NERD v1.1

the only practical difference between this and the previous DIY+ v1.0 release is the SSD mount screw holes diameter change from 3mm to 2mm.

the other files are main unchanged; use the previous release diyplus-v1.0.

DIY+ v1.0

the "plus" version features a custom heatsink combined with the bottom plate, suitable for aluminium CNC milling. the construction provides a better heat dissipation compared to the DIY (FFF) version.

BOM: off the shelf parts

• raspberry pi 4 model b
• waveshare 4.3inch DSI LCD
• sandisk portable 1TB SSD sdssde30-1t00
• 90 degree angle USB-C adapter 3.1 gen 2, 10Gbps
• adhesive gasket/seal tape for LCD, 1mm thick, 10mm width, L370mm
• 3 thermal pads 1.5mm thick, 424mm sq total area - see baseplate drawing
• 7 screws M2.5 L10mm
• 4 adhesive bottom pads Ø5mm, 3mm+ thick

other parts, harvested from the above list:

• 2 self-tapping screws 2.9mm L3mm (from the SSD)
• 1 screw M2.5 L5mm (from the LCD)
• 4 PCB standoffs M2.5 L30mm (from the LCD)

BOM: custom parts in this release

• baseplate; CNC milled from aluminium
• enclosure box; 3D-printed
• SSD support plate; 3D-printed
• 3 spacers Ø3mm hole, 2.4mm thick; 3D-printed