The LATE-9 is a multi-tap input keyboard based on mobile phones from the late '90s. LATE-9 is intended as a dev board with 18 buttons and an OLED screen, made by through-hole components only. With this, you can experiment QMK OLED capabilities with very little expense.
Read the full development log on my website: rookiebwoy.eu ivndbt.com.
Here you can find the gerbers I used to manufacture the LATE-9.
PCB's frontside and backside.
- Total PCB dimensions are 97.63mm x 47.62mm
| Qty | Description |
|---|---|
| 1x | Pro-Micro (or clone with ATmega32u4) |
| 1x | SSD1306 0.91" 128x32 IIC OLED Screen |
| 18x | Diodes THT do-35 1N4148 |
| 18x | Button switch 4 pin 6mm x 6mm |
You can find the QMK Firmware for LATE-9 on the official QMK repository at this link.
Here some links to discussions/articles that I used for achieve this project:
- @drashna comment to this reddit thread for triple tap dance function
- splitkb.com for the walkthrough about display your own logo on OLED screens

