Interactive resistor color code calculator for 3-band and 4-band resistors. Select colors to decode resistance value, tolerance range, and find matching resistors in our catalog.
General LED Information
Here you can find tutorials on how to do things with LED lighting. Please check the other categories for a specific application of leds. This is more of a generic use guide and will show you how to wired leds in a general way that can be applied to nearly all applications out there.