• Title/Summary/Keyword: bluetooth smart

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A Study on Tools for Agent System Development (음주측정 스마트키)

  • Choi, Kang-Hyeon;Yu, Jong-Won;Yu, Kang-Hyeon;Joo, Dong-Chul;Park, Hyun Joo;Park, Dae Woo
    • Proceedings of the Korea Information Processing Society Conference
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    • 2019.10a
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    • pp.172-175
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    • 2019
  • South Korea's per capita alcohol consumption ranking is 14th in the world, but it ranks first in the world for binge drinking. In society, dining and dining culture is developed, which leads to drinking. He often puts his hands on the wheel in a relaxed way after drinking. To prevent this situation from happening in advance, a Bluetooth module is installed in the aduino circuit to transmit the measured alcohol level to the smartphone and measure the blood alcohol level.

Research of Customized Electric Wheelchair Control System using NFC on Mobile Device Environment (모바일 디바이스 환경 기반의 NFC를 이용한 사용자 맞춤형 전동 휠체어 제어 시스템 연구)

  • Park, Sanghyun;Kim, Jinsul
    • Smart Media Journal
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    • v.4 no.2
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    • pp.17-25
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    • 2015
  • In this paper proposes an idea for using NFC(Near Field Communication) on smalt mobile devices, you can easily control the electric wheelchair system. In this system with previous researches controlled a power wheelchair in a mobile device using Bluetooth communication, the board communicates with the integrated control of the wheelchair. With smart mobile devices, the wheelchair control board integrating the signal generated by checking real time so that the user can easily monitor the state of the wheelchair. Users are using smalt mobile devices, the wheelchair can be controlled easily, and the setting at any time according to the state of the individual and can be used. HEX format control is directly in hardware, allowing analysis was read, the user settings are typically used to match cards which support NFC technology such as bus card for registration, storing the selected information and enable read and were applicable. By applying this system, wheelchairs oriented aids disabled and older people able to access to provide with stability.

Study on the Design Method of the Energy Harvesting Smart Sensor for Implementing IoT Service (IoT 서비스 구현을 위한 에너지 하베스팅 Smart Sensor 설계 방안 연구)

  • Jang, Ho-Deok
    • The Journal of Korea Institute of Information, Electronics, and Communication Technology
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    • v.11 no.1
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    • pp.89-94
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    • 2018
  • This paper investigated the design method of the smart sensor for implementing IoT (Internet of Things) service. The power supply of sensor consistently acquisting data is based on the energy harvesting technology and designed with piezoelectric transducer not affected by surrounding circumstances. The wireless communication interface for the transmission of data is designed with BLE (Bluetooth Low Energy). BLE is highly adequate wireless communication technology for low power consumption and short distance wireless communication. The main application of BLE is beacon whose usage range is extended from O2O (Online to Offline) service, navigator based on indoor positioning technology, and anti-theft/lost child prevention service to mobile game. This paper studied the method to extend wireless coverage for complementing the short wireless transmission distance of BLE. The wireless sensor network based on CATV network is proposed for the easy construction of BLE sensor network and extended wireless coverage.

A Study on Remote Automatic Flipped System for Music Score Based on IoT (사물인터넷(IoT)기반한 원격 악보 넘기기 시스템 연구)

  • Kang, Ki-ho;Lee, Young-Suk
    • Journal of Digital Contents Society
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    • v.19 no.2
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    • pp.259-267
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    • 2018
  • In this study, we study the system to remotely transmit musical score based on Internet of Things(IoT). When musicians play music, they occasionally use the instrument and the musical score at the same time. At this time, the degree of immersion in music is reduced. In order to solve this problem, this paper proposes automatic sheet page turning system based on Internet of Things(IoT). The system can be remotely adjusted using the foot without using the hand. The system consists of a Wireless Smart Button equipped with Bluetooth and an application capable of operating the Wireless Smart Button. The Wireless Smart Button used Arduino based open source. We designed an application(App) to utilize it and proposed an intuitive UI.

Attendance-Absence Management System based Mutual Cooperation using Smart Device (스마트기기를 이용한 상호협력기반 전자출결 시스템)

  • Jeong, Pil-Seong;Cho, Yang-Hyun
    • Journal of the Korea Convergence Society
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    • v.12 no.1
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    • pp.19-27
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    • 2021
  • With the development of information and communication technology and the increasing use of smart devices, universities are using an electronic attendance-absence management system using smart devices to facilitate efficient attendance management. Currently, the electronic attendance-absence management system has the disadvantage of causing an error in attendance when the Wi-Fi connection is not well established because the student's smartphone independently conducts electronic attendance, and it is difficult to manage attendance because the real-time push message transmission function is excluded. In this paper, we propose an electronic attendance-absence management system to prevent irregular attendance, provide real-time attendance results, and solve delays in attendance processing due to Wi-Fi connection problems. The proposed system can prevent delays in attendance processing as a result of irregular attendance because the instructor's smartphone processes proposed system using the Bluetooth communication function of the instructor's smartphone and the students' smartphone. In addition, it has the advantage of being able to notice management result in real time with the push message server.

Design of Sensor-based Healthy Diet App for Smartphones (스마트 폰을 위한 센서기반 건강 다이어트 어플의 설계)

  • Oh, Sun-Jin
    • The Journal of the Institute of Internet, Broadcasting and Communication
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    • v.14 no.4
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    • pp.141-147
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    • 2014
  • With the rapid development of major functions in a smartphone, many applications interacting with a smartphone are introduced and mobile applications converged with various related technologies are announced and rapidly disseminated recently. In this paper, we propose the design of a smart mobile application operated with devices like sensors in order to utilize various functions of the smartphone effectively. The mobile application proposed in this paper uses the bluetooth module of the smartphone, composes the wireless ad hoc network with various sensors around us, and collects bionic context information of the user in real time. The smart application designed and implemented in this paper is the sensor based healthy diet application that can fulfill healthy diet program by reflecting the user's sensed bionic context data in real time.

A Low Power Consumption Management Scheme Based on Touch & Play for Smart Memory Tags (스마트 메모리 태그를 위한 Touch & Play 기반 저전력 소모 관리 기법)

  • Yun, Young-Sun;Ha, Sunju;Son, Kyung A;Eun, Seongbae
    • IEMEK Journal of Embedded Systems and Applications
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    • v.12 no.3
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    • pp.131-138
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    • 2017
  • QR/NFC tags have been utilized in various fields like exhibition, museum, and so on, but they have a drawback that they are read-only fundamentally. We devise a novel device called a smart memory tag (below mem-tag) which is supplemented with the write function through combining a flash memory into a NFC tag. A mem-tag is composed of an NFC tag, an MCU, a flash memory, a bluetooth module, and a battery, and is inter-operating with smartphones via bluetooth communication. It can be used in a bulletin board to support writing replies and in a check-in service to verify the presence of the site. What matters is that users' inter-operations are borne to be asynchronous, which leads to the energy consumption to wait for users' actions. Sleep mechanisms and asynchronous MAC protocols used in ubiquotous sensor networks cannot avoid the consumption of battery. In this paper, we propose a touch and play scheme for minimizing the consumption of battery that the MCU wakes up and PLAY when a user TOUCH the mem-tag. We implemented the system to show that our scheme lets the mem-tag work 50 times longer than the sleep and wake-up scheme.

Visible Light Identification System for Smart Door Lock Application with Small Area Outdoor Interface

  • Song, Seok-Jeong;Nam, Hyoungsik
    • Current Optics and Photonics
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    • v.1 no.2
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    • pp.90-94
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    • 2017
  • Visible light identification (VLID) is a user identification system for a door lock application using smartphone that adopts visible light communication (VLC) technology with the objective of high security, small form factor, and cost effectiveness. The user is verified by the identification application program of a smartphone via fingerprint recognition or password entry. If the authentication succeeds, the corresponding encoded visible light signals are transmitted by a light emitting diode (LED) camera flash. Then, only a small size and low cost photodiode as an outdoor interface converts the light signal to the digital data along with a comparator, and runs the authentication process, and releases the lock. VLID can utilize powerful state-of-the-art hardware and software of smartphones. Furthermore, the door lock system is allowed to be easily upgraded with advanced technologies without its modification and replacement. It can be upgraded by just update the software of smartphone application or replacing the smartphone with the latest one. Additionally, wireless connection between a smartphone and a smart home hub is established automatically via Bluetooth for updating the password and controlling the home devices. In this paper, we demonstrate a prototype VLID door lock system that is built up with LEGO blocks, a photodiode, a comparator circuit, Bluetooth module, and FPGA board.

A Game System Design for Local Wireless Network using Zigbee Technology (지그비 기술을 이용한 근거리 무선 네트워크 게임 시스템 설계)

  • Kang, Sung-Kwan;Kim, Kwan-Woong;Kim, Hong-Ki;Ahn, Tae-Hong
    • Journal of Korea Game Society
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    • v.11 no.6
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    • pp.95-102
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    • 2011
  • At present, with the rise of smart-phone market supported the Wi-Fi, smart-phone based network content has propagated rapidly. But, network content service is difficult in feature phone and multimedia device not supporting the Wi-Fi or supporting only the bluetooth. This paper was used the zigbee technology supporting low power, low cost, availability, multi channel, broadcasting compared to the bluetooth or Wi-Fi. It will provide a variable network game development by utilizing the zigbee technology. Also, it is provide the development of variable mobile network contents using the zigbee.

A Study on Improvement of Living Environment using Bluetooth (블루투스를 이용한 거주환경 개선에 관한 연구)

  • Choi, Jae-Ho;Kim, Boon-Do;Ju, Hyung-Yul;Kim, Nam-Ho
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2015.10a
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    • pp.545-548
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    • 2015
  • As society is evolving into a highly smart era, a demand on convenient and safe living environment is increasing and many studies are being progressed in the directions of seeking convenience, safety and comfort in living. Therefore in this paper, a method for controlling the devices within the living space using a smart device and transmitting the information measured from a variety of sensors such as temperature, humidity and gas, etc using the Bluetooth was proposed in order to provide the convenience and safety of living environment.

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