Buy a high quality 9V/1A step down regulator here.
Switching regulators trade current for voltage, so it will draw less than 1A from the 12V power supply.
What stepper and driver? Most draw more than 1 A.
Buy a high quality 9V/1A step down regulator here.
Switching regulators trade current for voltage, so it will draw less than 1A from the 12V power supply.
What stepper and driver? Most draw more than 1 A.