LK201 Keyboard Schematic

This document contains a series of technical schematic diagrams and a key matrix mapping for the LK201 keyboard.

Contents:

• Pages 1-2: Electronic schematics detailing the microcontroller (8051), interface buffers, LED control, and beeper circuitry.
• Pages 3-5: Detailed key matrix charts that define the row and column connections for each key on the LK201 keyboard layout.