A4988 Stepper Motor Driver Module Stepstick 3d Printer Polulu Ramps Reprap

US $210

ShenZhen, China
Jun 4th

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A4988 Stepper Motor Driver Module StepStick 3D Printer Polulu RAMPS RepRap Features: 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 Warning Connecting or disconnecting a stepper motor while the driver is powered can destroy the driver. (More generally, rewiring anything while it is powered is asking for trouble.) Package Included: 1PCS*A4988 Stepper Motor Driver Module StepStick 3D Printer Polulu RAMPS RepRap Shipping Feedback Payment Return/Refund We will ship to worldwide by 1) Standard Economy Airmail , or 2) Registered Airmail with Tracking. It takes approximately 18 to 35 working days for delivery (business days – excluding holidays), kindly be patient. If you do not receive your delivery within the specified time frame, please contact us via eBay message for assistance. Kindly ensure that your delivery address in eBay & Paypal are the same to avoid delivery failure. Any non-received item caused by invalid address is not eligible for refund or replacement. Please ensure your purchased item(s) can be lawfully imported into and complies with all laws and regulations of the destination country. IMPORTANT NOTE: Custom duty is obligation and liability. Buyers are responsible for import duties, custom fees and taxes, if any. Kindly check with your country’s custom office to determine the additional costs impose on the item prior to purchase. We are NOT responsible for the additional costs incurred related to import duties, custom fees and taxes. Please leave a note in eBay ONLY if you got special request (e.g. colour). Kindly note that special request is subject to availability; we does NOT guarantee for random ship items. We will greatly appreciate your positive feedback and all 5-star DSRs. If we have not given you reason enough for 5-star grades on each DSR, please let us know how we can earn your 5 star rating before submitting your scores. We accept PayPal payment only, and must be received within 3 days from the date of purchase. Please leave note in PayPal when making the payment if you have any special requests. Orders will be processed instantly and dispatched within 1-2 days, so we do NOT accept any email/message note after you place orders. IMPORTANT! PLEASE READ! Buyers are responsible for import duties, custom fees and taxes, if any. Please check with your country Kindly examine your parcel upon receiving your purchase and inform us via eBay message of any damage/defects with clear photographs/pictures/videos as proof within the first 24 hours upon receiving your purchase. NO claims will be liable or entertain after this time period. If you are not happy with your purchase for valid reason, you can return the product to us within the first 14 days after receiving the product. All shipping charges (both ways), handling and packaging costs will be charged to the buyer. The product must be sent back to us in original condition with no defect (new, unused and unopened) within first 14 days of receiving the product. No scratches, damages whatsoever & No altering of any part of the item. Original box/documentation/accessories (if any) and packaging. Buyer is responsible for return shipping cost. Please allow up to 5 working days to process your return items. On Jun-04-16 at 05:59:29 PDT, seller added the following information: