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oliverb said:I've had an idea using Bi Colour LEDs. See pic normally the Gn Led would light showing 0. When S6&7 close the Red led would light and Gn would go OFF due to the higher forward voltage of the Gn LED showing 1.
I pesume you could reverse this by swapping LED connections and adding series diodes on the Red Led.
Brett.
oliverb said:I've had an idea using Bi Colour LEDs. See pic normally the Gn Led would light showing 0. When S6&7 close the Red led would light and Gn would go OFF due to the higher forward voltage of the Gn LED showing
oliverb said:I did a similar thing on my binary clock on page 3 of this post. The last LED on the hours display is never used.