Wakko is a modified Biqu B1. It has been upgraded with a BL Touch, a Big Tree Tech SKR 1.4 Turbo, and Big Tree Tech SKR 2209 Stepper Drivers. It requires custom firmware for the printer.
Wakko has an X, Y, and Z limit switch and uses them for homing. As opposed to Yakko which uses the bl touch to home the Z
If a stepper driver burns out, the replacement must have the auto-sense homing pin cut off.
Kevin P. Created a zip with a configured marlin source tree and a compiled firmware (firmware.bin): https://drive.google.com/file/d/1gp3Oalr3EDDddR8S_TA8diUQjUzh37LQ/view?usp=sharing