Draw the V - I characteristies of an LED. state two advantages of LED lamps over conventional incandescent lamps.
resistors - accounting for LED resistance - Electrical Engineering Stack Exchange
StarlandLed 10x1m LED Aluminum Channel V Shape with Milky PC Cover for Strip Lights Installation Professional Look LED Strip Diffuser Cover Track with Complete Mounting Accessories for Indoor Use - - Amazon.com
LED or Light Emitting Diode - Pin Diagram, Construction, Working Principle » ElectroDuino