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Rascsi 2p5

PiSCSI·piscsi-hw·rascsi_2p5/rascsi_2p5.kicad_pcb

Rascsi 2p5 PCB layout, top view — open source Raspberry Pi board by PiSCSI
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About the Rascsi 2p5 PCB

Rascsi 2p5 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 × 56 mm, with 86 components from 23 distinct parts.

Its main chip is the C50982, from the Raspberry Pi family. Other key parts include the SN74LS641-1DW. By type, the board carries 58 resistors, 11 connectors, 6 crystals, 5 diodes, 4 ICs and 1 switch.

From the project

Hardware Repository for PiSCSI

Main components on the Rascsi 2p5

SN74LS641-1DW

Rascsi 2p5 bill of materials (BOM)

86 components, 23 distinct parts — part numbers from the project's BOM.

QtyPartRefs
4
SN74LS641-1DW
IC1, IC2, IC3, IC4
2
N/A
Mac
X1, X3
4
N/A
Dogcow
X2, X4, X5, X6
1
C50982
Raspberry_Pi_2_3
J1
1
DNP
J2
1
C30006
Conn_02x25_Odd_Even
J3
1
C50950
I2C Pinout
J4
1
DNP
J5
1
DS1037-25FNAKT74-0CC
CONNFLY DB-25
J6
1
DNP
J7
1
U254-051N-4BH806
USB_B_Micro
J8
1
C3407
Conn_02x25_Odd_Even
J9
1
CONN_01X04_MALE
Conn_01x04_Male
J10
1
171826-4
J20
1
12B1100B
1A
FUSE1
1
DSHP02TSGET
Switch x2
S1
4
C2297
Green
D1, D2, D3, D4
1
SM4007PL
D5
3
0402WGF2001TCE
2k
R1, R2, R4
1
0402WGF5101TCE
5.1k
R3
Show 3 more
QtyPartRefs
18
0402WGF1002TCE
10k
R5, R6, R7, R8, R9, R10, R11, R12 +10
18
0402WGF2200TCE
220
R23, R24, R25, R26, R27, R28, R29, R30 +10
18
0402WGF3300TCE
330
R41, R42, R43, R44, R45, R46, R47, R48 +10

Rascsi 2p5 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 2p5: common questions

What microcontroller does the Rascsi 2p5 use?

The Rascsi 2p5 is built around the C50982, from the Raspberry Pi family.

How big is the Rascsi 2p5 PCB?

The Rascsi 2p5 measures 65 × 56 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Rascsi 2p5?

86 components, from 23 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 2p5 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 2p5 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 2p5 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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