Quantity   Component name
2 × 5 position 0.1" headers Stubby ones work best, but really any length will do. Just trim after soldering.
2 × Omron style tactile switches
2 × Short lengths of wire wrap wire I like wire wrap wire because it is usually teflon coated and is easier to work with than PVC coated wire.
1 × TrinKey PCB Check GIT for the latest files
1 × Trinket From Adafruit.com