?<img src="http://gdetail.image-gmkt.com/030/717423496/2016/5/06d1fe5f-f827-4eab-99e9-963d820da881.jpg" undefined="" width="940" height="1103"><br><div style="text-align: left;"><table style="border-collapse: collapse; width: 183.75pt;" width="245"> <tbody>  <tr style="height: 50.00pf;">   <td width="245" style="color: #000000; font-size: 11.0pt; font-weight: 400; text-decoration: none; text-align: left; vertical-align: middle; white-space: normal; height: 49.50pt; width: 183.75pt;">Features:<br>This product is a breakout board for A4988 DMOS Microstepping Driver with Translator and Overcurrent Protection.<br>This stepper motor driver lets you to operate bipolar stepper motors in full- half- quarter- eighth- and sixteenth-step modes <br>with an output drive capacity of up to 35 V and 2 A<br> <br>Maximum output current is 1A<br>Simple step and direction control interface<br>Five different step resolutions: full-step half-step quarter-step eighth-step and sixteenth-step<br>Adjustable current control lets you set the maximum current output with a potentiometer which lets you use voltages above <br>your stepper motor's rated voltage toachieve higher step rates<br>Intelligent chopping control that automatically selects the correct current decay mode (fast decay or slow decay)<br>Over-temperature thermal shutdown under-voltage lockout and crossover-current protection<br>Short-to-ground and shorted-load protection<br> <br>Specifications:<br>Dimensions:20 x 15x 11 mm<br>Heatsink size:9 x 9 x 5 mm<br>Color:Green<br>Net weight:3 g<br>Package weight:13 g<br> <br>Package included:<br>1 x A4988stepper motor<br>1 x heatsink</td>  </tr> </tbody></table><br><br><img src="http://g02.a.alicdn.com/kf/HTB1t6szHFXXXXagXpXXq6xXFXXXz/1pc-Reprap-Stepper-Driver-pololu-A4988-stepper-motor-driver-module-with-aluminum-heat-sink-for-ramps.jpg"  undefined="" width="940" height="940"> <br><br><img src="http://g02.a.alicdn.com/kf/HTB1jFkEHFXXXXc1XXXXq6xXFXXX9/1pc-Reprap-Stepper-Driver-pololu-A4988-stepper-motor-driver-module-with-aluminum-heat-sink-for-ramps.jpg"  undefined="" width="940" height="940"> <br><br><img src="http://g01.a.alicdn.com/kf/HTB12RIFHFXXXXcCXXXXq6xXFXXXv/1pc-Reprap-Stepper-Driver-pololu-A4988-stepper-motor-driver-module-with-aluminum-heat-sink-for-ramps.jpg"  undefined="" width="940" height="940"> <br><br><img src="http://g02.a.alicdn.com/kf/HTB1dQ7IHFXXXXbvXXXXq6xXFXXXN/1pc-Reprap-Stepper-Driver-pololu-A4988-stepper-motor-driver-module-with-aluminum-heat-sink-for-ramps.jpg"  undefined="" width="940" height="940"> <br><br><img src="http://g03.a.alicdn.com/kf/HTB1jU46MpXXXXXJXFXXq6xXFXXXh/1pc-Reprap-Stepper-Driver-pololu-A4988-stepper-motor-driver-module-with-aluminum-heat-sink-for-ramps.jpg"  undefined="" width="940" height="940"> <br><br><img src="http://g02.a.alicdn.com/kf/HTB1A9gsHFXXXXbAXpXXq6xXFXXX7/1pc-Reprap-Stepper-Driver-pololu-A4988-stepper-motor-driver-module-with-aluminum-heat-sink-for-ramps.jpg"  undefined="" width="940" height="940"><br>