[sdiy] 3x Input OR Gate from NANDs?

Neil Johnson neil.johnson97 at ntlworld.com
Fri Oct 5 19:40:35 CEST 2012

> Like the title says - 3x Inputs, any 1 of them goes High - the Output goes High. All 3x Low - the Output is Low.
> Is there a simpler way?

Three diodes and a resistor.

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