we are wireless audio ( wawa )

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We are Wireless Audio ( WaWA ). Aarthi Balachander Daniel Jiang Drew Schuster Ryne Rayburn. Updated PSSCs. An ability to encode and decode an audio stream via a digital wireless network. An ability to control volume by way of user controls on the main station. - PowerPoint PPT Presentation

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Portable Wi-Fi Speaker System

Aarthi BalachanderDaniel JiangDrew SchusterRyne RayburnWe are Wireless Audio (WaWA)Updated PSSCsAn ability to encode and decode an audio stream via a digital wireless network.An ability to control volume by way of user controls on the main station.An ability to interpret audio-based commands to control the system.An ability to display system status on an LCD.An ability to play audio from an external device to a remote external speaker setup.ConstraintsMicrocontroller ChoiceComputationInterfacePowerAC Powered versus BatteryPackagingPortablePrice of ComponentsMicrocontrollerSpeech Recognition KitMicrocontrollerJN5148PIC32MX340F128H$24.4232-bit RISC2 UARTSPI4-input 12-bit ADC, 2 12-bit DAC, 2 comparators128KB RAM21 I/O PinsBuilt-in Wireless$7.9332-bit RISC2 UARTSPI (used to interface with wireless module)16-input 10-bit ADC, No DAC, 2 comparators128KB RAM64 I/O Pins

Speech RecognitionHM-2007RSC-164Needs external RAMDetailed Data SheetToolkit AvailableCan train speech1.92 second word300ms response time or lessWidely usedHas on-board memorySimple micro (unneeded)Fewer resources available online

DisplayuOLEDGLK12232-25-WBL$99.95128x128, 256/65K colors1.79x1.32x0.25 inchesSerial Cmd. PlatformOnboard micro-SD adapterDetailed Data SheetLarge Command Set$78.9520 char. x 4 lines3.9x2.4x0.4 inchesRS232Data SheetCommand SetQuestions?