A4988 Stepper Motor Driver

Specifications

• Minimum operating voltage: 8V.
• Maximum operating voltage: 35V.
• Continuous current per phase: 1 Amp.
• Maximum current per phase: 2 Amp.
• Minimum logic voltage: 3V.
• Maximum logic voltage: 5.5V.
• Microstep resolutions: Full, 1/2, 1/4, 1/8, and 1/16.
• Reverse voltage protection?: No.