V3.0 CNC Shield Extension Board, 4PCS A4988 Stepper Motor Driver with 4PCS Heat Sinks for Engraver 3D Printer (DC 12V to 36V)

Description

Specifications: CNC Expansion Board: Version: V3.0 Color: Red Size: 68 x 53 x 18mm / 2.67 x 2.08 x 0.7" Voltage: DC 12V to 36V (only DRV8825 driver can handle up to 36V, so please consider voltage for power supply) 4pcs A4988 Driver: Color: Red Size: 20 x 15mm / 0.78 x 0.59" Thermal Shutdown Circuit: Yes Cross Current Protection: Yes Ground Fault Protection: Yes Short Circuit Protection: Yes Compatible Logic Voltage: 3.3V and 5V Five Step Modes: Full, 1/2, 1/4, 1/8 and 1/16 Mix with slow current attenuation model. Internal UVLO and low RDS (on) output. Automatic current attenuation mode Detection/Select. Phase-in rectifier, low power consumption. Warning: Connecting or disconnecting stepping motor while driver is powered on might damage driver. 4pcs Heat Sinks: Size: 8 x 8mm / 0.31 x 0.31" Color: White Package Includes: 1 x V3 Extension Board 4 x Drivers 4 x Heat Sinks

Features

• 【Compatible】Use detachable A4988 or DRV8825 compatible with stepping driver, GRBL 0.8 compatible, open source firmware, convert G-code commands into stepping signals.
• 【PWM】PWM spindle and direction pins, 4-axis support (X, Y, Z, A- You can copy X, Y, Z or perform full axis 4 using pins D12 and D13 custom firmware)
• 【Use Mounting】Stepper motors can be connected to 4-pin connectors or soldered, which is a set of disassembled parts that require basic welding skills to solder them together.
• 【Protection function】Thermal shutdown circuit, crossover current protection, ground fault protection, short circuit protection; Five-step modes: full, 1/2, 1/4, 1/8, and 1/16 mixed slow current attenuation modes.
• 【Satisfactory Service】We provide free return and exchange service, we care about the feelings of all customers, if you have any details or questions about this item, you can contact us at any time, we will give you a satisfactory answer.