Yes you can connect darlingtons in parallel but you better get bigger ones instead (unless you have a few unused ones of course).
And you HAVE to use an external supply, the arduino cannot push the current needed for your motor.
Yes you can connect darlingtons in parallel but you better get bigger ones instead (unless you have a few unused ones of course).
And you HAVE to use an external supply, the arduino cannot push the current needed for your motor.