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Multi-colour LED

Multi-colour LED
It had to come: an LED that can produce all visible colours. It Is the Everlight Type 339-1 VRKGBBW. In fact, it consists of four LEDS in one case: one red, one green, and two blue. When these LEDs are driven into varying brightnesses, all visible colours and white can be produced. The circuit described makes the LEDS light in all colours in any given order.
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