Unified Daughterboards

€9,95 EUR

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Version C4 S1

KEEBD - Keyboards, Cases, Switches, Parts and Accessories

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The Unified Daughterboard Project is an open source project designed to standardize the USB daughterboards used in custom keyboards, spearheaded by many community contributors such as ai03. The goal of the project is to provide standards that are easy to build upon to incentivize DIY in the keyboard hobby, while providing an easy pipeline for replacements.

Over the years, new additions to the project have been added. The current lineup consists of the S1 and C4. The C4 is designed to fit into keyboards like the Bakeneko where the C3 was once used.

We include two cables, one with a JST termination and one with Molex to help ensure backwards compatibility.

Extra cables in various lengths can be purchased here

C4 Features

Square formfactor, allowing for backwards compatibility
ESD protection, overcurrent protection, overvoltage protection, shielding noise decoupling, and single-path grounding to the keyboard case
New durable Molex Pico-EZmate Connector that clips in vertically
1:1 connector pinout, allowing for backwards compatibility
Backwards compatible with keyboards that used the C3 Unified Daughterboard
Overall size: 18 x 16.5 mm
Screw holes: 14 x 12.5 mm apart
4 x M2 Screws

S1 Features

Slim formfactor
ESD protection, overcurrent protection, overvoltage protection, shielding noise decoupling, and single-path grounding to the keyboard case
New durable Molex Pico-EZmate Connector that clips in vertically
1:1 connector pinout, allowing for backwards compatibility
Overall size: 40 x 9 mm
Screw holes: 33 mm apart
2 x M3 Screws

Includes

1 x Unified Daughterboard

1 x 170mm Molex Pico-EZmate Cable

1 x 170mm Molex Pico-EZmate to JST Cable