For HHKB Pro2 Series YDKB Keyboard Controller Board USB /BLE Replacement Parts - Fresh Stock Dated February 2026

Description

Attention:
--Supported Model List:
--PD-KB400W: for HHKB Professional 2 White with lettering regular version
--PD-KB400WN: for HHKB Professional 2 White no Lettering regular edition
--PD-KB400WS: for HHKB Professional 2 White lettering Type-S silent version
--PD-KB400WNS: for HHKB Professional 2 White no lettering Type-S silent
--PD-KB400B: for HHKB Professional 2 Black with lettering regular version
--PD-KB400BN: for HHKB Professional 2 Black no lettering regular edition
Main Features:
--The whole modification does not require welding. Just screw the screw and pull out the cable to change the main control, which is very easy.
--USB and Bluetooth 4.0 modes. You can switch between wired and bluetooth when plugged in, and charge through the USB data interface.
--Under USB, it supports full-key no-rush (can be switched by left and right Shift+N); under Bluetooth, it supports any 6-button no-rush.
--All key positions support customization. The firmware function is based on tmk, and the [ydkb.io] graphical tool is used, which is simple and easy to understand.
--Qmk-based firmware that supports VIA is also available. See [via.ydkb.io]
--Automatic energy saving, extremely fast wake-up. The original Lock Mode prevents the buttons in the bag from being pressed and consumes power, making it easy to carry.
--Most new systems support power display.
--USB HUB (USB2.0, only available in wired mode), mainly for aesthetics. There are three in total, two external and one internal.
--The main control comes with charging and LED3 indicator. The front also supports the installation of three indicator lights (LED1, 2, and 3).
Package Included:
--1 x Controller Board
--3 x LED Lights