Contra 40% Keyboard Kit

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.

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 MX Switches (47 if you want a 2U spacebar)

47-48 x MX Keycaps (47x 1u Key Caps, 1 x 2u Key Cap for Spacebar) or 48 x 1u Key Caps

1 x 2u PCB 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

Contra Build Guide

This keyboard is designed by AI03.