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Devices to interrupt or route a signal or power one of several ways.
5
votes
How can I wire a 9-position switch so that each position turns on one more LED than the one ...
Closing any of the
switches will cause the buffer directly connected to it to go to 0,
which turns low all the buffers below it. 4050 has 6 buffers. You will
need 2 of them for 9 LEDs. …