Paso 1: determinar el código de color de resistores
0-black -------------------------------------------- 1
1-brown ------------------------------------------ 10=10^1
2-red ----------------------------------------------100=10^2
3-naranja---1000 = 10 ^ 3
4-amarillo---10, 000 = 10 ^ 4
5-verde---100, 000 = 10 ^ 5
6-azul---1.000, 000 = 10 ^ 6
7-violeta---10.000, 000 = 10 ^ 7
8-grey gold=0.1
9-blanco plata = 0.01