# How to wire circuit DC Motor with LED

I'm trying to learn a bit more about forward voltage and OHM's Law but I'm not sure how to wire this circuit.

I have: 1 x 4.5 DC motor (Operating Volts: 1.5- 4.5V, Nominal Volts: 4.5V, Current (no load): 0.25A) - http://www.jaycar.com.au/Electromechanical-Components/Mechatronics/Motors-%26-Gearboxes/Hobby-Motor---Medium-Torque/p/YM2707

3 x 5mm LED (IF Typical (mA)20, IF Max Continuous (mA)50, VF Typical (V)2.1) - http://www.jaycar.com.au/Active-Components/Optoelectronics/Standard-LEDs/LED-5mm-Red-Waterclear-10000mcd/p/ZD0156

1 x 3 - 12VDC Switchmode Plugpack (Output voltage: 3, 4.5, 5, 6, 7.5, 9, Output current: 1000mA (max))

Do I use the power at 4.5V and run the motor and the LEDs in parallel?

Do I need resistors on the LEDs?

Any help will be greatly appreciated!

• IF Max Continuous (mA)50, LED current should be limited to this value. You may consider ignoring DC Motor until you are able to appreciate ohms law using LED, supply and resistors. – User323693 Jul 13 '15 at 3:40
• @Umar, but if I wire the motor and the LEDs in parallel, surely I don't need to cut the amperage down from 1A to 50mA? That was my question. – Daniel Gee Jul 13 '15 at 3:51
• Yes and yes. One resistor for each LED : none for the motor. – Brian Drummond Jul 13 '15 at 12:56