TMC2226 V1.0. Not into sensorless homing, at least not yet. I wanted to to get the biggest ender extender 400X400 but the cabinet / shelf wont accomidate so I settled for 300 x 300. at least there were a few print projects I wanted to do that 235 X 235 wont..waiting for NEW hot end to arrive monday as wire came un_soldered of fan motor. soon as get new hot end and make sure all works, then ender extender kit. Or the SKR 1.4 Turbo then extender kit?