Features:
Suitable for driving 8V~35V 2A below the stepping motor.
5 different step modes: full-step, 1/2-step, 1/4-step, 1/8-step, and 1/16-step.
Simple step and direction control interface.
Automatic current attenuation mode detection/selection.
SMT chip mounter manufacturing, not manual welding, higher yield, more stable performance.
Pre-soldered two rows of pin headers.
Overheat shutoff circuit, under-voltage lockout, crossover-current protection, ground short circuit protection and load short circuit protection.
An necessary module for 3D printer, CNC, engraving machine.

Specifications:
Color: Green / Red (Optional)
Material: PCB
Drive Current: 2A (It is better to install a radiator fin)
Item Size: 20 * 15mm / 0.79 * 0.59in
Item Weight: 3g / 0.11oz
Package Weight: 15g / 0.55oz
Package Size: 7 * 3 * 2cm / 2.76 * 1.18 * 0.79in

Packing List:
5 * Module
5 * Heat Sink