Purchase the Scotto9 3D-Printed case here: null In this video, I hope to show you the concepts that are used to handwire mechanical keyboards. We're going to be using a simple 3x3 macropad to do this. ~ Links ~ Files: https://github.com/joe-scotto/keyboards QMK: https://github.com/qmk/qmk_firmware Cases, Keyboards, and Keycaps: null ~ Parts ~ 1N4148 Diode: https://amzn.to/3Ccljbb 16g Copper Wire: https://amzn.to/3xLDVvJ Wire: https://amzn.to/3E3q1cD Pro Micro: https://amzn.to/3dyy6ei Spacers & Screws: https://amzn.to/3UwpkOD ~ Tools ~ TS100: https://amzn.to/3LCsrkb 63/37 Solder: https://amzn.to/3DOBv3y ~ Timestamps ~ 0:00 - Intro 0:41 - Matrix 2:10 - Controller 3:41 - Columns 4:31 - Diodes 5:02 - Rows 5:47 - Case 6:25 - Wire 7:23 - Matrix Wiring 12:28 - Firmware 19:51 - Controller Wiring 20:44 - Outro ~ Social ~ https://instagram.com/joe_scotto https://twitter.com/joe_scotto https://ko-fi.com/joe_scotto ~ Disclaimer ~ Some links may be affiliate links where I will make a small commission. Nothing in this video was sponsored by any outside party and I wasn't paid for the content in this video.