Phantom PCB Dual Layer Tenkeyless Electrical Board (MK)

The Phantom Tenkeyless PCB is intended for do-it-yourself kits. Mechanical Keyboards Inc cannot be held liable for damage caused by this PCB board; including, but not limited to, damage from improper installation. Use at your own risk.

Detailed Instructions on Deskthority

(most of the content below from bavman on geekhack.org)
The Phantom PCB is a custom tenkeyless board designed by bpiphany (formally PrinsValium) to be used with the teensy 2 programmable usb controller and a mounting plate. Compatible / to be used with:

• 1.5x and 1.25x modifiers
• Center stemmed and off-center caps lock
• 7x Cherry spacebars
• ISO and ANSI layouts
• 5 extra keys above the arrow key cluster
• Costar and Cherry stabilizers
• 6KRO over USB
• In-switch LED at caps/scroll lock and Filco style LEDs
• Switch top removal without desoldering
• LED brightness control
• Firmware source code can be used to remap keys

Other Items You'll Need:

• TKL Case
• Mounting plate
• 100 Diodes (1N4148)
• 2 LEDs
• 2 Resistors for LEDs
• 2 LED stand-offs for filco-style LEDs
• Cherry MX switches
• A Teensy 2.0 controller with header pins
• Stabilizers (Costar or Cherry)

Tools You'll Need:

• Soldering iron
• Solder
• Wire cutter
• Optional: Desoldering tool
• Optional: MultiMeter