This Pololu breakout board for TI’s DRV8434S microstepping bipolar stepper motor driver operates from 4.5 V to 48 V and can deliver up to approximately 1.2 A continuous per phase without a heat sink or forced air flow (2 A peak). The SPI interface allows configuration of the current limit, step mode (11 step modes from full-step through 1/256-step), decay mode, and stall detection. The driver also features built-in protection against under-voltage, over-current, and over-temperature conditions. This version of has the maximum current limit set to a fixed 2A, and SPI can be used to set the actual current limit to any of 16 evenly spaced values from 125 mA up to 2 A (i.e. in increments of 125 mA).Please check this productpage of Pololu for more information about this item: https://www.pololu.com/product/3768 https://elecena.pl/product/27745184/pololu-drv8434s-spi-stepper-motor-driver-carrier-2a-max-current-limit 2025-01-23 https://elecena.pl/product/27745184/pololu-drv8434s-spi-stepper-motor-driver-carrier-2a-max-current-limit 2025-03-23 https://elecena.pl/product/27745184/pololu-drv8434s-spi-stepper-motor-driver-carrier-2a-max-current-limit 2025-04-21 https://elecena.pl/product/27745184/pololu-drv8434s-spi-stepper-motor-driver-carrier-2a-max-current-limit 2025-06-03 https://elecena.pl/product/27745184/pololu-drv8434s-spi-stepper-motor-driver-carrier-2a-max-current-limit 2025-06-19 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