22 Feb
2000
22 Feb
'00
2:03 p.m.
<Sounds like a job for an IC, like 8 bit parallel to serial using one dip
<switch input for serial data perhaps clocked by sequential reads. Maybe a
<bit binary to octal? 8 bit multiplexer?
He wants to do a diode encode for three switches 8 possible states.
The reverse would be to decode two bits to sense the state of three
switches to be read on a single bit port.
<Sheesh, I shudder to think how many pens are busy on the backs of envelope
<right now.
Only to show what's in my memory. :) That is a textbook circuit.
Allison