KEYESTUDIO CNC GRBL V0.9 Microcontroller Board + 3X A4988 Kit for Arduino Shield

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KEYESTUDIO CNC GRBL V0.9 Microcontroller Board + 3X A4988 Kit for Arduino Shield
Product Description
Introduction
This kit mainly includes a keyestudio CNC V0.9A and three A4988 driver modules.
Keyestudio CNC GRBL V0.9 is a main board developed by Keyestudio for CNC, laser engraving machine, writing robots and other robots. It has complete interfaces with cost-effective and can be driven via external connection, suitable for DIY and factory use.
The A4988 is a DMOS microstepping driver with converter and overcurrent protection, which can operate a bipolar stepper motor in full, half, 1/4, 1/8 and 1/16 step modes, with output-driven performance up to 35 V and ± 2A. The A4988 also includes a fixed off-time current regulator that operates in slow or mixed-decay modes.
Specifications of CNC V0.9A
1.Microprocessor：MEGA328p
2.Input Voltage：DC 12V
3.Supporting File Format：Gcode
4.Supporting Machine Structure：CNC, laser engraving machine, writing robots.
Features of A4988 Driver
1.With simple stepper and direction control interface.
2.Five different step modes: full, half, 1/4, 1/8 and 1/16 step modes.
3.Adjustable potentiometer used to adjust the max current output to gain higher step rate.
5.Overheat closed circuit, under-voltage lockout, cross-current protection.
6.Ground short-circuit protection and load short-circuit protection.
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Any question. Please leave a message in the order before you pay.
If you need to buy in bulk, I will offer the best price.
Delivery details
All items will be wrapped safely in bubble bags and then put into sturdy cartons, items will be shipped from China via airmail.
For urgent parcel, you can email us and choose Fedex, DHL, UPS, EMS etc., but you need to pay extra fee.
Terms of sales
We absolutely stand behind our products. All of our items will be checked and tested before shipment to ensure 100% performance.
We also offer 30 day money back guarantee if you are unsatisfied for any reason whatsoever. We will refund the entire cost of the item not including the shipping and insurance charges. Our aim is 100% customer satisfaction!
If you are unclear about product usage, please feel free to contact us.
We will offer your detailed instructions for use.
About us
Founded in 2011,
KEYESTUDIO
is a creative robotics and open source hardware manufacturer and exporter, specialized in micro-controller, starter kit, robot, shield, sensor, display, modules, etc. for Arduino, Raspberry PI, Micro:Bit.
KEYESTUDIO
offers a variety comprehensive learning kits and tutorials to help the hobbyists from entry to the proficient. In this open-source world, we would like to provide you with various interesting products.
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Your feedback is very important for us, if you are satisfied with our products, please give us good feedback. Of course, we will give you praise too.
If you are not satisfied with our products or haven't receive your item in estimated delivery time,
Please don't hesitate to contact us via ebay message. Please don't open a case or leaving a negative feedback before
contacting us, we will always do our best to help solve your problem and offer you a satisfactory response. Thank you very much for your support and understanding.
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