ZuluSCSI™ Pico OSHW
About the ZuluSCSI™ Pico OSHW PCB
ZuluSCSI™ Pico OSHW is an open source RP2040/RP2350 PCB design by palginpav, published on GitHub under the Apache-2.0 license. It is a 2-layer board measuring 90 × 100 mm, with 118 components from 31 distinct parts.
Its main chip is the Pico W, from the RP2040/RP2350 family. Other key parts include the 74LVTH125MTC, 74LVT245BBT20-13 and LM3674MFX-ADJ/NOPB. By type, the board carries 47 resistors, 24 capacitors, 21 inductors, 9 ICs, 7 connectors and 6 diodes.
From the project
AI-assisted place & route for KiCad — datasheet-grounded schematic review, constraint generation for autorouting, analytical placement
AI-assisted place & route for KiCad — schematic review with datasheet grounding, constraint generation for autorouting, and analytical placement. Open source, local-first.
Autorouters disappoint not because the solvers are weak, but because nobody feeds them the constraints that make routing meaningful — net classes, differential pairs, length rules, fanout strategy. Schematic review tools check syntax, not electronics. TraceWise applies LLMs exactly where they help:
Main components on the ZuluSCSI™ Pico OSHW
ZuluSCSI™ Pico OSHW bill of materials (BOM)
118 components, 31 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Pico W | RPi_Pico_W_SMD_TH | U1 |
| 3 | 74LVTH125MTC 74LVT125 Onsemi | SSOP_TSSOP-14_4.4x5mm_Pitch0.65mm_PCBWay-MaskClearance0.22mm | U101, U102, U103 |
| 4 | 74LVT245BBT20-13 74LVT245 Diodes Inc | SSOP_TSSOP-20_5.3x7.2mm_P0.65mm | U105, U106, U107, U108 |
| 1 | LM3674MFX-ADJ/NOPB LM3674-ADJ Texas Instruments | TSOT-23-5 | U201 |
| 1 | 10067847-001RLF SD_Card Amphenol | SD-FCI-10067847-001 | CON401 |
| 1 | USB_A | USB_A_Molex_105057_Vertical | J301 |
| 1 | LED | PinHeader_1x02_P2.54mm_Vertical | J304 |
| 1 | EXT_SDCARD | PinHeader_1x08_P2.54mm_Vertical | J305 |
| 1 | CONN_02X25 | Pin_Header_Angled_2x25 | P1 |
| 1 | Floppy_BERG | floppy-berg | P201 |
| 1 | 10118194-0001LF USB_OTG Amphenol | USB_Micro-B_Amphenol_10118194_Horizontal | P301 |
| 1 | 0ZCJ0050FF2G 500mA Hold Bel Fuse Inc | Fuse_1206_3216Metric | F202 |
| 1 | JUMPER | PinHeader_1x02_P2.54mm_Vertical | JP201 |
| 1 | Speaker | Buzzer_TDK_PS1240P02BT_D12.2mm_H6.5mm | LS301 |
| 1 | 219-3MSTR SW_DIP_x03 CTS Electrocomponents | SW_DIP_SPSTx03_Slide_6.7x9.18mm_W8.61mm_P2.54mm_LowProfile | SW1 |
| 5 | MBRX120LF-TP D_Schottky Micro Commercial Co | D_SOD-123 | D201, D202, D203, D204, D205 |
| 1 | LY R976-PS-36 LED Osram Opto Semiconductors Inc | LED_0805_2012Metric | D302 |
| 20 | PE-0603FB601ST Ferrite_Bead_Small Pulse Electronics Network | L_0603_1608Metric | L101, L102, L103, L104, L105, L106, L107, L108 +12 |
| 1 | DFE252012P-2R2M=P2 2.2uH Murata Electronics North America | Inductor_1008 | L201 |
| 9 | CL10B104KB8NNWC 100nF Samsung | C_0603_1608Metric | C101, C102, C103, C104, C105, C106, C107, C202 +1 |
Show 11 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 4 | C0603C120J5GAC7867 12pF KEMET | C_0603_1608Metric | C111, C209, C211, C215 |
| 6 | CL21A106KPFNNNG 10uF Samsung | C_0805_2012Metric | C114, C201, C207, C210, C320, C322 |
| 4 | UUD1C221MCL1GS 220uF Nichicon | CP_Elec_6.3x7.7 | C203, C204, C205, C206 |
| 1 | N/A | CP_Radial_D10.0mm_P5.00mm | C217 |
| 19 | RC0603FR-07110RL 110 Yageo | R_0603_1608Metric | R101, R102, R103, R104, R105, R106, R107, R108 +11 |
| 8 | RC0603JR-071KL 1k Yageo | R_0603_1608Metric | R122, R123, R124, R125, R301, R321, R322, R323 |
| 13 | RC0603JR-074K7L 4k7 Yageo | R_0603_1608Metric | R126, R127, R128, R129, R205, R311, R312, R313 +5 |
| 1 | RC0603FR-07510KL 510k Yageo | R_0603_1608Metric | R201 |
| 2 | RC0603FR-07100KL 100k Yageo | R_0603_1608Metric | R202, R203 |
| 3 | RC0603FR-0762RL 62 Yageo | R_0603_1608Metric | R304, R305, R306 |
| 1 | N/A | R_0402_1005Metric | R320 |
ZuluSCSI™ Pico OSHW design files
The KiCad project lives in the palginpav/tracewise repository on GitHub; these links point at the commit this page was built from.
ZuluSCSI™ Pico OSHW: common questions
What microcontroller does the ZuluSCSI™ Pico OSHW use?
The ZuluSCSI™ Pico OSHW is built around the Pico W, from the RP2040/RP2350 family.
How big is the ZuluSCSI™ Pico OSHW PCB?
The ZuluSCSI™ Pico OSHW measures 90 × 100 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the ZuluSCSI™ Pico OSHW?
118 components, from 31 distinct parts. The full bill of materials is listed on this page.
Where can I download the ZuluSCSI™ Pico OSHW design files?
From the palginpav/tracewise repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the ZuluSCSI™ Pico OSHW design in my own project?
Yes, under the terms of its Apache-2.0 license, which palginpav chose for the repository.
Can I test firmware for the ZuluSCSI™ Pico OSHW without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug RP2040/RP2350 firmware against it before you order a PCB.
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