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RAM Electronics's Description
* DC12-30V single power input.
* Driver card is protected against reversed polarity of power.
* Maximum 2 Amps/phase motor output.
* Step, direction, Enable input TTL compatible control signals.
* Full and half step Resolution.
* 4 adjustable work current levels 25%, 50%, 75%, 100% of the maximum
nominal current 2A.
* Inputs are brought out via pin header connector for flexibility.
* LED indicator for input power “Green LED” for motor power and "Red LED"
* 1 u sec minimum width for CLK input pulse (500 KHz max).
* Dimension: 96 x 45 x 38 mm. You can also easily connect this Driver to
your Arduino Board
for programing code please Click Here