3D printer kit RepRap Prusa i3 HSG RAMPS 1.4 Mega 2560 A4988 LCD 2004 Display

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Description :
(1) 3D Printer Controller RAMPS 1.4
The RepRap Arduino-compatible 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 Arduino-compatible Mega with the powerful Arduino-compatible MEGA platform and has plenty room for expansion. The modular design includes plug in stepper drivers and extruder control electronics on an Arduino-compatible MEGA shield for easy service, part replacement, upgrade-ability and expansion. Additionally, a number of Arduino 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.
for more informations, you can check the item listing here:
[Sintron] 3D Printer Controller RAMPS 1.4 for Reprap Prusa Mendel Arduino AVR
Features
(1) USB type B receptacle.
(2) SD Card add on available.
(3) Fits 5 Pololu stepper driver board.
(4) LEDs indicate when heater outputs on.
(5) Expandable to control other accessories.
(6) Heated bed control with additional 11A fuse.
(7) Option to connect 2 motors to Z for Prusa Mendel.
(8) I2C and SPI pins left available for future expansion.
(9) It has provisions for the cartesian robot and extruder.
(10) All the Mosfets are hooked into PWM pins for versatility.
(11) 3 mosfets for heater / fan outputs and 3 thermistor circuits.
(12) Fused at 5A for additional safety and component protection.
(13) Pololu boards are on pin header sockets so they can be replaced easily or removed for use in future designs.
(14) Servo style connectors are used to connect to the endstops, motors, and leds. These connectors are gold plated, rated for 3A, very compact, and globally available.
Diagram
(2) Arduino-Compatible Mega 2560 R3
Fully compatible with original Arduino MEGA 2560 R3, with this product, you are able to use all the Arduino open source platform to create or learn interactive objects, it will be a lot of fun while you are creating and learning it, so just get this and start it, we also provide reference pdf files that can help you to improve skills very quickly. after all, time matters, the sooner you can improve your programing skills, the sooner you can create amazing projects!
Compared with UNO R3, this is with main Chip ATmega2560, with more I/O Pins, and additional 10 PWM output, of course, the EEPROM is also with larger space.
for more informations, you can check the item listing here:
[Sintron] MEGA 2560 R3 ATmega2560 + Reference PDF files for Arduino's IDE
(3) A4988 StepStick Compatible Stepper Motor Driver Module
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.
for more informations, you can check the item listing here:
5 Pcs A4988 StepStick Compatible Stepper Motor Driver for 3D Printer RAMPS 1.4
(4)  3D Printer RAMPS1.4 RepRap
DRV8825
StepStick Stepper Motor Driver Module
The DRV8825 stepper motor driver carrier is a breakout board for TI's DRV8825 microstepping bipolar stepper motor driver. The module has a pinout and interface that are nearly identical to those of our A4988 stepper motor driver board, so it can be used as a higher-performance drop-in replacement for those boards in many applications.
The DRV8825 features adjustable current limiting, overcurrent and overtemperature protection, and six microstep resolutions (down to 1/32-step). It operates from 8.2 – 45 V and can deliver up to approximately 1.5 A per phase without a heat sink or forced air flow (rated for up to 2.2 A per coil with sufficient additional cooling).
1）Simple step and direction control interface
2）Six different step resolutions: full-step, half-step, 1/4-step, 1/8-step, 1/16-step, and 1/32-step
3）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
4）45 V maximum supply voltage
5）Built-in regulator (no external logic voltage supply needed)
6）Can interface directly with 3.3 V and 5 V systems
7）Over-temperature thermal shutdown, over-current shutdown, and under-voltage lockout
8）Short-to-ground and shorted-load protection
9）4-layer, 2 oz copper PCB for improved heat dissipation
10）Exposed solderable ground pad below the driver IC on the bottom of the PCB
11）Module size, pinout, and interface match those of our A4988 stepper motor driver carriers in most respects (see the bottom of this page for more information)
This product is a carrier board or breakout board for TI’s DRV8825 stepper motor driver; we therefore recommend careful reading of the DRV8825 datasheet (1MB pdf) before using this product. This stepper motor driver lets you control one bipolar stepper motor at up to 2.2 A output current per coil (see the Power Dissipation Considerations section below for more information). Here are some of the driver’s key features:
Simple step and direction control interface
Six different step resolutions: full-step, half-step, 1/4-step, 1/8-step, 1/16-step, and 1/32-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)
45 V maximum supply voltage
Built-in regulator (no external logic voltage supply needed)
Can interface directly with 3.3 V and 5 V systems
Over-temperature thermal shutdown, over-current shutdown, and under-voltage lockout
Short-to-ground and shorted-load protection
4-layer, 2 oz copper PCB for improved heat dissipation
Exposed solderable ground pad below the driver IC on the bottom of the PCB
Module size, pinout, and interface match those of our A4988 stepper motor driver carriers in most respects (see the bottom of this page for more information)
We also carry a DRV8824 stepper motor driver carrier that can serve as a direct substitute for the DRV8825 carrier when using lower-current stepper motors. The DRV8824 can only deliver up to 0.75 A per coil without a heat sink (1.2 A max with proper cooling), but it has larger current-sense resistors that allow for better microstepping performance than the DRV8825 carrier at low currents. The only way to tell our DRV8824 carrier apart from the DRV8825 carrier is by the markings on the driver IC; if you have a mix of the two, you might consider marking them (there is a blank square on the bottom silkscreen you can use for this). For lower-voltage applications, consider our pin-compatible DRV8834 carrier, which works with motor supply voltages as low as 2.5 V.
This product ships with all surface-mount components—including the DRV8825 driver IC—installed as shown in the product picture.
(5)2004 LCD Display 3D Printer Controller + Adapter RAMPS 1.4
After connecting this panel to your Ramps you don't need your pc any more, the smart controller supplies power for your SD card. Furthermore all actions like calibration, axes movements can be done by just using the rotary encoder on the smart controller
Print your 3D designs without PC, just with a g-code design stored on the SD card.
Firmware: You need Marlin firmware v3 or newer. If you are using older firmware, you must re-flash your board.
Size: 15cm x 5.8cm.
Compatible With RAMPS 1.4 Reprap Mendel
(6)LCD Mini DC Power Supply Step Down
9-24V 8V to 20V 2A(Brand New Factory Supply Products)
- LCD screen with white characters and a blue background displays two groups of voltage and current simultaneously.
- Uses a standard DC-Socket (5.5/2.1) input
- Coarse and fine tuning  positioner for precise voltage regulation.
- Input voltage 9-24V (max. 30V), reverse polarity protection
- Two groups of current can work simultaneously without conflict.
- Adjustable voltage available on DuPont connectors and terminal blocks which can be tightened with screws.
- Output voltage adjustable from 0.8V to 20V, max. 2A load with short circuit protection.
- Fixed 5V Output available on USB- and DuPont-Connectors. Max. 2A load with short circuit protection.
- Over 90% efficiency rate (related to the input and output voltage, current and dropout)
- Size: 80mm*80mm*25mm.
-Weight: about 85 grams.
Operation: Powers on automatically when power is attached. Use the “Power”-Button to switch off and on again.
Automatic zero-calibration may be less accurate with the age of the product, due to component aging and environmental temperature changes.
Calibration Mode: Disconnect power and all loads. Press the “Power”-Button and keep it pressed while connecting Power. The automatic zero-calibration will be performed. On success, the LCD will display 0.
Package Inclued:
- 1PCS X DC Powe Supply with box
- Free Alligator clip / 5.5mm
- Free DC connector
- Free 60cm red / black  power cables
Package included：
1PCS（depends on your choice!）
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If the item is defect when you receive it or you are not satisfied with it, please return it within 14 days for a replacement or money back. But the items must be back in factory condition. Please keep in touch with us and double check the return address before you return it.
If is item is defective in 12 months, you can return it to us. We will send you a new replacement after receiving the defective item.
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