This outputs a square wave at… some frequency on pins 0-3, where the pins are phase shifted by… some frequency.
Just apply power.
# | Input | Output | Bidirectional |
---|---|---|---|
0 | none | segment a | none |
1 | none | segment b | none |
2 | none | segment c | none |
3 | none | segment d | none |
4 | none | segment e | none |
5 | none | segment f | none |
6 | none | segment g | none |
7 | none | dot | none |