description<br /><br />special service:<br />deliver goodsthe  .<br />you could receive the goods in 2~5<br /><br />description<br /><br />the drv8825 stepper motor driver carrier is a breakout board for ti's drv8825 microstepping bipolar stepper <br /><br />motor driver. the module has a pinout and interface that are nearly identical to those of our a4988 stepper motor <br /><br />driver board， so it can be used as a higher-performance drop-in replacement for those boards in many applications.<br /><br />the drv8825 features adjustable current limiting， overcurrent and overtemperature protection， and six microstep <br /><br />resolutions down to 1/32-step. it operates8.2 &amp;ndash; 45 v and can deliver up to approximately 1.5 a per <br /><br />phase without a heat sink or forced air flow rated for up to 2.2 a per coil with sufficient additional cooling.<br /><br />simple step and direction control interface<br /><br />1.simple step and direction control interface<br /><br />2.six different step resolutions: full-step， half-step， 1/4-step， 1/8-step， 1/16-step， and 1/32-step<br /><br />3.adjustable current control lets you set the maximum current output with a potentiometer， which lets you use <br /><br />   voltages above your stepper motor's rated voltage to achieve higher step rates.<br /><br />4.45 v maximum supply voltage<br /><br />5.built-in regulator no external logic voltage supply needed<br /><br />6.can interface directly with 3.3 v and 5 v systems<br /><br />7.over-temperature thermal shutdown， over-current shutdown， and under-voltage lockout<br /><br />8. short-to-ground and shorted-load protection<br /><br />9. 4-layer， 2 oz copper pcb for improved heat dissipation<br /><br />10.exposed solderable ground pad below the driver ic on the bottom of the pcb<br /><br />11.module size， pinout， and interface match those of our a4988 stepper motor driver carriers in most respects <br /><br />package included<br /><br />1 x drv8825 stepper motor driver module <br /><br />1 x heat sink