function [ led ] = led_data()
% LED_DATA returns a list of voltage and current data for some real LEDs.
%    Use led{i}.V, led{i}.I, led{i}.name, led{i}.color to access the
%    voltage, current, string naming the LED, and color string.
%    Data from Hans Summers, www.hanssummers.com
red5mm.name = '5mm red';
red5mm.color = 'r';
red5mm.V=[1.612	1.619	1.629	1.636	1.643	1.65	1.657	1.665	1.672	1.68	1.685	1.69	1.693	1.696	1.7	1.73	1.76	1.77	1.8	1.84	1.88	1.92	1.94	1.98	2.01	2.05	2.09	2.16];
red5mm.I=[0.336	0.392	0.485	0.562	0.647	0.753	0.86	1.01	1.17	1.35	1.48	1.63	1.73	1.83	2	3.3	4.6	6.2	8.1	11	13.4	16.9	19.3	22.8	25.3	28.7	33.4	39.7];
green5mm.name = '5mm green';
green5mm.color = 'g';
green5mm.V=[1.79	1.82	1.84	1.89	1.91	1.93	1.95	2.01	2.06	2.15	2.24	2.29	2.37];
green5mm.I=[0.32	0.66	1.11	2.14	3.08	3.71	5.13	8.64	12.25	19.1	26.4	30.9	38.5];
white10mm.name = '10mm white';
white10mm.color = 'k';
white10mm.V=[2.49	2.51	2.55	2.57	2.58	2.59	2.6	2.6	2.61	2.62	2.63	2.64	2.65	2.66	2.67	2.68	2.7	2.72	2.73	2.76	2.79	2.84	2.85];
white10mm.I=[0.249	0.449	0.989	1.38	1.87	2.1	2.39	2.73	2.89	3.5	4.22	5.26	5.73	6.84	7.55	8.51	10.63	13.71	15.02	20.7	25.4	36	40];
led = {red5mm,green5mm,white10mm};
end