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Praćeni artikli Prijava
White mechanical keyboard PCB with black switches and RGB LEDs

Corn Electronics

Corn Electronics GK21S Gaming Keyboard Black Switch White 32 bit MCU Bluetooth 5.1 750mAH

SKU CH-YFSJ-KMMZT

A custom mechanical keyboard kit with hot-swappable switches, 16.8M RGB lighting, Bluetooth 5.1 dual-mode connectivity and a 750mAh battery

  • Key SwitchBlack Switch
  • Keyboard ColorWhite

Key Switch Type Black Switch

Keyboard Color White

  • 32-bit MCU and 8 MB flash deliver responsive custom firmware
  • Bluetooth 5.1 plus Type-C USB give flexible dual-mode connectivity
  • Hot-swappable Kailh sockets let you change switches without soldering
  • 8 million-colour per-key RGB with music-reactive lighting effects
  • 750 mAh battery supports extended wireless gaming sessions

GK21S kit with hot-swappable PCB

The Corn Electronics GK21S is a custom mechanical keyboard kit built around a hot-swappable PCB that accepts three- or five-pin MX-style switches. It ships with black linear switches installed and a white case, aimed at enthusiasts who want to assemble or modify their own layout without soldering.

Dual-mode Type-C and Bluetooth 5.1

Connectivity runs through a detachable Type-C cable or Bluetooth 5.1, powered by a built-in 750mAH lithium cell. The 32-bit MCU and 8M flash handle lighting and macro storage with negligible draw, so the board stays cool and silent whether wired or wireless.

Per-key RGB driver with music rhythm

Three 256×256×256 LED driver chips produce 16.8 million colours per key and enable reactive music-rhythm effects. The firmware supports three programmable layers and custom macros, while the anti-RGB lamp position and plate-mount stabiliser cutouts keep switch compatibility broad.

Istaknuto

  • 32-bit MCU and 8 MB flash deliver responsive custom firmware
  • Bluetooth 5.1 plus Type-C USB give flexible dual-mode connectivity
  • Hot-swappable Kailh sockets let you change switches without soldering
  • 8 million-colour per-key RGB with music-reactive lighting effects
  • 750 mAh battery supports extended wireless gaming sessions

Specifikacije

Key SwitchBlack Switch
Keyboard ColorWhite

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How do I install the GK21S keyboard and what step do people often miss?

Connect via the Type-C USB cable or pair using Bluetooth 5.1, then install the driver software to enable macro programming and the three customisable layers; the step most people skip is installing the driver before customising keys.

What maintenance or replacement will the GK21S need over time?

The hot-pluggable Kailh sockets let you swap individual MX-compatible switches — Cherry, BOX or G-type — without soldering, and the 750mAH lithium battery can be recharged via Type-C whenever runtime drops.

What limit appears first during extended gaming sessions on the GK21S?

The 750mAH battery will deplete first under sustained wireless use with RGB lighting active; plug in the Type-C cable to continue without interruption while the cell recharges.

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