[Retired]ULN2003 Board SMD Version (Stepper Control)


Availability: Out of stock SKU: SDB1001 Category: Tags: , ,


ULN2003 is high operational volt and current driver, including 7 Darlington transistors as driving channels.

This is the SMD Version of the ULN2003 board, more reliable and higher quality.


  • ONLY 4 channels used for driving steppers, four status LEDs respectively, you can only see it flashing when you slow down the signal.(as always)
  • Separate power channel for power supply.
  • JST XH2.54 stepper 5-wire interface for standard stepper, one COM VCC, and four signal GND.

Documentation: for schematic please refer to another version here, this only have components changed.

Additional information

Weight 0.01 kg

1 review for [Retired]ULN2003 Board SMD Version (Stepper Control)

  1. 5 out of 5

    remymorra (verified owner)

    very good!!!

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