Driver chip: A4988
Motor supply voltage (VM): 8V~35V DC
Logic control voltage: 2.5V~5.5V DC (compatible with 3.3V/5V microcontroller and GRBL motherboard)
Output current: Peak 2A, continuous 1A (up to 1.5A with added heat sink)
Segmented gears: Full step, 1/2, 1/4, 1/8, 1/16 subdivision, configured through MS1/MS2/MS3 pins
Step mode: Two phase bipolar stepper motor drive
Protection functions: overcurrent protection, overheat shutdown, short circuit protection, low voltage locking
Standby function (STBY): Low power sleep mode, reduces heat generation when idle