Jcap
cspang1·jcap·src/hardware/jcap.kicad_pcb
About the Jcap PCB
Jcap is an open source PCB design by cspang1, published on GitHub under the MIT license. It is a 2-layer board measuring 136.8 × 87 mm, with 63 components from 32 distinct parts.
Other key parts include the P8X32A, LM3940IT, 24LC256 and 74HC165. By type, the board carries 31 resistors, 10 capacitors, 7 ICs, 7 connectors, 4 switches and 2 crystals.
From the project
JAMMA Custom Arcade Project

Main components on the Jcap
Jcap bill of materials (BOM)
63 components, 32 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | P8X32A | DIP-40_W15.24mm_Socket | U201, U202 |
| 1 | LM3940IT | TO-220-3_Horizontal_TabDown | U301 |
| 2 | 24LC256 | DIP-8_W7.62mm_Socket | U401, U402 |
| 2 | 74HC165 | DIP-16_W7.62mm_Socket | U601, U602 |
| 1 | IPP80P03P4L-04 | TO-220-3_Horizontal_TabDown | Q301 |
| 2 | 6.5MHz | Crystal_HC49-U_Vertical | Y201, Y202 |
| 1 | CPU PGMR | PinHeader_1x04_P2.54mm_Horizontal | J201 |
| 1 | SPARE CPU HDR | PinHeader_2x07_P2.54mm_Vertical | J202 |
| 1 | GPU PGMR | PinHeader_1x04_P2.54mm_Horizontal | J203 |
| 1 | SPARE GPU HDR | PinHeader_2x04_P2.54mm_Vertical | J204 |
| 1 | DC IN | CUI_PJ-202AH | J301 |
| 1 | VGA OUT | 2311763-2 | J501 |
| 1 | CONTROLS | PinHeader_2x09_P2.54mm_Vertical | J601 |
| 1 | CPU ~{RES} | SW_PUSH_6mm_H5mm | SW201 |
| 1 | DEBUG | SW_1825159-1 | SW202 |
| 1 | GPU ~{RES} | SW_PUSH_6mm_H5mm | SW203 |
| 1 | TILT | SW_PUSH_6mm_H5mm | SW601 |
| 1 | POWER LED | LED_D5.0mm | D301 |
| 8 | 0.1u | C_Disc_D3.4mm_W2.1mm_P2.50mm | C201, C202, C203, C204, C401, C402, C601, C602 |
| 1 | .47u | C_Disc_D3.4mm_W2.1mm_P2.50mm | C301 |
Show 12 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 47u | C_Radial_D5.0mm_H11.0mm_P2.00mm | C302 |
| 3 | 10K | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R201, R202, R601 |
| 1 | 100 | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R301 |
| 4 | 4.7K | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R401, R402, R403, R404 |
| 8 | 309 | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R501, R502, R503, R506, R508, R509, R510, R513 |
| 4 | 154 | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R504, R505, R511, R512 |
| 2 | 147 | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R507, R516 |
| 2 | 220 | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R514, R515 |
| 3 | 267 | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R517, R518, R520 |
| 1 | 133 | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R519 |
| 1 | 174 | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R521 |
| 2 | 10K | R_Array_SIP9 | RN601, RN602 |
Jcap design files
The KiCad project lives in the cspang1/jcap repository on GitHub; these links point at the commit this page was built from.
- Layoutsrc/hardware/jcap.kicad_pcb
- Schematicsrc/hardware/jcap.kicad_sch
Jcap: common questions
How big is the Jcap PCB?
The Jcap measures 136.8 × 87 mm, has 2 copper layers and is 1.646 mm thick.
How many components are on the Jcap?
63 components, from 32 distinct parts. The full bill of materials is listed on this page.
Where can I download the Jcap design files?
From the cspang1/jcap repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Jcap design in my own project?
Yes, under the terms of its MIT license, which cspang1 chose for the repository.