50pcs/Lot Geeetech RepRap 3D Printer StepStick Pololu A4988 Stepper Motor Driver For Sanguinololu Arduino Mega Ramps
|45 days Money back Returns accepted if product not as described, buyer pays return shipping; or keep the product & agree refund with seller.|
Guarantees: On-time Delivery 60 days
RepRap StepStick Pololu A4988 stepper motor driver for Sanguinololu Arduino Mega RAMPS
This product is a carrier board or breakout board for Allegro’s A4988 DMOS Microstepping Driver; This stepper motor driver lets you to operate bipolar stepper motors in full-, half-, quarter-, eighth-, and sixteenth-step modes, with an output drive capacity of up to 35 V and 1 A.
We recommend careful reading of the A4988 datasheet before using this product.
1) Simple step and direction control interface
2) Full-step, Half-step, Quarter-step, Eighth-step, and Sixteenth-step
3) Adjustable current control
4) Intelligent chopping control
5) Over-temperature thermal shutdown
6) Under-voltage lockout
7) Crossover-current protection
8) Short-to-ground and shorted-load protection
50 x A4988 stepper driver
1.Standard shipping carrier is ePacket with tracking code for United States address,delivery within 7-14 busienss days.
2.For outside US address,standard shipping carrier is Hong Kong Post ,delivery within 10-25 business days.
3.Express shipping like DHL,Fedex,UPS,TNT is also avaiable if you are willing to pay extra.DHL is our standard shipping carrier for Expedited shipping,please contact us if you want a different carrier.
Terms of sales
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|Shipping Company||Shipping Cost||Estimated Delivery Time|
|3 - 7 days|
|3 - 7 days|
|5 - 14 days|
|Post Air Mail||Free Shipping||15 - 45 days|
|Return Policy||If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.
N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
|Seller Service||On-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).|
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