Daughter board
About the Daughter board
Daughter board is an open source PCB design by heiso, published on GitHub. It is a 2-layer board measuring 19 × 18 mm, with 3 components from 3 distinct parts.
By type, the board carries 2 connectors and 1 inductor.
It belongs with the keyboards designs in this gallery.
From the project
Macrolev is an open source analog keyboard powered by Hall Effect switches
I use the two prototypes shown above as my daily drivers for both coding and gaming. They work well, and the current state of the web configurator is sufficient for seamlessly switching between coding and gaming modes. The current layout of my prototypes is Mac ISO azerty (FR).
This is still a work in progress. While the prototypes are functional, building one requires a good understanding of electronics and firmware development. If you're interested in creating your own, please be aware that you'll need experience with PCB assembly, microcontroller programming, and debugging embedded…
Daughter board bill of materials (BOM)
3 components, 3 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | HC-FPC-05-10-12RLTAG | FPC-SMD_12P-P0.50_HCTL_HC-FPC-05-10-12RLTAG | J1 |
| 1 | Conn_02x06_Odd_Even | PinHeader_2x06_P2.54mm_Horizontal | J2 |
| 1 | 120R | L_0603_1608Metric_Pad1.05x0.95mm_HandSolder | FB1 |
Daughter board design files
The KiCad project lives in the heiso/macrolev repository on GitHub; these links point at the commit this page was built from.
Daughter board: common questions
How big is the Daughter board?
The Daughter board measures 19 × 18 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Daughter board?
3 components, from 3 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 Daughter board design files?
From the heiso/macrolev 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 Daughter board design in my own project?
The repository has no license, so all rights stay with heiso. Use it as a reference, and ask the author before reusing the design.
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