RaspiScope first prototype PCB is a four layer PCB from pcbcart.com with blue soldermask.
The interactive PCB layer presentation below has copper flood fill left out (unflooded) to make it easier to track routes.
PCBCART order options
Here are a full order specifications from PCBCART
| Material: | FR4 |
| Layers: | 4 |
| Material Details: | Standard Tg 140C |
| Reorder Status *: | — |
| Board Size (width) *: | 130.56 mm |
| Board Size (height) *: | 57.66 mm |
| Quantity: | 50 pcs |
| Different Design in Panel *: | — |
| Route Process *: | — |
| Thickness (Finished Board): | 1.6 mm |
| Layer Stack: | As pcbcart default |
| Impedance Control: | No |
| Surface Finish: | HASL -Hot Air Solder Leveling |
| Outer Layer Copper Weight (Finished): | 35 um |
| Inner Layer Copper Weight: | 35 um |
| Min. Tracing/Spacing: | 0.20 mm |
| Min. Annular Ring: | 0.25 mm |
| Smallest Holes: | 0.40 mm |
| Holes Number: | Under 300 |
| Buried/Blind Vias: | No |
| Times of Buried/Blind Via: | — |
| Surface Mount: | 2 sides |
| Soldermask: | Both Sides |
| Peelable Soldermask: | None |
| Soldermask Color: | Blue |
| Matt Color (only add to Green or Black): | None |
| Silkscreen Legend: | 2 sides |
| Silkscreen Legend Color: | White |
| Gold Fingers: | No |
| Gold Fingers Chamfer: | None |
| Slots/cutouts in Board: | No Slot in Board |
| Testing: | Yes |
| UL Marking *: | No |
| Date Code Marking *: | No |
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