

CentralNode
- Size
- 52 × 45 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 21
- Nets
- 23
- Pads
- 77
- Tracks, vias
- 268, 18
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 19 Oct 2026
- Updated
- 4 Nov 2026
Overview
CentralNode is an open-source printed circuit board by SanchakGarg, from the SanchakGarg/Hexagon-generator repository on GitHub. It is a 2-layer board of 52 × 45 mm with 21 parts on 23 nets, routed with 268 tracks and 18 vias.
It is built around the PCF8574RGTR(UMW) and XT60-M. Its parts include 6 connectors, 6 inductors, 5 resistors and 1 IC.
Main components
2Parts
21| Qty | Value | Footprint | References |
|---|---|---|---|
| 6 | Conn_01x04 | Connector_Molex:Molex_KK-254_AE-6410-04A_1x04_P2.54mm_Vertical | L1, L2, L3, L4, L5, L6 |
| 3 | 10K | Resistor_SMD:R_0805_2012Metric | R1, R2, R3 |
| 3 | Conn_01x02 | Connector_PinSocket_2.54mm:PinSocket_1x02_P2.54mm_Vertical | J1, J2, J3 |
| 3 | MountingHole | MountingHole:MountingHole_3.2mm_M3 | H1, H2, H3 |
| 2 | 10K | Resistor_SMD:R_0603_1608Metric | R4, R5 |
| 1 | Conn_01x03 | Connector_PinSocket_2.54mm:PinSocket_1x03_P2.54mm_Vertical | J7 |
| 1 | Conn_01x08_Pin | Connector_JST:JST_EH_B8B-EH-A_1x08_P2.50mm_Vertical | J4 |
| 1 | PCF8574RGTR | PCF8574RGTR:QFN50P300X300X100-17N | U1 |
| 1 | XT60-M | AMASS_XT60-M:AMASS_XT60-M | J5 |
Questions
How big is the CentralNode PCB?
It measures 52 × 45 mm and has 2 copper layers, 1.6 mm thick.
What parts does the CentralNode use?
21 parts, built around the PCF8574RGTR(UMW) and XT60-M. 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 CentralNode KiCad files?
From the SanchakGarg/Hexagon-generator repository on GitHub, at the commit this page was made from: the board is Circuits/CentralNode/CentralNode.kicad_pcb and its schematic Circuits/CentralNode/CentralNode.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the CentralNode design in my own project?
Its repository states no licence, so its author keeps all rights: ask SanchakGarg before reusing the design.
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