Based on a simple logic circuit consisting of OR and AND gates.
Utilise first 4 switches as binary input from 0-15.
# | Input | Output | Bidirectional |
---|---|---|---|
0 | red switch board | 7 segment display | none |
1 | none | none | none |
2 | none | none | none |
3 | none | none | none |
4 | none | n/a | none |
5 | none | n/a | none |
6 | none | n/a | none |
7 | none | n/a | none |