erlit/select-n

'Select' type nodes
NodeDescription
select-3
Outputs either 'X1' - 'X3' value based on which pulse 'S1' - 'S3' came last. By default outputs 'X1'.
To use the nodes in your project you should have the  erlit/select-n  library installed. Use the “File → Add Library” menu item in XOD IDE if you don’t have it yet. See Using libraries for more info.