The ULN2003 Stepper Motor Driver Module is small size & ease to use electronic module, it used ULN2003 Chip to amplify the signal from the micro controller, Input voltage max 15v Logic Control Voltage: 3 to 5.5v Motor Supply Voltage: 5 to 15v Can Sink 500mA from 50v supply,(beter used voltage driver under 15 volts) Operating Temperature:
