TMC2209--The motor is not easy to lose step; ultra-quiet mode;
TMC2209--A large area of thermal pad, reduce the temperature of the driving work;
TMC2209--Prevent motor shake;Support stall detection;Support STEP / DIR and UART mode
SKR V1.4 Turbo Using 32-bit 120MHz ARM-class Cortex-M3 series LPC1769 main control chip, the performance is greatly improved;1-way CNC fan,3-way Frequent fans.
BTT SKR V1.4 open source information URL:https://github.com/bigtreetech/BIGTREETECH-SKR-V1.3/tree/master/BTT%20SKR%20V1.4