@ -7,6 +7,12 @@ Split keyboard firmware for Arduino Pro Micro or other ATmega32u4
based boards.
## Build Guide
A build guide for putting together the Let's Split v2 can be found here: [An Overly Verbose Guide to Building a Let's Split Keyboard](https://github.com/nicinabox/lets-split-guide)
There is additional information there about flashing and adding RGB underglow.
## First Time Setup
Download or clone the whole firmware and navigate to the keyboards/lets_split directory. Once your dev env is setup, you'll be able to generate the default .hex using:
@ -62,8 +68,7 @@ Apart from diodes and key switches for the keyboard matrix in each half, you
will need:
* 2 Arduino Pro Micro's. You can find theses on aliexpress for ≈3.50USD each.
* 2 TRS sockets
* 1 TRS cable.
* 2 TRRS sockets and 1 TRRS cable, or 2 TRS sockets and 1 TRS cable
Alternatively, you can use any sort of cable and socket that has at least 3
wires. If you want to use I2C to communicate between halves, you will need a
@ -77,7 +82,7 @@ A speaker can be hooked-up to either side to the `5` (`C6`) pin and `GND`, and t
Wiring
------
The 3 wires of the TRS cable need to connect GND, VCC, and digital pin 3 (i.e.
The 3 wires of the TRS/TRRS cable need to connect GND, VCC, and digital pin 3 (i.e.
PD0 on the ATmega32u4) between the two Pro Micros.
Then wire your key matrix to any of the remaining 17 IO pins of the pro micro