Power source for Arduino and steppers

i looking find out best way power arduino uno 3 nema 11 stepper motors using drv8825 drivers.

is there way give power drivers , arduino board same power source or have separate?

the project working on requires stepper motors moving, not fixed spot, hoping need 1 power source 1 power cable has move.

also voltage/amperage of power source recommended? - motors rated @ 0.67a each.

thanks!

stepper motors work better higher voltages - subject limitations of stepper driver.

i suggest choose suitable power supply motors , arrange drop voltage suitable arduino. simplest thing may use 7805 voltage regulator , feed arduino through 5v pin.

to figure out power supply amperage stepper motors should calculate power (watts) required motors , make sure power supply can comfortably meet - perhaps factor of two. (note volts * amps = watts)

...r

Arduino Forum > Using Arduino > Motors, Mechanics, and Power (Moderator: fabioc84) > Power source for Arduino and steppers

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