BIQU DIRECT 3D Printer Part Stepstick Mute TMC2209 V1.2 Stepper Motor Driver with Heatsink for SKR V1.3 MKS GEN L Ramps 1.4/1.5/1.6 3D Printer Control Board(Pack of 5pcs) (UART Mode)

• The motor is difficult to lose steps,Ultra-quiet mode
• The module has a large-area cooling pad, it can lower the temperature when drive is working
• The module can prevent the motor from shaking
• The module support locked-motor test
• The module support STEP/DIR and UART mode

BIGTREETECH TMC2209 V1.2 UART firmware https://github.com/MarlinFirmware/Marlin/pull/14215?fbclid=IwAR1QJDcuRzzhg7TihQcsfGTyx4UPcmtfhqhRw0gCzRL5gfqj5ZMC36wpN5M Product Specification Product Size:15.24MM*20.32mm Power Voltage(VM): 4.75v-28V DC Peak Current: 2.8A Current RMS: 2A Microstep 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 detection Package Included TMC2209*5