Smart Home Automation And security System
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This document discusses using internet of things (IOT) for home automation and security systems. It describes using voice commands, remote control, motion sensors, and other components like Arduino, Bluetooth, and sensors to control lighting, air conditioning, appliances. Potential limitations are discussed like unreliable sonar sensors or needing an internet connection. Future work focuses on upgrading components and simplifying the setup process.
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PO BoX - 233464, UAE
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and reliably from the production level into the ERP system by cascading OPC-UA components.Embedded OPC-UA servers at field device level and integrated OPC-UA clients in ERP systems at the enterprise level are directly connected with one another. The IIoT can greatly improve connectivity, efficiency, scalability, time savings, and cost savings for industrial organizations. Companies are already benefitting from the IIoT through cost savings due to predictive maintenance, improved safety, and other operational efficiencies. IIoT networks of intelligent devices allow industrial organizations to break open data silos and connect all of their people, data, and processes from the factory floor to the executive offices.
Low cost smart board
This document describes how to set up a Wiimote smartboard using a Wii remote, IR pen, Bluetooth adapter, projector, and computer. The IR pen emits infrared signals that the Wii remote detects and sends to the computer to control the cursor. Software like Smoothboard is needed to translate the Wii remote signals into mouse movements on the projected screen. The full kit costs around Rs. 7800 while individual components would be around Rs. 4500. Compatibility and integration challenges include using Bluetooth dongles and installing software on thin clients.
Elm wifi
This document summarizes the specifications and features of the ELM327 WiFi OBD2 auto scanner adapter. It can connect to iOS and other smartphone systems over WiFi. Key specs include an internal antenna, 50 foot range, 0.75 watt power consumption, and support for various auto protocols. It also lists common vehicle data parameters that can be monitored, and includes a CD drive, websites and social media links for the product.
CCTV Basic
Abbreviation
• What is CCTV
• Elements of CCTV system
• CCTV Camera Types
• DVR/NVR Back Side ports
• Cable
• BNC/DC Connectors/Pins
• Cable Connectors
• Used To Monitor Cable
• CCTV System's Block Diagram
• Wiring
• NVR Back Side Ports
• Connecting Method of PTZ Camera & IP Camera
• Digital transmission
• Configure IP Camera Network
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IRJEWT-An Intelligent Remote Controlled System for Smart Home Automation
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Blockchain
This presentation introduces blockchain technology. It provides an overview of blockchain and its history, how blockchain works through block structure and chain connections on a peer-to-peer network, technologies that power blockchain like decentralization and cryptography, applications of blockchain in areas like cryptocurrency, smart contracts, healthcare and supply chain, and advantages like transparency and security as well as disadvantages like complexity and human error. The presentation is delivered by a group with members Mariea Akter, Amit Kundu, Md. Zahid Hasan, and Khairul Alam Ovy.
Cache Memory
Cache memory is a type of memory that stores frequently accessed data closer to the processor for low latency access. There are different types of caches including local, replicated, distributed, remote, and near caches.
Direct mapping is a technique that maps each block of main memory to only one cache line. For a 64KB cache with 4 byte blocks and 16MB of main memory addressed with 24 bits, the address is split into a 2-bit word identifier, 8-bit tag, and 14-bit slot.
There are two policies for writing to cache - write-through always writes to both cache and main memory, while write-back only writes to cache and defers writing to main memory until the block is replaced
Automated Tools For System Analysis and Design
This document discusses automated tools for system analysis and design (CASE). It contains the following key points:
1. CASE tools are used to support and automate activities throughout the system development lifecycle to increase productivity and quality.
2. CASE tools can improve quality, speed, testing, documentation and project management of systems being developed. However, widespread adoption has been slower than expected due to costs, return on investment timelines, and functionality bottlenecks.
3. The document outlines categories of CASE products and tools, including diagramming tools, form/report generators, analysis tools, repositories, documentation generators, and code generators to support the system development process.
Android Operating System
The document provides information about Android, including:
- A brief history of Android starting as a modified version of Linux and being purchased by Google.
- An overview of Android features such as automatic Wi-Fi turning on and battery saving restrictions.
- Details on Android architecture including its Linux kernel, libraries, runtime environment, and applications layer.
- Lists versions of Android from 1.0 to the current 8.0 (Oreo).
- Highlights advantages like a large user base and app selection, and disadvantages like potential for advertisements and worse battery life.
Database project IDEA
This document outlines a proposed cafeteria management software created by a team of 4 students. It discusses problems currently faced by cafeteria owners, managers, customers and suppliers. The objectives of the software are to create a secure system with a clean UI to track orders, inventory, expenses and sales. The proposed approach includes building a basic UI with JavaFX, an integrated online database, and a versatile, modifiable software. The expected outcomes are improved tracking of products and customers, reduced staff needs, increased efficiency and record of financial growth. The document concludes by acknowledging potential obstacles but emphasizing benefits like experience, profit and inspiration for others.
Ipv4 & ipv6
The document discusses IP addresses and the differences between IPv4 and IPv6. It defines what an IP address is, its uses, and the classes and addressing in IPv4. It describes problems with IPv4 like limited address space. It then defines IPv6 addressing which uses 128-bit addresses written in hexadecimal, and types of IPv6 addresses. It lists advantages of IPv6 like larger address space and built-in security. Tables compare features of IPv4 and IPv6 like address space, header fields, and representation.
Unguided Media
This document discusses different types of unguided media used for wireless communication, including radio waves, microwaves, and infrared waves. It provides information on the electromagnetic spectrum ranges, propagation modes, antenna types, common usages, advantages, disadvantages, and dangers of each type of unguided media. Presenters and their member IDs are listed at the beginning.
Innovative Business Idea
This document outlines a business idea proposed by a group of six individuals to establish an IT firm in Bangladesh. The group provides details on their market research, which found opportunities in IT outsourcing and freelancing in Bangladesh. They propose a business model of completing local and government projects while also working on popular freelancing platforms. Cost estimates ranging from BDT 528,000 to 908,000 are provided for starting the business along with a 30 to 60 day timeline. A SWOT analysis identifies strengths in low costs and skills while noting weaknesses in innovation and internet speeds. Opportunities in market demand and few competitors are balanced with threats from lower cost imports and new entrants. The group believes the business could create jobs, inspire others
Intel core i7
The document provides information about the Intel Core i7 processor. It includes sections about the history, architecture, features, advantages, and disadvantages. Some key details are:
- The Intel Core i7 is a desktop CPU with 4 cores and 8 threads that can reach speeds up to 4.2GHz. It supports up to 64GB of RAM.
- Features include Turbo Boost, Hyper-Threading, integrated graphics, and virtualization technologies.
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DFS algorithm
The document discusses depth-first search (DFS) algorithms. It provides pseudocode for performing DFS on a graph and walks through an example of running DFS on a sample graph. It explains that DFS classifies edges in the original graph as tree edges, back edges, forward edges, or cross edges based on how vertices are encountered during the algorithm's execution.
Laplace transform
The document presents information about Laplace transforms including:
- The definition and properties of the Laplace transform. It transforms differential equations into algebraic equations.
- Examples of applications in solving ordinary and partial differential equations, electrical circuits, and other fields.
- Limitations in that it can only be used to solve differential equations with known constants.
- Conclusion that the Laplace transform is a powerful mathematical tool used across many areas of science and engineering.
Presentation on Rectifier
A rectifier converts alternating current (AC) to direct current (DC) by only allowing current to flow in one direction. The presentation discusses half wave rectifiers, which use one diode and pass current during either the positive or negative half of the AC cycle. It also covers full wave rectifiers like the center tap and bridge rectifier, which use two or more diodes to pass current during both halves of the AC cycle, thereby doubling the output current compared to a half wave rectifier.
Presentation on Heap Sort
Heap data structures can be used for sorting and memory management. Heapsort uses a max heap to sort an array by repeatedly replacing the root with the last element and heapifying the reduced heap. Heaps are also used to manage memory dynamically by allocating and resizing memory blocks on the heap using functions like malloc() and realloc(). Priority queues, which can be implemented efficiently using binary heaps, are used for applications that require fast retrieval of the highest or lowest priority element, such as scheduling tasks.
Bfs algorithm & its application
Bfs algorithm & its application.
Breadth-first search (BFS) is an algorithm for traversing or searching tree or graph data structures. It starts at the tree root (or some arbitrary node of a graph, sometimes referred to as a 'search key'[1]) and explores the neighbor nodes first, before moving to the next level neighbors.
BFS and its application in finding connected components of graphs were invented in 1945 by Konrad Zuse, in his (rejected) Ph.D. thesis on the Plankalkül programming language, but this was not published until 1972.[2] It was reinvented in 1959 by E. F. Moore, who used it to find the shortest path out of a maze,[3][4] and discovered independently by C. Y. Lee as a wire routing algorithm (published 1961).[5][6]
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The rivalry between prominent international actors for dominance over Central Asia's hydrocarbon
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Smart Home Automation And security System
- 1. Smart Home Automation Using IOT
- 2. HELLO! I am Al - Shahriar ID: 161-15-7188
- 3. Introduction ✘Internet Of Things ✘Home automation system ✘Home security system
- 4. Use Cases ✘Voice input-based home automation ✘Remote control home automation ✘Sonner sensor for control lighting, air conditioning, appliances and communication system ✘Home security automation mode using PIR sensor
- 5. Components ✘Arduino Uno ✘Bluetooth module HC-05 ✘PIR sensor ✘Breadboard ✘Buzzer ✘LED ✘Jumper Cables
- 6. HELLO! I am Amit Kundu ID: 161-15-7149
- 7. Flow Chart
- 9. HELLO! I am Sourav Das ID: 161-15-7243
- 10. ✘Sonar sensor isn't reliable ✘Needs constant internet connection ✘Lacking latest Bluetooth technology ✘Complete setup takes time Limitations
- 11. Future work ✘Replace Sonar and PIR sensor with ESP-32 Cam ✘Implement offline speech recognition ✘Upgrade bluetooth module ✘Reduce setup complications ✘Setup and connect with a streaming server