Geeetech Stepper Driver A4988 With Heatsink Sticker Ramps Prusa I3 3d Printer

US $1600

Hong Kong, China
May 24th

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Welcome to my store!! Description Features: This product is a breakout board for Allegro’s A4988 DMOS Microstepping Driver with Translator and Overcurrent Protection; please read the A4988 datasheet carefully before using this product. 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 2 A. The translator is the key to the easy implementation of the A4988. Simply inputting one pulse on the STEP input drives the motor one microstep. There are no phase sequence tables, high frequency control lines, or complex interfaces to program.The A4988 interface is an ideal fit for applications where a complex microprocessor is unavailable or is overburdened. Simple step and direction control interface Five different step resolutions: full-step, half-step, quarter-step, eighth-step, and sixteenth-step Adjustable current control lets you set the maximum current output with a potentiometer, which lets you use voltages above your stepper motor’s rated voltage to achieve higher step rates Intelligent chopping control that automatically selects the correct current decay mode (fast decay or slow decay) Over-temperature thermal shutdown, under-voltage lockout, and crossover-current protection Short-to-ground and shorted-load protection Package list: 1 X A4988 stepper motor driver 1 X heatsink 1 X sticker Payment 1.We accept PayPal only. 2.Payment must be received within 7 business days of auction closing.,or a unpaid case will be opened. Delivery details 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 without tracking code,delivery within 25-30 business days. We provide a free tracking for order above 45USD. For the order below 45USD, if you choose "Economy Int'l Shipping", there is no tracking number by Normal mail. If you choose "Standard Int'l Shipping", there is a tracking number by Registered mail. 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. 4.For orders overweight (above 2kg), we must use Express shipping, it normally takes 5-7 busienss days to deliver. We will contact you if your orders are overweight, please note that buyer are resposible for the shipping charge. Terms of sales 1.Customs duties or taxes are buyer's resposibility for all of the listings.Please check with your local customs office if you have any doubts. 2.Please confirm you are putting a correct and complete shipping address here.You are resposible for extra charge if your package been returned because of wrong address.If packages return because of wrong address,you will have to bear extra cost of shipping. Contact us 1.We are always here for you,offering friendly, comprehensive customer service every step of the way. Please follow the good eBay practice to contact us if any doubts and problems.We sincerely hope our item and customer service can give you the BEST BUYING EXPERIENCE on eBay. 2.We greatly appreciate your POSITIVE feedback. Please do NOT leave negative or neutral feedback without any contact. On May-12-16 at 22:03:47 PDT, seller added the following information: