**Note:** This GH60 Satan firmware will not be compatible with the GH60 Rev C PCB. Conversely, the GH60 Rev C firmware will not be compatible with this PCB. Please ensure you have the correct firmware/pcb combination before flashing.
See the [build environment setup](https://docs.qmk.fm/#/getting_started_build_tools) and the [make instructions](https://docs.qmk.fm/#/getting_started_make_guide) for more information. Brand new to QMK? Start with our [Complete Newbs Guide](https://docs.qmk.fm/#/newbs).
## RGB Underglow (WS2812B LED Strip)
This board also supports underglow with a slight mod.
Connect the DIN pad of the LED strip to PE2 on the ATmega32U4, like so:

Then connect VCC and GND to pins 1 and 6 at the bottom of the PCB:

## ISP Header
If you want to flash another bootloader (such as QMK-DFU), or can't get into the bootloader in the first place, the row of pins at the bottom can be used to ISP flash the board: