1set Cnc Shield Expansion Board For Arduino 3d Printer 4 X A4988 Stepper Motor Driver With

1set Cnc Shield Expansion Board For Arduino 3d Printer 4 X A4988 Stepper Motor Driver With
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Item Specifics

is_customizedYes
ApplicationComputer
TypeDrive IC
ConditionNew
Brand NameTENSTAR ROBOT
PackageDIP

Product Description

CNC shield expansion board for 3D printer + 4 x A4988 stepper motor driver with heat sink + micro usb UNO R3

By Tenstar Robot

1. Latest CNC shield version 3.0
2. GRBL 0.9 compatible. (Open source firmware that runs on an UNO that turns G-code commands into stepper signals)
3. PWM Spindle and direction pins
4. 4-Axis support (X, Y, Z , A - duplicate X,Y,Z or do a full 4th axis with custom firmware using pins D12 and D13)
5. 2 x End stops for each axis (6 in total)
6. Coolant enabled
7. Uses removable A4988 or DRV8825 compatible stepper drivers
8. Jumpers to set the micro-stepping for the stepper drivers. (Some drivers like the DRV8825 can do up to 1/32 micro-stepping)
9. Compact design
10. Stepper motors connected with 4-pin molex connectors or soldered in place.
11. Runs on 12-36 V DC. (At the moment only the DRV8825 drivers can handle up to 36 V so please consider the operation voltage when powering board.)
12. Please note that this is an unassembled kit and basic soldering skills are needed.
A4988 stepper motor driver:
1. A4988 stepper motor driver board is a breakout board for Allegro’s A4988 DMOS micro stepping driver with translator and overcurrent protection; please read the A4988 datasheet carefully before using product.
Low RDS (On) output
2. Automatic current decay mode detection / selection
3. Mix with slow current decay modes
4. Synchronous rectification for low power dissipation
5. Internal UVLO
6. Crossover-current protection
7. 3.3 and 5 V compatible logic supply
8. Thermal shutdown circuitry
9. Ground fault protection
10. Load short-circuit protection
11. Five selectable step modes: full, 1/2, 1/4, 1/8 and 1/16
UNO R3 board :
MCU: ATmega328
USB interface: CH340
Operating voltage: 5 V
Digital I/O pins: 14 (including 6 with PWM capability)
Analog input pins: 6
I-I/O pin output current: 40 mA max
3.3 V output current: 150 mA max
Flash memory: 32 kB (0.5 kB used by bootloader- included)
Static RAM (SRAM): 2 kB
EEPROM: 1 kB
Clock speed: 16 MHz

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