Hi I've just ordered a pack of 20 10mm WHITE 18000mcd LED's heres the info i got with them: I've worked out that i'd need a 220 OHM resistor to run a single one of these off a 9v battery what im wondering is, if i want to connect all 20 of these to a single 9v battery, would i use a single 220 ohm resistor or one resistor to each LED? also, what would be the best way of connecting these together in order to get an even distribution of light? series or parallel? any help is appreciated. thanx
Hey bixie_62, Try this it will show the array you can produce LED Resistor calculator. Out of interest where did you get ur LED's? Bulb66
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