Add 4pi support. (Extremely experimental) - #28533

Draft

ellensp wants to merge 8 commits into

MarlinFirmware:bugfix-2.1.xfrom

ellensp:add-4pi

Commits on Aug 24, 2026

initial 4pi support
ellensp
committed
9e56577
add usb
ellensp
committed
6ec2c8e
add sd support
ellensp
committed
c79b9f8
update LEDs
ellensp
committed
8794fe2
add Arduino random()
ellensp
committed
a2f83b6
format pins file
ellensp
committed
00d190c
after prettier
ellensp
committed
6350164

Commits on Aug 25, 2026

Merge branch 'bugfix-2.1.x' into pr/28533
thinkyhead
committed
c97aa70