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A Bluetooth Audio Amplifier Project for an Embedded Systems Course

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2016 ASEE Annual Conference & Exposition


New Orleans, Louisiana

Publication Date

June 26, 2016

Start Date

June 26, 2016

End Date

August 28, 2016





Conference Session

Circuits & Systems Education II

Tagged Division

Electrical and Computer

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Paper Authors


James Moscola York College of Pennsylvania

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James Moscola is an Assistant Professor of Computer Science and Computer Engineering at York College of Pennsylvania. He received a B.S. in Physical Science from Muhlenberg College in 2000, a B.S. in Computer Engineering, a M.S. in Computer Science, and a Ph.D. in Computer Engineering from Washington University in St. Louis in 2001, 2003, and 2008 respectively. His interests include reconfigurable architectures, and embedded systems.

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This paper describes a design project in which students were required to design and build a Bluetooth audio amplifier for an embedded systems course at York College of Pennsylvania. Requirements for the device include connectivity from audio sources that support the Bluetooth A2DP profile, two-channel stereo amplification at 15 Watts per channel, and a touchscreen display with playback controls and track and artist information. The three main components, the Bluetooth module, the amplifier IC, and the touchscreen LCD, were pre-selected for the students. The remainder of the components, such as analog circuit components, power supplies, voltage regulators, etc., were selected by the students as part of the design process.

This design project is intended to provide students with a complete embedded system design experience. Students start by reading data sheets, selecting components, performing schematic capture of their design, and maintaining a bill of materials. Next, each student creates a PCB layout for their design, generates the required Gerber files, and orders their components and PCBs. When components arrive each student does final assembly, soldering, and debugging of their completed PCBs. The final step is configuring the firmware on the Bluetooth module and developing a user interface on the LCD.

Moscola, J. (2016, June), A Bluetooth Audio Amplifier Project for an Embedded Systems Course Paper presented at 2016 ASEE Annual Conference & Exposition, New Orleans, Louisiana. 10.18260/p.26255

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