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readme.md

rp2040_orbweaver

QMK firmware for RP2040 based MCU replacement PCB for the Razer Orbweaver gaming keypad

RP2040 Orbweaver

This firmware is for the Razer Orbweaver Chroma keypad with a custom, plug and play, RP2040 MCU PCB. For installation instructions and board availability see geekhack.

The firmware controls a 6x5 key matrix (4x5 keypad + 6 additional keys on the thumb pad and up to 4 additional keys added by user). It also controls a IS31FL3731 RGB Matrix controller (on the Chroma model) via I2C interface. This requires a single I2C Driver with 20 common anode RGB LEDs.

Key 20 (bottom right) is used to switch layers.

The default key map provides 3 preset layers.

(layer 0) is a generic layer based on the original Razer defaults.
(layer 1) replaces modifier keys with letter keys.
(layer 2) replaces the 2 top rows with RGB control keys.

The three LEDs on the thumb pad indicate the active layer.

Blue = layer 0
Green = layer 1
Yellow = layer 3

All LEDs will be off when any other (user added) layout is activated

A set of RGB animations are included in confg.h. These are controlled by activating the Yellow layer and using keys 01 - 11 (11 toggles the lighting on and off - see /keymaps/default/keymap.c for more information)

Many thanks to a_marmot. Without his original handwired project, this board would not have been possible. His original work can be found here. geekhack.

Make example for this keyboard (after setting up your build environment):

make lostdotfish/rp2040_orbweaver:default

Flashing example for this keyboard:

make lostdotfish/rp2040_orbweaver:default:flash

See the build environment setup and the make instructions for more information. Brand new to QMK? Start with our Complete Newbs Guide.

Bootloader

Enter the bootloader in 2 ways:

  • Press and hold the upper left hand key on the main keyboard while you plug in the USB.
  • Press and release the boot button on the top of the RP2040_Orbweaver v2.0 inside the modded unit.