I found something very interesting: software for LPT1 control.
https://www.instructables.com/Home-A...-your-Paralle/
The computer I am using (HP Compaq workstation, 32-bit W'7 Pro) has LPT1 port (I also have USB-LPT adapter).
And here - USB-Parallel..
https://sigma-shop.com/category/4/relay-boards.html