ULN2003 and GRBL?

Using Arduino Project Guidance
1

Hello,

ive been trying to build a simple xy arduino table, and i want to use GRBL (G code interpreter for arduino) with ULN2003 (transistor array) stepper motor controllers. But i cant find a definite answer, will this ULN2003 work with GRBL or can GRBL only send out Step and Direction data (easy driver)?

thankyou :slight_smile:

2

i cant find a definite answer

Definitive answer coming up.

will this ULN2003 work

You can only drive a unipolar stepping motor with this chip not a bipolar stepping motor.

can GRBL only send out Step and Direction data

That is what it sends out. There is no reason why you can't modify it to send out the bit pattern you need to drive a unipolar stepping motor.