HardLabs

Main PCB (w/o Adaptor)

cinnamondev·gamepithing·boardDesigns/CM4Carrier/CM4Carrier.kicad_pcb

Main PCB (w/o Adaptor) layout, top view — open source Raspberry Pi board by cinnamondev

About the Main PCB (w/o Adaptor)

Main PCB (w/o Adaptor) is an open source Raspberry Pi PCB design by cinnamondev, published on GitHub under the CERN-OHL-S-2.0 license. It is a 4-layer board measuring 95.9 × 83.3 mm, with 145 components from 62 distinct parts.

Its main chip is the ComputeModule4-CM4, from the Raspberry Pi family. Other key parts include the MIC2025-2YMM, MAX77751, MAX17261xxTD, MIC2877 and 74HC00. By type, the board carries 48 resistors, 33 capacitors, 25 test points, 14 switches, 8 connectors and 6 ICs.

From the project

Handheld Games Console, powered by the Compute Module 4. Work in Progress

(rev2-slidey): Remaking design to follow best practices.

Main components on the Main PCB (w/o Adaptor)

MIC2025-2YMMMAX77751MAX17261xxTDMIC287774HC00MCP3002

Main PCB (w/o Adaptor) bill of materials (BOM)

145 components, 62 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
MIC2025-2YMM
U1
1
MAX77751
U2
1
MAX17261xxTD
U3
1
MIC2877
U4
1
74HC00
U5
1
MCP3002
U6
1
Micro_SD_Card
J1
1
Conn_01x04_Female
J2
1
USB_A
J3
1
USB_C_Receptacle_USB2.0
J4
1
1-84952-5
J5
1
AudioJack3_Dual_Ground_Switch
J6
1
Conn_01x03_Male
J7
1
I2C-ADC
J8
1
Battery_Cell
BT1
1
Polyfuse
F1
1
Polyfuse
F2
1
ComputeModule4-CM4
Module1
13
SW_Push
SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8 +5
1
SW_Push
SW13
Show 42 more
QtyPartRefs
1
10k 5%
TH1
1
TestPoint POWER PI
TP1
2
TestPoint_Flag
TP2, TP5
1
TP_PG
TP3
1
5VREG_EN
TP4
1
L
TP6
1
SEL
TP7
1
U
TP8
1
D
TP9
1
START
TP10
1
R
TP11
6
A
TP12, TP14, TP18, TP26, TP27, TP28
3
B
TP13, TP15, TP22
1
(A.B)' (0)
TP16
1
(A.B)' (1)
TP17
1
X
TP19
1
Y
TP23
1
TP-GLOBALEN
TP24
3
LED
D1, D2, D3
1
BAV99S
D4
1
0.47u
L1
1
1u
L2
1
10u
C1
2
2.2u
C2, C8
1
2.2u
C3
11
100n
C4, C14, C15, C18, C19, C20, C21, C23 +3
6
C
C5, C7, C27, C28, C29, C30
5
22u
C6, C9, C11, C12, C13
1
470n
C10
2
1u
C16, C17
4
100nF
C22, C32, C33, C34
16
1k
R1, R4, R5, R13, R14, R20, R21, R24 +8
2
nc
R2, R38
16
10k
R3, R12, R15, R16, R22, R23, R25, R28 +8
2
R
R6, R7
5
R
R8, R39, R40, R41, R42
1
600k
R9
1
400k
R10
1
1M
R11
2
100k
R17, R19
1
5M
R18
1
2K7
R27

Main PCB (w/o Adaptor) design files

The KiCad project lives in the cinnamondev/gamepithing repository on GitHub; these links point at the commit this page was built from.

Main PCB (w/o Adaptor): common questions

What microcontroller does the Main PCB (w/o Adaptor) use?

The Main PCB (w/o Adaptor) is built around the ComputeModule4-CM4, from the Raspberry Pi family.

How big is the Main PCB (w/o Adaptor)?

The Main PCB (w/o Adaptor) measures 95.9 × 83.3 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Main PCB (w/o Adaptor)?

145 components, from 62 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 Main PCB (w/o Adaptor) design files?

From the cinnamondev/gamepithing 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 Main PCB (w/o Adaptor) design in my own project?

Yes, under the terms of its CERN-OHL-S-2.0 license, which cinnamondev chose for the repository.

Can I test firmware for the Main PCB (w/o Adaptor) 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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