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2 layers180 × 125 mmHelmholtz Controller, the printed circuit board in 3D

PCB for the Helmholtz coil controller for satellite testing.

Size
180 × 125 mm
Copper layers
2
Thickness
1.6 mm
Parts
13
Nets
56
Pads
140
Tracks, vias
69, 3
Pours
11
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
28 Jan 2026
Updated
30 Jan 2026

Overview

Helmholtz Controller is an open-source printed circuit board by cmu-argus-2, from the cmu-argus-2/Helmholtz_Controller repository on GitHub. It is a 2-layer board of 180 × 125 mm with 13 parts on 56 nets, routed with 69 tracks and 3 vias.

Its parts include 4 ICs, 2 resistors and 1 connector.

Parts

13
QtyValueFootprintReferences
4MountingHole_PadMountingHole:MountingHole_4.3mm_M4_Pad_ViaH1, H2, H3, H4
3DR25E01helmholtz_footprints:DR25E01U4, U5, U6
2DNPResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolderR1, R2
2Jumper_2_OpenJumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mmJP1, JP2
113.2_PPShelmholtz_footprints:13_2_PPSU3
1Raspberry_Pi_4helmholtz_footprints:Raspberry_Pi_4_Side_MountJ1

Questions

How big is the Helmholtz Controller PCB?

It measures 180 × 125 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Helmholtz Controller use?

13 parts. 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 Helmholtz Controller KiCad files?

From the cmu-argus-2/Helmholtz_Controller repository on GitHub, at the commit this page was made from: the board is Helmholtz_Controller.kicad_pcb and its schematic Helmholtz_Controller.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Helmholtz Controller design in my own project?

Its repository states no licence, so its author keeps all rights: ask cmu-argus-2 before reusing the design.

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