4 layers22 × 26 mm
4 layers22 × 80 mm
Clusterbase
bitluni/Supercluster2408- Size
- 22 × 80 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 48
- Nets
- 331
- Pads
- 1,111
- Tracks, vias
- 4,009, 480
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 12 May 2025
- Updated
- 21 Aug 2025
Overview
Clusterbase is an open-source printed circuit board by bitluni, from the bitluni/Supercluster2 repository on GitHub. It is a 4-layer board of 22 × 80 mm with 48 parts on 331 nets, routed with 4,009 tracks and 480 vias.
It is built around the ULN2803A, M24C02-FDW6TP and UMH3N. Its parts include 24 capacitors, 8 resistors, 7 ICs, 1 diode and 1 transistor.
Main components
3
ULN2803A
SOP-18-300mil-40℃~+85℃ 0.93mA 100uA 15pF 20uA 30V 500mA 50V 8 SOP-18-300mil Darlington Transistor Arrays ROHSUMWDarlington Transistor Arrays
M24C02-FDW6TP
TSSOP-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 TSSOP-8 EEPROM ROHSSTMicroelectronicsEEPROM
UMH3N
SOT-363-55℃~+150℃ 0.5uA 100 100mA 150mW 2 NPN (Pre-Biased) 250MHz 300mV 50V 5V 6.11kΩ NPN SOT-363 Digital Transistors ROHSJiangsu Changjing Electronics Technology (CJ)Digital Transistors
Parts
48| Qty | Value | Footprint | References |
|---|---|---|---|
| 12 | 100n | Capacitor_SMD:C_0603_1608Metric | C1, C2, C3, C10, C12, C15, C26, C27, C28, C29, C30, C31 |
| 10 | M.2-CLuster | Basics:M.2-Vertical-short Pads | C5, C6, C7, C9, C13, C14, C18, C19, C20, C21 |
| 4 | 1k | Resistor_SMD:R_Array_Concave_4x0603 | RN6, RN7, RN8, RN9 |
| 3 | 0 | Resistor_SMD:R_0603_1608Metric | R9, R10, R11 |
| 2 | 100k | Resistor_SMD:R_0603_1608Metric | R15, R16 |
| 2 | 10k | Resistor_SMD:R_0603_1608Metric | R18, R19 |
| 2 | 10u | Capacitor_SMD:C_0603_1608Metric | C8, C11 |
| 2 | ULN2803A | Package_SO:SOIC-18W_7.5x11.6mm_P1.27mm | U5, U7 |
| 1 | 10k | Resistor_SMD:R_Array_Concave_4x0603 | RN10 |
| 1 | 12k | Resistor_SMD:R_0603_1608Metric | R12 |
| 1 | CH382 | Package_QFP:LQFP-64_7x7mm_P0.4mm | U1 |
| 1 | D | Basics:D_SOD-323 | D1 |
| 1 | Jumper_3_Bridged12 | Basics:SolderJumper-3_P1.3mm_Bridged12_RoundedPad1.0x1.5mm | JP2 |
| 1 | M.2-B+M-KEY-PCIe | M.2-Templates:M.2-B+M-KEY 2280 | U2 |
| 1 | M24C02-FDW | Package_SO:TSSOP-8_4.4x3mm_P0.65mm | U4 |
| 1 | MCP1703Ax-180xxMB | Package_TO_SOT_SMD:SOT-89-3 | U3 |
| 1 | TestPoint | Basics:Testpoint5 | TP2 |
| 1 | UMH3N | Package_TO_SOT_SMD:SOT-363_SC-70-6 | Q1 |
| 1 | ~ | Basics:QFN-68-1EP_8x8mm_P0.4mm_EP1x1mm | U6 |
Questions
How big is the Clusterbase PCB?
It measures 22 × 80 mm and has 4 copper layers, 1.6 mm thick.
What parts does the Clusterbase use?
48 parts, built around the ULN2803A, M24C02-FDW6TP and UMH3N. 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 Clusterbase KiCad files?
From the bitluni/Supercluster2 repository on GitHub, at the commit this page was made from: the board is pcb/ClusterBase/clusterbase.kicad_pcb and its schematic pcb/ClusterBase/CardSlot.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Clusterbase design in my own project?
Its repository states no licence, so its author keeps all rights: ask bitluni before reusing the design.
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