Desk Audio Player Raspberry Pi 4 + DSI Screen + PoE + Hifiberry DAC

Compact Raspberry Pi audio player running Moode Audio

edit: added a longer bottom part for better stability

Materials

Electronic components

• Raspberry Pi 4 Model B

• 7" DSI Touchscreen from Waveshare (7inch DSI LCD (E))

• PoE Hat from Waveshare (PoE HAT (c))

• Hifiberry DAC+ ADC

• For Housing with 40mm fan:

  • 40x10mm 5V fan (40mm wide, 10mm thick. e.g. Noctua NF-A4x10 5V)

Miscellaneous

• 4x M3x6 or 4xM3x8 to secure the housing to the screen (screw head =< 5.5mm)

• 4x M2.5x5 to secure the housing to the Hifiberry DAC

• M2.5x16 standoffs for PoE Hat (should be included with PoE Hat)

• M2.5x10 standoffs for Hifiberry DAC (not included with Hifiberry DAC)

• Rubber or plastic feet 12mm diameter 4mm high

• Optional for 30mm fan (fan is included with PoE Hat Type C):

  • M2.5x3 OD-3 Heated inserts (Fan sits tight in housing even without screws)

  • M2.5x10 screws (should be included with PoE Hat)

• Optional for 40mm fan:

  • M3x3 OD-4 Heated inserts (Fan sits tight in housing even without screws)

  • M3x12 screws

Printing

Parts 1 & 2 are printed with (tree)supports facing down (where the screen would sit)
Part 3 is printed without supports

Assembly

Make sure that all the standoffs are screwed in tightly and that the DSI connector is tucked inbetween the Raspberry pi 4 and the screen.

1. Put Part 3 on the backside of the screen first, make sure it sits flush with the backside of the screen (margins are tight depending on the finish of the screen)

2. Slide and wiggle the part with cutouts for the Raspberry pi & Hifiberry DAC on first. Make sure it sits flush with Part 3 and the cutouts line up with the Raspberry pi & Hifiberry DAC connectors.

3. Slide the last part on to complete the assembly. But do not forget to put the fan and its cable in the correct cutouts.

4. Line up the 4 holes for the screen and the 4 holes for the Hifiberry DAC and screw everything up :)