Hi henrybcn. Open the calculator in the application. As a HEX and replace with DEC HEX 9759758 ,9759758 Create virtual dummy as much as you need door1 .idx 1.. (drzwi_balkon) door2..idx 2... type door contact (drzwi_balkon) Run Blocky. Bez tytułu.png my log {"Time":"2020-06-12T13:53:43","RfReceived" ...