The ULN2003 is one of the most common motor driver ICs, consisting of an array of 7 Darlington transistor pairs, each pair is capable of driving loads of up to 500mA and 50V.The board has a connector that mates the motor wires perfectly which makes it very easy to connect the motor to the board.
ULN2003 Stepper Motor Driver Board uses the ULN2003 DARLINGTON ARRAYS to drive the 4-phase 5-wire stepper motor (5v-12v). It's easy to use Arduino or another development platform to drive the stepper motor by this diver board.
A Stepper Motor Driver is the driver circuit that enables the stepper motor to function the way it does. For example, stepper motors require sufficient and controlled energy for phases in a precise sequence. Due to this, stepper motors are considered more advanced than the typical DC motor.
ULN2003A motor driver chip.
Chip all the pins already leads for easy connection to use.
5-12V power supply.
4-way signal indicator.
Step angle: 5.625 x 1 / 64.
Reduction ratio: 1 / 64.
Current / Phase: 5V.
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