Command Control DeviceScott Coffin

Adam FaucherJason Graika

Brian Voelz

Client:Honeywell

Advisor: Dr. Zhengdao Wang

AgendaProject Background

RequirementsGoals

Transmitter and Receiver DesignHardwareBlock DiagramSchematicPCB Layout

GUIBudget

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Project DescriptionShort range wireless control deviceProject Client is Honeywell

Contact: Justin YoungFour deliverables

Transmitter, Receiver, Programming Dongle, and GUI

Desired outcome of this project is for the transmitter to communicate with receiver and have the receiver perform a particular command that was programmed via the wireless dongle.

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Design Overview

System consists of four components:Transmitter(Tx)Receiver(Rx)Bluetooth DongleGUI for programming Rx

Transmitter Receiver5 Ft 100 Ft

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Functional Requirements Minimum distance of 50ft between Rx and

Tx Minimum distance of 5ft between

programming dongle and Rx ● Receiver shall have 2 LEDs ● Tx and Rx battery life should last at least 8 hours● Minimum distance of 25ft for talk back from Rx

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Non-Functional Requirements● Tx and Rx housing less than 1" X 1.5" X 2.5"● Tx and Rx should withstand rain and drop● Temperature range -25°F to 160°F● Tx and Rx should have a self contained power source● Rx antenna should be internal

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Stretch Goals● Minimum distance of 100ft between Rx and Tx ● Tx and Rx housing less than .5" X 1" X 2"● Easy access to Tx and Rx power supplies ● Tx antenna should be internal● Tx and Rx battery life should last at least 24 hrs.● Full talk back from Rx up to a distance of 100ft

Hardware Selection• Roving Networks RN-41 Bluetooth

Transceiver• Atmel ATTiny84 Microcontroller• Blue Radius BR-USB-BTv2.1 Bluetooth

Dongle• Polymer Lithium Ion Battery• LiPo Basic Charger

Transmitter Block Diagram

Transmitter Schematic

Transmitter LayoutDimensions:2” x 1.5”

Transmitter Prototype

Final Transmitter

Receiver Block Diagram

Receiver Schematic

Receiver LayoutDimensions:2” x 1.5”

Receiver Prototype

Final Receiver

Platform for User InterfaceGUI Application

Developed for Windows XP, with cross-platform compatibility in mind

Uses Bluetooth dongle for communication to Rx

Graphical User InterfaceApplication written in Java Swing GUI ToolkitCommunication between receiver and GUI

JSR-82 (Java's Bluetooth Interface for APIs)BlueCove Library

Cross platform Bluetooth library that works with whatever native Bluetooth stack is currently on your system

GUI Prototype

GUI Prototype

Budget

Thank You

Questions?