We are trying to control 2 DC motors and 1 stepper using an arduino mega 2560 rev3 and an adafruit motorshield (293D controller).
- Stepper 1000 mA
- 2 DC around 300-600 mA (or more if we can)
We just wanted to know what power supply we need to furnish enough current without burning everything.
Can we power the arduino + the shield + motors using only external arduino power supply or do we need a supply for the arduino and one for the shield + motors.
Imagine we use 1A for the stepper and 1.2A for both dc motors, can we use a 2250mA 9v supply plugged to arduino external power source to power all of this ?