Helper jack
30350n·spark-inducer·helper-jack/helper-jack.kicad_pcb
About the Helper jack PCB
Helper jack is an open source PCB design by 30350n, published on GitHub under the CERN-OHL-W-2.0 license. It is a 2-layer board measuring 12 × 15.5 mm, with 4 components from 4 distinct parts.
It belongs with the audio and dev boards & breakouts designs in this gallery.
From the project
Eurorack module development kit

Helper jack bill of materials (BOM)
4 components, 4 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | SBH11-NBPC-D08-SM-BK S | TestPoint_THTPad_2.0x2.0mm_Drill1.0mm | J1 |
| 1 | WQP-WQP518MA-BM TIP | TestPoint_THTPad_2.0x2.0mm_Drill1.0mm | J2 |
| 1 | WQP-WQP518MA-BM TN | TestPoint_THTPad_2.0x2.0mm_Drill1.0mm | J3 |
| 1 | WQP-WQP518MA-BM WQP518MA-BM_Combined | QingPu_WQP-WQP518MA-BM_Combined | J4 |
Helper jack design files
The KiCad project lives in the 30350n/spark-inducer repository on GitHub; these links point at the commit this page was built from.
Helper jack: common questions
How big is the Helper jack PCB?
The Helper jack measures 12 × 15.5 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Helper jack?
4 components, from 4 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 Helper jack design files?
From the 30350n/spark-inducer 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 Helper jack design in my own project?
Yes, under the terms of its CERN-OHL-W-2.0 license, which 30350n chose for the repository.
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