![]() Some resistors have five stripes of color, with four representing the resistance value and the last one the tolerance. ![]() The first three stripes indicate the resistance value, and the fourth stripe indicates the tolerance. Most resistors used in electronics have four stripes of color. Here are some typical values, but use your own values to be sure you don't burn out your LEDs!: If they list a range ('20-30mA') pick a value in the middle (25 in this case). This is listed in milliamps or 'mA'.īoth of these last two can be found on the packaging for your LEDs or on your supplier's web site.
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