Bexkat1
About the Bexkat1 PCB
Bexkat1 is an open source PCB design by mattstock, published on GitHub. It is a board measuring 91.4 × 73.7 mm, with 64 components from 30 distinct parts.
Other key parts include the SSM2603, DS3234, speakjet and MAX3232. By type, the board carries 25 capacitors, 20 resistors, 8 connectors, 4 ICs, 4 diodes and 2 inductors.
From the project
An experimental CPU design
Main components on the Bexkat1
Bexkat1 bill of materials (BOM)
64 components, 30 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | SSM2603 | QFN-28-1EP_5x5mm_Pitch0.5mm | U1 |
| 1 | DS3234 | SOIC-20_7.5x12.8mm_Pitch1.27mm | U2 |
| 1 | speakjet | DIP-18_W7.62mm | U3 |
| 1 | MAX3232 | SOIC-16 | U4 |
| 1 | Line Out | SJ-352X-SMT | J1 |
| 1 | PS/2 Keyboard | MD-60S | J2 |
| 1 | DB9 | DB9F | J3 |
| 1 | Line In | SJ-352X-SMT | J4 |
| 1 | Headphone | SJ-4351X-SMT | J5 |
| 1 | LED MATRIX | Pin_Header_Straight_2x08 | P1 |
| 1 | ALTERA_DE1_GPIO | Pin_Header_Straight_2x20 | P2 |
| 1 | IO | Pin_Header_Straight_2x06 | P3 |
| 1 | 2025 coin cell | coincell | BT1 |
| 1 | PWR | SM1206POL | D1 |
| 1 | TX1 | SM1206POL | D2 |
| 1 | TX0 | SM1206POL | D3 |
| 1 | RX0 | SM1206POL | D4 |
| 2 | FB | Choke_Horizontal_RM10mm | L1, L2 |
| 4 | 10uF | UWXCAP-3mm | C1, C3, C4, C8 |
| 9 | 0.1uF | C_0805_HandSoldering | C2, C5, C6, C9, C19, C20, C21, C22 +1 |
Show 10 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | 220uF | UWXCAP-6.3mm | C7, C10 |
| 4 | 1uF | UWXCAP-3mm | C11, C12, C14, C15 |
| 5 | 220pF | C_0805_HandSoldering | C13, C16, C17, C18, C25 |
| 1 | 1uF | C_0805_HandSoldering | C24 |
| 5 | 47k | R_0805_HandSoldering | R1, R2, R4, R5, R19 |
| 4 | 100K | R_0805_HandSoldering | R3, R10, R11, R12 |
| 3 | 100 | R_0805_HandSoldering | R6, R7, R20 |
| 2 | 1k | R_0805_HandSoldering | R8, R9 |
| 2 | 10k | R_0805_HandSoldering | R13, R14 |
| 4 | 330 | R_0805_HandSoldering | R15, R16, R17, R18 |
Bexkat1 design files
The KiCad project lives in the mattstock/bexkat1 repository on GitHub; these links point at the commit this page was built from.
- Layoutkicad/soc.kicad_pcb
Bexkat1: common questions
How big is the Bexkat1 PCB?
The Bexkat1 measures 91.4 × 73.7 mm and is 1.6 mm thick.
How many components are on the Bexkat1?
64 components, from 30 distinct parts. The full bill of materials is listed on this page.
Where can I download the Bexkat1 design files?
From the mattstock/bexkat1 repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Bexkat1 design in my own project?
The repository has no license, so all rights stay with mattstock. Use it as a reference, and ask the author before reusing the design.