We are Wireless Audio ( WaWA )

1. We are Wireless Audio (WaWA) Aarthi Balachander Daniel Jiang Drew Schuster Ryne Rayburn

2. Hardware Narrative • Key factors: portable, good sound quality • Base Station Main Components • 5 V Power supply, 3.3 V voltage regulator for microcontroller • Line-in jack • Audio Codec • Microphone • HM 2007 Voice Recognition • Microcontroller • LCD • Volume Up, Volume Down, Mute, Power Buttons

3. Hardware Narrative cont… • Remote Station • 12 V power supply, 3.3 and 5 V voltage regulators • Microcontroller • Audio Codec • Class D amplifier • Internal Speakers • Line-out jack for external speakers

4. Microcontroller • JN5148 Microcontroller interfaces with: • Audio Codec • Digital Audio Interface, compatible with I2S interface, 8 MHz clock range to transmit audio at a fast rate • LCD (Base station only) • SPI Interface, slave device, 16 MHz clock • HM 2007 Voice Recognition (Base station only) • I/O pins • Volume Up, Volume Down, Mute, Power buttons (Base station only) • I/O pins

6. Questions?