the arduino, and devices hooked to it will draw what current it needs regardless of capabilities of the supply
drawing 10ma with a 1 amp supply, no problem, drawing 10 amps from a 1 amp supply, the supply will fry
the arduino, and devices hooked to it will draw what current it needs regardless of capabilities of the supply
drawing 10ma with a 1 amp supply, no problem, drawing 10 amps from a 1 amp supply, the supply will fry