Adding Barni keyboard

hackboards/Barni_keyboard/README.md

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+![Barni Keyboard](assets/case.png)
+
+# Barni Keyboard
+
+Barni Keyboard is a cool custom keyboard with 106 keys and colorful lights for each key. It has a small OLED screen that shows the time and other info, plus a rotary knob to easily scroll through menus. This keyboard is perfect for gamers, coders, or anyone looking for a unique and fun typing experience.
+
+## BOM (Bill of Materials)
+
+- 106 Key switches (Gateron Clear Switches, ~$0.50 each) --> Total: ~$53.00
+
+- 105 Diodes (1N4148 SMD, ~$0.10 each) --> Total: ~$10.50
+
+- 105 LEDs (SK6812MINI for per-key lighting, ~$0.50 each) --> Total: ~$52.50
+
+- Keycap set (YMDK White Backlit 108 Keycaps(Cherry Profile Double Shot Shine Through/108 TKL 61 Using), ~$23.00 total) --> Total: ~$23.00
+
+- Stabilizers (Durock V2, high-quality for smooth feel, ~$20.00 total) --> Total: ~$20.00
+
+- Fasteners (screws, nuts, etc., assorted) --> Total: ~$8.00
+
+- Misc Electronics (resistors, Kailh hotswap sockets, etc., ~$15.00 total) --> Total: ~$15.00
+
+- Raspberry Pi Pico (official board, ~$4.00 each) --> Total: ~$4.00
+
+- OLED Display (0.96" module, ~$3.00 each) --> Total: ~$3.00
+
+- IO Expander (STMPE1600, for extended I/O, ~$3.00 each) --> Total: ~$3.00
+
+- Rotary Encoder (Alps EC11, ~$1.00 each) --> Total: ~$1.00 
+
+- PCB --> Total: $110.00 (I checked on a locak manufacturer)  
+
+- 3D print (no price, included)
+
+Total $302.00  
+
+
+## Images of the keyboard
+![Schematic](assets/schematic.png)  
+![PCB](assets/pcb.png)  
+![Case](assets/case.png)