2 layers58 × 78 mm
CM4 1
YC-Lam/simple_CM4_cluster
Raspbberry Pi compute module 4 cluster in a 120x120x60mm form-factor. each pi can work alone as a 78x58mm SBC
72 parts11GPL-3.0
2 layers120 × 62 mm
Cluster4
YC-Lam/simple_CM4_cluster11Raspbberry Pi compute module 4 cluster in a 120x120x60mm form-factor. each pi can work alone as a 78x58mm SBC
- Size
- 120 × 62 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 105
- Nets
- 116
- Pads
- 497
- Tracks, vias
- 2,267, 113
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 5 (file 20201116)
- Created
- 28 Jan 2021
- Updated
- 30 Oct 2021
Overview
Cluster4 is an open-source printed circuit board by YC-Lam, from the YC-Lam/simple_CM4_cluster repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 120 × 62 mm with 105 parts on 116 nets, routed with 2,267 tracks and 113 vias.
It is built around the W25Q128JVSIQ, AMS1117-3.3 and M24C02-FMN6P, with the RJ45 among its other parts. Its parts include 57 capacitors, 14 diodes, 11 connectors, 8 ICs and 7 resistors. It belongs with the computers and single-board computers boards of this library.
Main components
4
W25Q128JVSIQ
SOIC-8-208mil-40℃~+85℃ 100,000 cycles 120ms@(32KB) 128Mbit 133MHz 1uA 2.7V~3.6V 20 Years 3ms Power-on reset、Hardware write protection、Software write protection、Write enable latch、Absolute write protection SPI SOIC-8-208mil NOR FLASH ROHSWinbondNOR FLASH
AMS1117-3.3
SOT-223-40℃~+125℃ 0.003%Vout 1 1.1V@(800mA) 15V 1A 3.3V 5mA 72dB@(120Hz) Fixed Over Current Protection、Short Circuit Protection、Thermal shutdown Positive SOT-223 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSAdvanced Monolithic SystemsVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
M24C02-FMN6P
SOIC-8-40℃~+85℃ 1.7V~5.5V 200 Years 2Kbit 4,000,000 Cycles 400kHz 5ms Hardware write protection function、Noise suppression function、Built-in power-on reset (POR) I2C SOIC-8 EEPROM ROHSSTMicroelectronicsEEPROM
RJ45
TH-12PTH-12P SMT ROHSJLCPCB AssemblyUncategorised
README
README.mdsimple_CM4_cluster
A simple compute module 4 cluster in a 120x120x60mm form-factor cabable of up to 7 pi.
Each pi can work alone as a 78x58mm SBC.
Ports(per pi): 4 usb2.0, usb-c OTG, PCIE, 2 micro HDMI, CSI, DSI, micro SD and headers
The last six pin on the standard 40 way header has been removed on the board, include GPIO 16,19,20,21,26 and GND
SPI, I2C, UART are not affected, a standard HAT device can still be used.
The main board is powered by +12v through barrel jack or 4/8 pin PSU power. When the pi is alone, it could be powered through USB-A or pin headers
Two space left for EEPROM on the main PCB can be left open if custom program for the RTL8370 is not required. SW2 is a restart switch of RTL8370.
Requirement: kiCad version 5.99 or above
Parts
105| Qty | Value | Footprint | References |
|---|---|---|---|
| 21 | 0.1uf | Capacitor_SMD:C_0402_1005Metric | C35, C36, C38, C39, C40, C41, C42, C42, C43, C44, C45, C46, C47, C48, C49, C50 +5 |
| 12 | 10u | Capacitor_SMD:C_0805_2012Metric | C6, C7, C11, C16, C18, C19, C21, C22, C23, C24, C25, C26 |
| 11 | D | Diode_SMD:D_SMA | D1, D1, D2, D2, D3, D3, D4, D4, D6, D9, D10 |
| 8 | 10uf | Capacitor_SMD:C_0805_2012Metric | C12, C13, C15, C17, C27, C28, C31, C32 |
| 7 | Conn_01x11_Female | Connector_PinSocket_2.54mm:PinSocket_2x06_P2.54mm_Vertical | J3, J4, J5, J6, J7, J8, J9 |
| 3 | 4.7k | Resistor_SMD:R_0402_1005Metric | R1, R2, R15 |
| 2 | 100n | Capacitor_SMD:C_0805_2012Metric | C10, C14 |
| 2 | 100uf | Capacitor_SMD:C_Elec_6.3x7.7 | C29, C30 |
| 2 | 100uf | Capacitor_SMD:C_1206_3216Metric | C4, C5 |
| 2 | 1k | Resistor_SMD:R_0402_1005Metric | R33, R34 |
| 2 | 1n5824 | Diode_SMD:D_SMA | D7, D8 |
| 2 | 22uf | Capacitor_SMD:C_0805_2012Metric | C8, C9 |
| 2 | 22uh | Inductor_SMD:L_Bourns_SRN6045TA | L1, L2 |
| 2 | 470uf | Capacitor_SMD:CP_Elec_10x10 | C3, C34 |
| 2 | Conn_02x12_Top_Bottom | CM4IO:5557_connector | J2, J2 |
| 2 | LM22676-5.0 | Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm_ThermalVias | U4, U6 |
| 2 | TestPoint | TestPoint:TestPoint_Pad_2.0x2.0mm | TP1, TP2 |
| 2 | pf | Capacitor_SMD:C_0603_1608Metric | C1, C2 |
| 1 | 10k | Resistor_SMD:R_0402_1005Metric | R24 |
| 1 | 10n | Capacitor_SMD:C_0402_1005Metric | C10 |
| 1 | 1uh | Inductor_SMD:L_Bourns_SRN6045TA | L3 |
| 1 | 2.49k | Resistor_SMD:R_0402_1005Metric | C44 |
| 1 | 25Mhz | Crystal:Crystal_SMD_5032-4Pin_5.0x3.2mm | Y1 |
| 1 | 3k | Resistor_SMD:R_0402_1005Metric | R14 |
| 1 | 4.7uf | Capacitor_SMD:C_0603_1608Metric | C20 |
| 1 | 470uf | Capacitor_SMD:C_1206_3216Metric | C33 |
| 1 | 6.8uh | Inductor_SMD:L_1206_3216Metric | L4 |
| 1 | ADP2108AUJ-1.0 | Package_TO_SOT_SMD:TSOT-23-5 | U7 |
| 1 | AMS1117-3.3 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U3 |
| 1 | Barrel_Jack | CM4IO:BarrelJack_Horizontal | J1 |
| 1 | D_SMC | Diode_SMD:D_SMC | D5 |
| 1 | LM22676-ADJ | Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm_ThermalVias | U2 |
| 1 | M24C02-FMN | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U5 |
| 1 | RJ45 | Connector_RJ:RJ45_Amphenol_54602-x08_Horizontal | J12 |
| 1 | RTL8370N | cm4_cluster:RTL8370 | U1 |
| 1 | SW_Push | Button_Switch_SMD:SW_SPST_TL3305A | SW2 |
| 1 | W25Q128JVS | Package_SO:SOIC-8_5.23x5.23mm_P1.27mm | U8 |
More from YC-Lam/simple_CM4_cluster
1Similar boards
- 2 layers123 × 87.3 mm
- 4 layers140 × 125 mm
- 2 layers100 × 80 mm
Canbus adapter
adeboni/laser-projector
This project is for a quadruple laser projection controller, aimed at supporting room-scale projections
78 partsGPL-3.0 - 2 layers100 × 100 mm
- 2 layers96.7 × 66.4 mm
Stepper analyzer
zapta/legacy_stepper_motor_analyzer
A DYI minimalist hardware stepper motor analyzer with graphical touch screen.
32 parts162CC0-1.0 - 2 layers73.7 × 53.3 mm
- 4 layers58 × 66 mm
H616 devboard
Bogdan8266/h616-board
8-layer Allwinner H616/618 SBC with DDR3, USB, Wi-Fi/BT and battery power support, designed for embedded Linux.
165 parts4CERN-OHL-P-2.0 - 6 layers76.5 × 69 mm
Questions
How big is the Cluster4 PCB?
It measures 120 × 62 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Cluster4 use?
105 parts, built around the W25Q128JVSIQ, AMS1117-3.3, M24C02-FMN6P and RJ45. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Cluster4 KiCad files?
From the YC-Lam/simple_CM4_cluster repository on GitHub, at the commit this page was made from: the board is cluster4.kicad_pcb and its schematic CM4_1.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Cluster4 design in my own project?
Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).