I have some Outdoor IR proximity detectors that are old, broken and need replacing. They are linked to security flood lamps which also need replacing.
They are 230V.
I’d like to replace them with new ones which send a signal which I can sense in openHAB and then I can use rules to decide whether to turn off or on the lamps.
If these were indoors, I could make my own switching unit and use 433MHz or something else but these are outdoors so I’d need an extra sealed control box (not yet ruled out).
You might want to consider Z-Wave but be aware the offerings are region-specific due to the frequencies used.
Where are you located? I can safely assume you are not in North America where I live.
Perhaps @sihui or @chris have some suggestions. Generally Z-Wave devices for a given region are compatible with any other Z-Wave devices. Chris may also have suggestions for Zigbee. He maintains both bindings for OpenHAB.
I suppose, as I do have a Hue bridge etc, I could use the Hue Outdoor PIRs (battery operated) and Philips Hue (non-coloured) floodlights but the lamps are quite expensive and are a pain to fix up but at least I could keep my existing mains wiring and have ultimate control of where I mount the PIRs.