Substructure GPU
About the Substructure GPU PCB
Substructure GPU is an open source PCB design by Cyberspecies, published on GitHub. It is a 4-layer board measuring 60 × 35 mm, with 37 components from 24 distinct parts.
Other key parts include the 74HC245D,653, LD1117S33TR_SOT223 and LD1117S50TR_SOT223. By type, the board carries 12 capacitors, 12 resistors, 4 ICs, 4 connectors, 3 diodes and 2 switches.
It belongs with the audio and displays & leds designs in this gallery.
Main components on the Substructure GPU
Substructure GPU bill of materials (BOM)
37 components, 24 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | 74HC245D,653 74HC245D_653 | SOIC127P1032X265-20N | U2, U3 |
| 1 | LD1117S33TR_SOT223 | SOT-223-3_TabPin2 | U6 |
| 1 | LD1117S50TR_SOT223 | SOT-223-3_TabPin2 | U7 |
| 1 | 10171746-00021LF | MOLEX_2171790001 | J1 |
| 1 | C514175 HUB75 Right | PinHeader_2x08_P2.54mm_Vertical | J2 |
| 1 | C514175 HUB75 Left | PinHeader_2x08_P2.54mm_Vertical | J4 |
| 1 | C587826 MicroSD | MicroSD_473092651 | J13 |
| 1 | C231329 Boot | SW_B3U-1000P | S1 |
| 1 | C231329 RST | SW_B3U-1000P | S2 |
| 2 | LED | D_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D1, D2 |
| 1 | PMEG3050EP_115 | DIO_PMEG3050EP_115 | D3 |
| 1 | 10UF 0.1uf | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C1 |
| 3 | 0.1UF 0.1uF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C2, C10, C12 |
| 1 | 0.1UF 10uf | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C3 |
| 1 | 10UF 10uf | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C4 |
| 1 | 10UF 10uF | C_0603_1608Metric | C5 |
| 1 | 1UF 1uF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C6 |
| 2 | 22UF 10uF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C7, C9 |
| 1 | 0.1UF 22uF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C8 |
| 1 | 22UF 22uF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C11 |
Show 4 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | 5.1K | R_0603_1608Metric | R1, R2 |
| 8 | 10K | R_0603_1608Metric | R3, R4, R5, R6, R9, R10, R11, R12 |
| 1 | 145OHM 147ohm | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | R7 |
| 1 | 33OHM 33ohm | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | R8 |
Substructure GPU design files
The KiCad project lives in the Cyberspecies/Synth-Head repository on GitHub; these links point at the commit this page was built from.
Substructure GPU: common questions
How big is the Substructure GPU PCB?
The Substructure GPU measures 60 × 35 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Substructure GPU?
37 components, from 24 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the Substructure GPU design files?
From the Cyberspecies/Synth-Head repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the Substructure GPU design in my own project?
The repository has no license, so all rights stay with Cyberspecies. Use it as a reference, and ask the author before reusing the design.
More boards in Synth-Head
ESP32Batch (4 Layer SMT)
100 × 100 mm68 parts4LNo license10
Substructure Power Distribution
55 × 20 mm64 parts4LNo license10
4 layer Batch
60 × 89.5 mm58 parts4LNo license10
Main Head CPU
50 × 47.5 mm53 parts4LNo license10
ESP32Substructure Main
40 × 35.5 mm52 parts4LNo license10
Substructure Boop Board
30 × 40 mm41 parts2LNo license10
ESP32Combined Fabrication
92 × 82.5 mm38 parts2LNo license10
ESP32Substructure Snoot Board
50 × 35 mm35 parts4LNo license10
Batch (2 Layer Non SMT)
100 × 100 mm20 parts2LNo license10
Substructure Display Adapter
29 × 30 mm16 parts2LNo license10
2 Layer Batch
50 × 45 mm8 parts2LNo license10
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