Comments on: Connect 6 LEDs using 3 microcontroller pins http://www.scienceprog.com/connect-6-leds-using-3-microcontroller-pins/ ScienceProg serves scientific, embedded, biomedical engineering, physics based contents. If you want your article or scientific project to be on this site, do not hesitate to contact. Tue, 07 Feb 2012 20:33:17 +0200 hourly 1 http://wordpress.org/?v=3.3.1 By: ElectronicsBuilder http://www.scienceprog.com/connect-6-leds-using-3-microcontroller-pins/#comment-1697 ElectronicsBuilder Tue, 07 Feb 2012 17:09:03 +0000 http://www.scienceprog.com/connect-6-leds-using-3-microcontroller-pins/#comment-1697 There could also be a further improvement of this scheme by using dual-color (red/green) LEDs instead of each of the reverse-direction pair of "normal" LEDs. In this case you could alternate pulses to the LEDs and, thanks to our persistence of vision, you can add a third color - yellow - as yet another indicator. So, in a sense, you would create 9 possible states of indication: 3 LEDs, each capable of showing 3 different colors. There could also be a further improvement of this scheme by using dual-color (red/green) LEDs instead of each of the reverse-direction pair of “normal” LEDs. In this case you could alternate pulses to the LEDs and, thanks to our persistence of vision, you can add a third color – yellow – as yet another indicator.

So, in a sense, you would create 9 possible states of indication: 3 LEDs, each capable of showing 3 different colors.

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