seedhammer/hardware
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[BREAKGLASS] Design files for the SeedHammer II hardware. https://seedhammer.com
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pcb: put the drivers into standby when they're not used 
Saving power is important to extend the capacitor bank during USB PD
power cycles.
2026-02-02 10:06:40 +01:00
.github/workflows .github/workflows: bump nix-install-action version 2026-01-29 12:22:25 +01:00
cad initial import 2025-05-08 20:46:09 +02:00
pcb pcb: put the drivers into standby when they're not used 2026-02-02 10:06:40 +01:00
specs specs: add engraver specs 2026-01-29 12:22:25 +01:00
.gitignore pcb: lower engraving current limit to 2A 2025-06-26 12:17:38 +02:00
go.mod initial import 2025-05-08 20:46:09 +02:00
LICENSE initial import 2025-05-08 20:46:09 +02:00
README.md README.md: clarify LCD model and variant 2025-07-07 11:29:57 +02:00

README.md

SeedHammer II hardware

PCB 3D render PCB 3D render

This repository contains the design files for the SeedHammer II machine.

PCB

The schematic and PCB are in KiCad format.

Generate production files (gerber, BOM, CPL) with the Go script:

$ cd pcb
$ PATH=$PATH:/path/to/kicad-cli go run .

Production boards are manufactured by JLCPCB with the following settings:

  • Surface Finish: ENIG
  • Material Type: FR4 TG155
  • Stackup: JLC04161H-7628 (impedance controlled)

LCD

The LCD is a ER-TFT035IPS-6 with capacitive touch from buydisplay.com. The variant with resistive touch is not supported by the firmware.

CAD

The CAD files for the custom machine parts are in STEP format.