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Bluetooth controlled home appliances
This document describes a Bluetooth-based home appliance system that allows appliances to communicate wirelessly in a network. It uses a Bluetooth module to connect appliances like lights and fans to an Android phone. The system is powered by a 5V regulated power supply and uses an 8051 microcontroller and relays to control the appliances. Programming is done using the Kiel Vision software. The Bluetooth system provides a low-cost and wireless way to remotely control home appliances through an Android phone.
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Bluetooth controlled home appliances
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- 2. BLUETOOTH BASED HOMEAPPLIANCE SYSTEM Group Members: Adarsh Kumar Ajeet Pal Anish Kumar Yadav Akanksha Singh Mentor: Shiv Narayan Gupta
- 3. INTRODUCTION Realize the conceptof a smart home. Wireless home network . Appliances can communicate with each other in network. Use in a cost-effective manner. Provide secured network.
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- 6. INTRODUCTION TOBLUETOOTH Bluetooth Technology is standard for short-range radio communication. It is a low cost bi-directional (2 ways) wireless interface between mobile devices that provides low power consumption. Bluetooth Transceiver referring to Bluetooth Transmitter and Receiver and every Bluetooth node have Bluetooth Transceiver. The aim is to eliminate the usage of cables. Bluetooth system operates in worldwide unlicensed 2.4GHz Industrial-Scientific-Medical (ISM) frequency band. Bluetooth devices can form a network.
- 8. • BLUETOOTH MODULE(HC-05): HC-05module is an easy to use Bluetooth SPP (Serial Port Protocol) module, designed for transparent wireless serial connection setup. Serial port Bluetooth module is fully qualified Bluetooth V2.0+EDR (Enhanced Data Rate) 3Mbps Modulation with complete 2.4GHz radio transceiver and baseband. It uses CSR Bluecore 04-External single chip Bluetooth system with CMOS technology and with AFH(Adaptive Frequency Hopping Feature).
- 9. 8051 Basic Microcontroller Introducedin 1981 by Intel corp. 8 bit microcontroller 4K bytes internal ROM 128 bytes internal RAM Four 8-bit I/O ports (P0 - P3). All four ports are bidirectional Max. of 64k bytes of on chip ROM
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- 12. HARDWARE DISCRIPTION POWER SUPPLY: •A device or system that supplies electrical or other types of energy to an output load or group of loads is called a power supply unit or PSU. • Here in our application we need a 5v DC power supply for all electronics involved in the project. • This requires step down transformer, rectifier, voltage regulator, and filter circuit for generation of 5v DC power.
- 13. UART • UARTs(Universal Asynchronous Receiver Transmitter) are serial chips on your PC motherboard (or on an internal modem card). • The UART function may also be done on a chip that does other things as well.
- 14. RELAY • The relaytakes advantage of the fact that when electricity flows through a coil, it becomes an electromagnet. • The electromagnetic coil attracts a steel plate, which is attached to a switch. • So the switch's motion (ON and OFF) is controlled by the current flowing to the coil, or not, respectively.
- 15. ABOUT KIEL UVISION5 Keil Software to provide you with software development tools for 8051 based microcontrollers. With the Keil tools, you can generate embedded applications for virtually every 8051 derivative. Keil software converts the C-codes into the Intel Hex code.
- 16. ADVANTAGES AND DISADVANTAGES Embedded systems are designed to do some specific task, rather than be a general-purpose computer for multiple tasks. Bluetooth is actually inexpensive. Low energy consumption. The only real downsides are the data rate and security. Bluetooth only offers 1 MBps speed.