5Pcs A4988 Stepper Motor Driver Module

Key features

• A4988 Stepper Motor Driver： for 3D Printer Reprap Mendel Huxley Arduino
• Volts：3.3-5v
• Step Mode：Full；1/2；1/4；1/8 and 1/16
• Commodities include：5Pcs A4988 Stepper Motor Driver；5Pcs Heat Sink；1Pcs Screwdrivers
• Note: Drive Current A4988 Chip Without a Heatsink, The Current in the 1.2A Below; with a Heatsink, the Current Can Reach 2A

FunctionLow RDS (open) outputsAutomatic Current Decay Mode Detection/Selection Mixed with Slow Current Decay Mode for Low Power Dissipation Synchronous Rectification Internal UVLO Cross Current ProtectionVMOT drive capability 8-35VDriving current: If no heatsink is added to the A4988 chip, the current is below 1.2A; if a heatsink is added, the current can reach 2A.3.3 and 5V compatible logic power supplyThermal shutdown circuitGround short circuit protection Load short circuit protectionFive selectable stepping modes: full step, 1/2, 1/4, 1/8 and 1/16.

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