by other energy sources such as fuel. The solar tracking system is the most effective technology to improve the efficiency of solar panels by tracking and following the sun's movement. With the help of this system, solar panels can improve the way of sunlight detection so that more electricity can be collected as solar panels can maintain a sunny position. Thus the project discusses the development of two-axis solar-tracking developers using Arduino Uno as main controller the system. For develops this project, four light-dependent resistors (LDRs) have been used for sunlight detection and a maximum light intensity. Two servo motors have been used to rotate the solar panel according to the sun's light source detected by the LDR. Next a WIFI ESP8266 device is used as an intermediary between device and IOT monitoring system. The IOT monitoring system is a website that functions to store data. The efficiency of this system has been tested and compared with a single axial solar tracker. As a result, the two-axis solar tracking system generates more power, voltage and current.

Journal ArticleDOI
01 Mar 2020-Heliyon
TL;DR: This work presented a methodology for easy calorimeter construction based in Arduino data acquisition device for introductory chemical laboratories, and used an LM35 transistor as a temperature sensor connected to an Arduino UNO microcontroller for temperature sensing and an aquarium air pump for agitation of reaction system.


Proceedings ArticleDOI
24 Jun 2020
TL;DR: Narrowband Internet of Things network (NB-IoT) will be used to transfer data to MySQL database server via Constrained Application Protocol (CoAP), which will be very beneficial for many who depend on weather data as part of their everyday lives.
Abstract: The goal of this work is to design and implement a weather station prototype which can monitor and collect weather data. The weather station used Arduino board and other devices which have ability to measure temperature, humidity, wind speed and direction, ozone gas, atmospheric pressure and rainfall data. The system focused on wide range of IoT devices, inexpensive, endurance of battery life, and connection density. Therefore, Narrowband Internet of Things network (NB-IoT) will be used to transfer data to MySQL database server via Constrained Application Protocol (CoAP). Received data can be displayed using Grafana (Open source visualization and analytics software) on a personal computer. Thus, this system will be very beneficial for many who depend on weather data as part of their everyday lives.

Journal ArticleDOI
TL;DR: This study presents a system that combines a conventional refrigerator, microcontrollers and a smart phone to create an inventory monitoring that can monitor the stocks inside the refrigerator wirelessly by accessing an Android application.
Abstract: This study presents a system that combines a conventional refrigerator, microcontrollers and a smart phone to create an inventory monitoring that can monitor the stocks inside the refrigerator wirelessly by accessing an Android application. The developed refrigerator uses a sensor network system that is installed in a respective compartment inside the refrigerator. Each sensor will transmit data to the microcontrollers, such as Arduino Yun and Arduino Uno, which are interconnected by the I2C communications. All data and images will be processed to provide the user an Internet of Things application through the cloud-based website Temboo. Temboo will have access to send data to the Dropbox. A smartphone is connected to the Dropbox where all the data and images are stored. The user can monitor the stocks or contents of the refrigerator wirelessly using an Android Application.