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Help CenterElectronics Manufacturing Company Mega 2560 R3 + RAMPS 1.4 Controller+5Pcs A4988 Stepper Driver Module+1Pcs MK3 Aluminum Heatbed
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Model |
For 3D Printer Accessories |
Quality |
High quality |
Color |
see the picture |
Parts |
3d printer kit |
Feature |
electronics manufacturing company Mega 2560 R3 + RAMPS 1.4 Controller+5Pcs A4988 Stepper Driver Module+1Pcs MK3 Aluminum Heatbed |
MOQ |
10 pieces |
QC |
Test one by one |
Warranty |
1 Year |
Package |
PE bag |
Payment |
Western Union, T/T, Paypal |
Shipment |
DHL,FEDEX,UPS, EMS etc |
Delivery Time |
2-5 days after confirm the payment |
electronics manufacturing company Mega 2560 R3 + RAMPS 1.4 Controller+5Pcs A4988 Stepper Driver Module+1Pcs MK3 Aluminum Heatbed
Description:
MK3:
MK3 choose two working voltage of 12V and 24V, more practical; MK3 aluminum plate is used in the process, because the aluminum plate material is expensive and production costs tend to be ordinary glass plate expensive, so, MK3 are expensive.
12V connection: a cable connected to one another while connected to a wire 2,3.
24V connection: a cable connection 2, in addition to a cable connection 3 (1 left unconnected).
The new version of the circuit, whether connected 12V, or 24V, Power are stable
Parameters:
1, the voltage 12V/24V.
2, process: aluminum plate
3, Size: 214X214mm
4, thickness: 3mm
5, Color: Black
Ramps:
RepRap Mega Pololu Shield, or RAMPS for short. It is designed to fit the entire electronics needed for a RepRap in one small package for low cost. RAMPS interfaces an Ard Mega with the powerful Ard MEGA platform and has plenty room for expansion. The modular design includes plug in stepper drivers and extruder control electronics on an Ard MEGA shield for easy service, part replacement, upgrade-ability and expansion. Additionally, a number of Ard expansion boards can be added to the system as long as the main RAMPS board is kept to the top of the stack.
Version 1.4 uses surface mount capacitors and resistors to further cover edge issue cases.
A4988:
A4988 is a complete microstepping motor driver with built-in translator for easy operation. This product is available in full, half, 1/4, 1/8 and 1/16 step modes operate bipolar stepper motors, output drive capacity of up to 35 V and ± 2 A. A4988 includes a fixed off-time current regulator, the regulator in slow or mixed decay modes. A4988 converter is the key to the easy implementation. As long as the "step" input inputting one pulse drives the motor one microstep. There are no phase sequence tables, high frequency control lines, or complex interfaces to program. A4988 interface is very suitable for complex microprocessor is unavailable or is overburdened.
In the micro-step operation, A4988 chopping control inside automatically selects the current decay mode (Slow or Mixed). In mixed decay mode, the device is initially set to a fixed downtime in some fast decay, then the rest of the slow decay downtime. Mixed decay current control scheme results in reduced audible motor noise, increased step accuracy, and reduced power consumption. Internal synchronous rectification control circuitry is provided to improve the pulse-width modulation (PWM) operation power consumption. Internal circuit protection includes: thermal shutdown with hysteresis, undervoltage lockout (UVLO), and crossover-current protection. Special power sequencing.
A4988 surface mount QFN package (ES), a size of 5 mm × 5 mm, nominal overall package height of 0.90 mm, with an exposed pad for enhanced thermal dissipation. This package is Pb (suffix-T), with 100% matte tin leadframe plating.
Features and Benefits
· Low RDS (On) Output
· Automatic current decay mode detection / selection
· Mix with slow current decay modes
· Synchronous rectification for low power dissipation
· Internal UVLO
· Cross-current protection
· 3.3 and 5 V compatible logic supply
· Thermal shutdown circuitry
· Ground fault protection
· Load short-circuit protection
· Optional step five modes: full, 1/2, 1/4, 1/8 and 1/16
Mega 2560:
Operationg Voltage 5V
Input Voltage (recommended) 7-12V
Input Voltage(limits) 6-20V
Digital I/O Pins 54(of which 14 provide PWM output)
Analong INput Pins 16
DC Current per I/O Pin 40mA
DC Currentfor 3.3 V Pin 50mA
Flash Memory 256 KB of which 4 KB used by bootloader
SRAM 8 KB
EEPROM 4KB
Payment:
1. We accept payment based on Western Union, Money Gram and Paypal.
2. The price term is FOBShenzhen, Ex-work Shenzhen, or CIF ( destination port ).
3. The price here is for your reference, specific price is based on your order quantity. Cheaper price will offer for larger quantity.
1. By express suggested by DHL, UPS, EMS, or TNT.
2. By air, by sea and by express are all available.
| Q1. How can we know the product quality? |
| A1: We suggest you to order a sample. Also, you can send us email for detail photos for checking if you cannot get enough information in the product page. |
| Q2. Is it the final price in the price list? |
| A2: You can find reference prices in the price list. According to your quantity and models, we will offer you a best price. |
| Q3. When can we get reply after sending you the RFQ? |
| A3: Our working time is 9:30am. - 6:30pm. , Monday to Saturday. Your RFQ will be replied immediately during working time, in 24hours during non-working time. |
| Q4. Can I get free samples? |
| A4: Yes, some samples are free for customer, but you need to pay for the express fee. For details please send message to our sales service. |
| Q5. Can we get support if we have our own market position? |
| A5: Please inform us your detailed mind on your market demand, we will discuss and propose helpful suggestion for you, to find the best solution for you. |
| Q6. Is there cheap shipping cost to import to our country? |
| A6: For small order, express will be faster but the shipping cost will be expensive, post air mail will be cheaper but will take 1-2 month of shipping time. And for bulk order, sea shipping way is best but take much time. For urgent orders, we suggest via air to airport plus our ship partner send to your door. |
| Q7. Can you offer OEM/printing logo on samples? |
| A7: Yes, but prices is different according to different logo styles such as letters, photo, size, colors and so on. For more detail please send message to our sales service. |
| Q8. Can we visit your factory? |
| A8: Yes. Due to too many visiting requirements, you need to make an appointment with our sales service. Customers who have placed an ordered will have priority. |
| Q9. Can you provide us product’s pictures? |
| A9: Yes, for online resellers we will provide you the product’s pictures. However, you need to send us your webpage or place an order from us. |
| Q10. What is the Warranty for your products? |
| A10: One year warranty for all electronic products. If any quality problems on our side occured in this period, we will take on the shipping cost and replacement. |
| Q11. How to order? |
| A11: |
| 1. Tell us which models,Quantitiy,color you want to order |
| 2. We will make PI(performa invoice) for your order to confirm |
| 3. Checking the PI, we will delivery the goods ASAP when we receive your payment. And the shipping cost is depending on the weight. |
Shenzhen Big Tree Technology Co., Ltd is a manufacturer of 3D printer, 3D Printer parts(For example Mega2560,ramps 1.4,a4988,Hotend,endstop),Sensor module, CNC main board,ect. with well-equipped testing facilities and strong technical force.
With a wide range, good quality, reasonable prices and stylish designs, our products are extensively used in 3D Printer and other industries.
Basic Information:
Product/Service(We Sell) : 3D Printer Accessories
Number of Employees : 20-80 people
Factory Information:
Number of R&D Staff : 5-10 people
Number of QC Staff : 11-20 people
Our Service:
1. For all your inquires about us or our products, we will reply you in detail within 24 hours.
2. We own well-traned and passional sales after sale services who can speak fluent Engligh language.
3. We offer OEM services. Can print your own logo on product , can customize the retail box packing and other things.
Thanks for reading. If you need more information or better quotation, please feel free to contact us.
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