Contra 40% Keyboard Kit
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The Contra is a 40% ortholinear keyboard in either a 48 keys grid or 47 keys with a 2 key-wide spacebar supported by a Cherry style 2u PCB mount stabilizer,
This keyboard runs QMK and the firmware can be found here.
NOTE: Assembled keyboards will include 1 Pro Micro Controller and can take 1-2 weeks to ship as they are built to order.
Please leave a note at checkout with the layout you would like if purchasing switches/stabs with the assembly option.
Kit Includes
1 x FR4 Switch Plate
1 x Contra PCB
1 x Acrylic Bottom Plate
1 x 6x6 Tactile Switch
5 x 9mm Brass Standoffs
5 x 4mm Screws
5 x 6mm Screws
48 x Diodes (Through Hole)
4 x Rubber Feet
Required to Complete
1 x Pro Micro Controller (Comes with Headers to Direct Attach)
47-48 x Switches (47 if you want a 2U spacebar)
47-48 x Key Caps (47x 1u Key Caps, 1 x 2u Key Cap for Spacebar) or 48 x 1u Key Caps
1 x 2u Plate Mount Stabilizer (for the Spacebar)
Optional Items
NOTE: Due to the limited space between the PCB and bottom plate In order to hotswap/socket the Controller we recommend using diode/resistor legs like this or the 25 Pack Mill-Max Machined Pins
2 x 40 Pin Machined Breakable Female Header (Enable Controller Hot Swap)
2 x 40 Pin Machined Breakable Male Header (Enable Controller Hot Swap)
Build Instructions
This keyboard is designed by AI03.



Switches
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Sunset Tactile Choc Switches
Regular price From $15.00Regular priceUnit price per -
Gateron Brown
Regular price $4.50Regular priceUnit price per -
Gateron Red
Regular price $4.50Regular priceUnit price per -
Gateron Milky Yellow
Regular price $4.50Regular priceUnit price per