Main Head CPU
About the Main Head CPU PCB
Main Head CPU is an open source PCB design by Cyberspecies, published on GitHub. It is a 4-layer board measuring 50 × 47.5 mm, with 53 components from 31 distinct parts.
Other key parts include the Sensored, LD1117S33TR_SOT223 and LD1117S50TR_SOT223. By type, the board carries 20 resistors, 13 connectors, 10 capacitors, 3 ICs, 3 diodes and 2 transistors.
It belongs with the audio and displays & leds designs in this gallery.
Main components on the Main Head CPU
Main Head CPU bill of materials (BOM)
53 components, 31 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Sensored | Sensored | U1 |
| 1 | LD1117S33TR_SOT223 | SOT-223-3_TabPin2 | U3 |
| 1 | LD1117S50TR_SOT223 | SOT-223-3_TabPin2 | U4 |
| 2 | DMG3402L | SOT-23 | Q1, Q2 |
| 1 | 10171746-00021LF | MOLEX_2171790001 | J1 |
| 1 | C514175 LEDs 0 | JST_GH_SM03B-GHS-TB_1x03-1MP_P1.25mm_Horizontal | J2 |
| 1 | LEDs 1 | JST_GH_SM03B-GHS-TB_1x03-1MP_P1.25mm_Horizontal | J3 |
| 1 | C514175 LEDs 2 | JST_GH_SM03B-GHS-TB_1x03-1MP_P1.25mm_Horizontal | J4 |
| 1 | LEDs 3 | JST_GH_SM03B-GHS-TB_1x03-1MP_P1.25mm_Horizontal | J5 |
| 1 | LEDs 4 | JST_GH_SM03B-GHS-TB_1x03-1MP_P1.25mm_Horizontal | J6 |
| 1 | C514175 LEDs 5 | JST_GH_SM03B-GHS-TB_1x03-1MP_P1.25mm_Horizontal | J7 |
| 1 | C265111 Buttons | JST_GH_SM08B-GHS-TB_1x08-1MP_P1.25mm_Horizontal | J8 |
| 1 | C189893 Fan 0 | JST_GH_SM02B-GHS-TB_1x02-1MP_P1.25mm_Horizontal | J9 |
| 1 | C189893 Fan 1 | JST_GH_SM02B-GHS-TB_1x02-1MP_P1.25mm_Horizontal | J10 |
| 1 | C587826 MicroSD | MicroSD_473092651 | J13 |
| 1 | C265111 Mic | JST_GH_SM08B-GHS-TB_1x08-1MP_P1.25mm_Horizontal | J14 |
| 1 | C265111 Expansion | JST_GH_SM08B-GHS-TB_1x08-1MP_P1.25mm_Horizontal | J15 |
| 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 |
Show 11 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | PMEG3050EP_115 | DIO_PMEG3050EP_115 | D3 |
| 1 | 10UF 10uF | C_0603_1608Metric | C1 |
| 4 | 0.1UF 0.1uf | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C2, C3, C8, C10 |
| 2 | 10UF 10uf | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C4, C5 |
| 1 | 1UF 1uF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C6 |
| 2 | 22UF 22uF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C7, C9 |
| 2 | 5.1K | R_0603_1608Metric | R1, R2 |
| 14 | 10K | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R3, R4, R5, R6, R11, R12, R13, R14 +6 |
| 1 | 145OHM 145ohm | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | R7 |
| 1 | 33OHM 33ohm | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | R8 |
| 2 | 10K | R_0603_1608Metric | R9, R10 |
Main Head CPU 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.
Main Head CPU: common questions
How big is the Main Head CPU PCB?
The Main Head CPU measures 50 × 47.5 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Main Head CPU?
53 components, from 31 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 Main Head CPU 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 Main Head CPU 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
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
60 × 35 mm37 parts4LNo 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
Similar boards
View screen
scottbez1
35 × 35 mm12 parts2LApache-2.022.2k
LevelShifterBreakout
15.2 × 20.3 mm5 parts2LApache-2.022.2k
View base
81.2 × 81.2 mm81 parts2LApache-2.022.2k
BM28B0.6-24DSBreakout
15.2 × 35.6 mm3 parts2LApache-2.022.2k
Display eval
byrantech
52.1 × 22.6 mm12 parts4LMIT4.3k
ChainlinkDriverTester
198.1 × 95.3 mm123 parts2LApache-2.04.2k