Croduino Basic2 connecting 3 stepper motors with ULN2003 drivers

TECHNICAL SUPPORT NULA Development Boards
1

Customer:

Is it possible to connect 3 stepper motors with ULN2003 drivers on a Croduino Basic2 without using an additional shield?

Originally submitted via email support on 21 November 2016. Migrated to the forum for community visibility.

2

Soldered Support:

You need 4 GPIO pins to control one ULN2003, so 12 GPIO pins for 3x ULN2003. The Croduino Basic2 has enough pins for this (14 + 8).

Original message (Croatian)

trebaju Vam 4 GPIO pina da biste kontrolirali jedan ULN2003, dakle 12 GPIO za 3x ULN2003. Na Croduinu Basic2 ih imate dovoljno :slight_smile: (14 + 8)