I have been searching around the forum and firmware but i haven't come across a firmware that has 4 bistable switch option. It is either 3 monostable and 1 bistable or 2 monostable and 2 bistable.
People who are willing to get into DIY automation they will surely start with what they already have. As they will implement supla in already installed switch boards.
4*BISTABLE SWITCH
Have you seen this soft
viewtopic.php?f=11&t=7133
viewtopic.php?f=11&t=7133
Każde urządzenie elektryczne działa o wiele lepiej jeśli podłączysz je do prądu.