Quantity   Component name
1 × HTC Wildfire Old android phone, used as a media player (free)
1 × SqueezePlayer Software player for android (A$5.29)
1 × Raspberry Pi Model A+ A$25.30
1 × Cirrus Logic Audio Card A$48.33
1 × 16GB Micro SD Card A$10
1 × Tasker Android automation app
1 × Headset Button Controller Android app to detect button presses