Battery switch
SolidEva·btrfld·btrfld_pcb/battery_switch.kicad_pcb
About the Battery switch PCB
Battery switch is an open source PCB design by SolidEva, published on GitHub under the MIT license. It is a 2-layer board measuring 15.2 × 15.2 mm, with 3 components from 2 distinct parts.
By type, the board carries 2 connectors and 1 switch.
It belongs with the keyboards, iot & wireless and power & battery designs in this gallery.
From the project
a folding, tenting wireless keyboard
A foldable, portable sibling of the btrfly keyboard https://github.com/SolidHal/btrfly-keyboard
and a variant, the btrfld ulp (ultra low profile)
More images available in "FinishedPictures" folder the btrfld folding and unfolding
- btrfld - choc switches - ~22.5 mm thick
- btrfld ulp - cherry mx ulp switches - ~15.5 mm thick
- 15.5mm thick (btrfld ulp) - 22.5mm thick (btrfld)

Battery switch bill of materials (BOM)
3 components, 2 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | Conn_01x02 | Pin_Header_Straight_1x02_Pitch2.54mm | J1, J2 |
| 1 | SW_SPDT | SPDT_C128955 | SW1 |
Battery switch design files
The KiCad project lives in the SolidEva/btrfld repository on GitHub; these links point at the commit this page was built from.
Battery switch: common questions
How big is the Battery switch PCB?
The Battery switch measures 15.2 × 15.2 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Battery switch?
3 components, from 2 distinct parts. The full bill of materials is listed on this page.
Where can I download the Battery switch design files?
From the SolidEva/btrfld repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Battery switch design in my own project?
Yes, under the terms of its MIT license, which SolidEva chose for the repository.
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