GS80-3000, a replacement PCB for Cherry G80/G81-1000/3000 series boards

Background：
As a longtime Cherry OG lover, I’ve struggled to find replacement PCBs for these iconic boards due to outdated protocols, controllers, and connectors. To solve this, my friend and I co-developed three PCBs: GS80-3000, GS80-1800, and GS80-3700, designed to revive Cherry’s G80/G81-1000/3000, G80/G81-1800, and G80-3700 series (and boards sharing their molds).







IC Form
https://forms.gle/S5VpWqJfTMUuJyuJ8

Improvements in GS80-3000
Based on the open-source Chili PCB, we’ve made these adjustments:

1.Added ZH1.5 Port

Compatible with the original 5-pin USB cables of Cherry G80/G81-1800/3000. Just plug it in and use it.

2.Off-Center 1.25u Bottom Row Support

Supports some WK G81-3000 boards with Off-Center 1.25u keycaps.

3.ZH1.5 Daughter Board (Optional)



If your cable is long, it may hit the bottom case, so we designed this daughter board. The daughter board connects to the main PCB via ZH1.5, letting you place cables easily





PCB Specs
Material: FR4
Thickness: 1.6mm
Solder Mask: Yellow
Surface Finish: HASL (No ENIG)
Connectivity: Wired-only, Type-C + ZH1.5 connector
Mounting: Soldered
Firmware: QMK/VIA compatible
Case Compatibility:
Old/New mold G80/G81-1000/3000 series boards

*PCB is incompatible with models like G80-3108, G80-1207, G80-1080 that have extra F13-F16 keys

Layout Support:

Stepped Caps, Split L/R Shifts, ISO/BAE Enter, Split Backspace, Off-Center 1.25u bottom row, 7u/10u spacebars, Split 2u "0/+"



how off-center 1.25u bottom row works:



Pricing

PCB: $70/pcs

ZH1.5 Daughter Board: $5/pcs

Vendor: Keyspensory

Future Plans
After GS80-3000 GB, we’ll launch:

GS80-1800

Added an optional USB-A Hub Daughter Board (via ZH1.5) for G80-186x boards' dual-port hub support. Sold separately.

GS80-3700

Optional layout support of 4x1u to 2x2u on the top row

Contect:
E-mail:[email protected]
vendor link: keyspensory