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BIGTREETECH TMC2209 V1.2 UART Firmwarehttps://github.com/MarlinFirmware/Marlin/pull/14215?fbclid=IwAR1QJDcuRzzhg7TihQcsfGTyx4UPcmtfhqhRw0gCzRL5gfqj5ZMC36wpN5MProduct Specification Product Size:15.24mm*20.32mm Power Voltage(VM):4.75V---28V DC Peak Current:2.8A Current RMS:2AMicrostep Setting:2、4、8、16(can be divided into 256 parts)Max microstep:256 Operating Mode:STEP/DIR or UART What’s difference between TMC2209 V1.2 &TMC2208 Driver TMC2209 V1.2 VS TMC2208, more of these functions: 1. Blocking rotation detection Stallguard--TMC2209 provides a load and loss of speed detection technology 2. Current dynamic adjustment Coolstep--TMC2209 provides a current dynamic regulation technology that saves up to 75% of electrical energy. - StealthChop2 - for quiet operation and smooth motion - SpreadCycle - highly dynamic motor control chopper - CoolStep - current control for energy savings - StallGuard4 - sensorless motor load detectionPackage Included TMC2209*5