Substructure Snoot Board
About the Substructure Snoot Board
Substructure Snoot Board is an open source ESP32 PCB design by Cyberspecies, published on GitHub. It is a 4-layer board measuring 50 × 35 mm, with 35 components from 32 distinct parts.
Its main chip is the ESP32-S3-WROOM-1, from the ESP32 family. Other key parts include the D0 FFC, 74HC245D_653, LD1117S33TR_SOT223, LD1117S50TR_SOT223 and R FFC. By type, the board carries 8 capacitors, 8 resistors, 7 ICs, 7 connectors and 2 diodes.
It belongs with the audio and displays & leds designs in this gallery.
Main components on the Substructure Snoot Board
Substructure Snoot Board bill of materials (BOM)
35 components, 32 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | D0 FFC | FFC-20-0.5 | U1 |
| 1 | 74HC245D_653 D1 FFC | FFC-20-0.5 | U2 |
| 1 | LD1117S33TR_SOT223 U FFC | FFC-8-0.5 | U3 |
| 1 | LD1117S50TR_SOT223 S FFC | FFC-8-0.5 | U4 |
| 1 | R FFC | FFC-8-0.5 | U5 |
| 1 | LD1117S33TR_SOT223 | SOT-223-3_TabPin2 | U6 |
| 1 | LD1117S50TR_SOT223 | SOT-223-3_TabPin2 | U8 |
| 1 | 10171746-00021LF | AMPHENOL_10171746-00021LF | J1 |
| 1 | C514175 PWR Jumper Pins | PinHeader_1x03_P2.54mm_Horizontal | J2 |
| 1 | L0 JST | JST_GH_SM03B-GHS-TB_1x03-1MP_P1.25mm_Horizontal | J3 |
| 1 | C514175 L1 JST | JST_GH_SM03B-GHS-TB_1x03-1MP_P1.25mm_Horizontal | J4 |
| 1 | A JST | JST_GH_SM02B-GHS-TB_1x02-1MP_P1.25mm_Horizontal | J6 |
| 1 | C514175 S Pins A | PinSocket_1x06_P2.54mm_Vertical | J7 |
| 1 | C265111 S Pins B | PinSocket_1x06_P2.54mm_Vertical | J8 |
| 1 | Boot | R-667843 | BootSW1 |
| 1 | ESP32-S3-WROOM-1 | ESP32-S3-WROOM-1U | ESP1 |
| 1 | Reset | R-667843 | RstSW1 |
| 2 | LED | D_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D1, D2 |
| 1 | 10UF 1uF | C_0603_1608Metric | C1 |
| 1 | 0.1UF 22uF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C2 |
Show 12 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 0.1UF 0.1uF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C3 |
| 1 | 10UF 0.1uf | C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C4 |
| 1 | 10UF 10uf | C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C5 |
| 1 | 1UF 10uF | C_0603_1608Metric | C6 |
| 1 | 0.1uf | C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C29 |
| 1 | 10uf | C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C30 |
| 2 | 5.1K 10K | R_0603_1608Metric | R1, R2 |
| 2 | 10K 5.1K | R_0603_1608Metric | R3, R4 |
| 1 | 10K 155ohm min | R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R5 |
| 1 | 10K 70ohm min | R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R6 |
| 1 | 145OHM 5.1K | R_0603_1608Metric | R7 |
| 1 | 33OHM 5.1K | R_0603_1608Metric | R8 |
Substructure Snoot Board 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 Snoot Board: common questions
What microcontroller does the Substructure Snoot Board use?
The Substructure Snoot Board is built around the ESP32-S3-WROOM-1, from the ESP32 family.
How big is the Substructure Snoot Board?
The Substructure Snoot Board measures 50 × 35 mm, has 4 copper layers and is 0.8192 mm thick.
How many components are on the Substructure Snoot Board?
35 components, from 32 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 Snoot Board 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 Snoot Board 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.
Can I test firmware for the Substructure Snoot Board without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug ESP32 firmware against it before you order a PCB.
More boards in Synth-Head
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Substructure Power Distribution
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4 layer Batch
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Main Head CPU
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ESP32Substructure Main
40 × 35.5 mm52 parts4LNo license10
Substructure Boop Board
30 × 40 mm41 parts2LNo license10
ESP32Combined Fabrication
92 × 82.5 mm38 parts2LNo license10
Substructure GPU
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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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