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White compact mechanical keyboard with brown switches and RGB backlighting

Corn Electronics

Corn Electronics GK21S Gaming Keyboard Brown Switch White

SKU CH-57WS-Z4D8A

A hot-swappable mechanical numpad kit with brown tactile switches, per-key RGB lighting, Bluetooth 5.1 and USB-C connectivity, plus a 750 mAh battery

  • Key SwitchBrown Switch
  • Keyboard ColorWhite

Key Switch Type Brown Switch

Keyboard Color White

  • Tactile feedback with Brown switches
  • 8M colour per-key RGB lighting
  • Bluetooth 5.1 and USB-C dual connectivity
  • Hot-swappable Kailh sockets for easy switch changes
  • 750 mAh battery powers wireless play

Compact Custom Kit

The Corn Electronics GK21S is a compact mechanical keyboard kit built around a 21-key numpad layout. It targets enthusiasts who want to assemble their own typing surface using standard MX-compatible switches and a hot-swappable PCB.

Hot-Swap PCB and Dual Connectivity

A 32-bit MCU drives the board with 8 MB of onboard flash for profile storage. The PCB accepts three-pin or five-pin MX-style switches through Kailh hot-swap sockets and supports plate-mount stabilisers. Connectivity runs through a USB Type-C cable or Bluetooth 5.1 for wireless use.

RGB Lighting and Macro Layers

Three 256-channel LED drivers produce 16.8 million colours with per-key south-facing illumination. Firmware allows music-reactive lighting, custom macro programming and three definable keymap layers. A 750 mAh battery powers the wireless mode.

Ciri-ciri utama

  • Tactile feedback with Brown switches
  • 8M colour per-key RGB lighting
  • Bluetooth 5.1 and USB-C dual connectivity
  • Hot-swappable Kailh sockets for easy switch changes
  • 750 mAh battery powers wireless play

Spesifikasi

Key SwitchBrown Switch
Keyboard ColorWhite

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How fast is the Bluetooth 5.1 connection compared to the wired Type-C link?

Bluetooth 5.1 handles typing and macros wirelessly; the Type-C cable gives a direct USB link for charging and zero-latency use.

What switch footprints and stabiliser style does the white PCB accept?

The anti-RGB lamp sockets fit Cherry, BOX, G-axis and other three- or five-pin MX switches, and the board supports plate-mount stabilisers.

How do I flash a new layout onto the 32-bit MCU without bricking the board?

Connect via Type-C, enter bootloader mode with the key combo shown in the manual, then flash the compiled firmware; the 8 M flash stores three keymap layers.

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