Quantity   Component name
1 × 10ft x 10ft wooden floating dock with 6 x 50 gallon plastic barrels
1 × Custom built wooden console
1 × Raspberry Pi 2
10 × 12V automotive relays
1 × 8-channel Sainsmart relay board
1 × Ublox 6M serial GPS
1 × i2c compass
2 × large Deep cycle batteries
1 × 12V->5V USB power supplies
1 × cheap car DVD/USB/SD card audio system with LCD display
2 × cheap automotive speakers
1 × Voltmeter with LCD display
2 × battery cut-off switches
1 × SPST switch for selecting battery to display on voltmeter
1 × SPST switch for selecting autonomous or manual control
1 × Arcade joystick for manual control
1 × Arcade momentary pushbutton for shutdown
8 × RGB LEDs
1 × Custom 3D printed holder for motor speed/direction display
4 × Benches
1 × All required boating safety equipment (even a bailer!)