Make example for this keyboard (after setting up your build environment):
make speedo:default
Flashing example for this keyboard:
make speedo:default:flash
See the build environment setup and the make instructions for more information. Brand new to QMK? Start with our Complete Newbs Guide.
See the QMK docs for handwiring a keyboard; there is a section with instructions on how to flash the .hex file to the Teensy 2.0 controller.