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Rascsi zero

PiSCSI·piscsi-hw·piscsi_zero_1p1/rascsi_zero.kicad_pcb

Rascsi zero PCB layout, top view — open source Raspberry Pi board by PiSCSI
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About the Rascsi zero PCB

Rascsi zero is an open source Raspberry Pi PCB design by PiSCSI, published on GitHub under the BSD-3-Clause license. It is a 2-layer board measuring 65 × 30 mm, with 76 components from 16 distinct parts.

Its main chip is the Raspberry_Pi_2_3, from the Raspberry Pi family. Other key parts include the SN74LS641-1DW. By type, the board carries 59 resistors, 5 connectors, 5 diodes, 4 ICs and 2 jumpers.

From the project

Hardware Repository for PiSCSI

Main components on the Rascsi zero

SN74LS641-1DW

Rascsi zero bill of materials (BOM)

76 components, 16 distinct parts — part numbers from the project's BOM.

QtyPartRefs
4
SN74LS641-1DW
IC1, IC2, IC3, IC4
1
Raspberry_Pi_2_3
J1
1
DNP
J2
1
U254-051N-4BH806
J3
1
I2C Pinout
J4
1
CONNFLY DB-25
J6
1
1A
FUSE1
2
SolderJumper_2_Bridged
JP1, JP2
4
Green
D1, D2, D3, D4
1
SM4007PL
D5
3
2k
R1, R2, R4
1
5.1k
R3
18
10k
R5, R6, R7, R8, R9, R10, R11, R12 +10
18
220
R23, R24, R25, R26, R27, R28, R29, R30 +10
18
330
R41, R42, R43, R44, R45, R46, R47, R48 +10
1
500
R59

Rascsi zero design files

The KiCad project lives in the PiSCSI/piscsi-hw repository on GitHub; these links point at the commit this page was built from.

Rascsi zero: common questions

What microcontroller does the Rascsi zero use?

The Rascsi zero is built around the Raspberry_Pi_2_3, from the Raspberry Pi family.

How big is the Rascsi zero PCB?

The Rascsi zero measures 65 × 30 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Rascsi zero?

76 components, from 16 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 Rascsi zero design files?

From the PiSCSI/piscsi-hw 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 Rascsi zero design in my own project?

Yes, under the terms of its BSD-3-Clause license, which PiSCSI chose for the repository.

Can I test firmware for the Rascsi zero without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug Raspberry Pi firmware against it before you order a PCB.

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