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A NEMA 17 bipolar stepper motor sold in two torque versions, 13 Ncm and 40 Ncm, for 3D printers, CNC builds and small motion projects. The listing's technical details describe a TMC-style driver setup: up to 2A per phase, 4.75-28V motor supply, 3-5V logic, and up to 1/256 microstepping. StealthChop2 runs quiet by default; SpreadCycle, StallGuard4 and CoolStep are available over UART. The 40 Ncm version suits builds that need more holding torque; the 13 Ncm version suits light, low-load mechanisms.
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This is a Nema 17 stepper motor, offered in 13 Ncm and 40 Ncm versions. It runs on 4.75 to 28 V with up to 2 A per phase, and its logic voltage is 3 V to 5 V.
It is controlled through a Step/Dir interface with microstep function, which interpolates up to 256 microsteps. It can be configured through the CFG pins and UART.
StealthChop2 mode is the default setting and is very quiet. SpreadCycle mode is for high dynamics and torque and can be activated via UART. StallGuard4 detects motor load without a sensor, and CoolStep limits current for efficient operation.
