Protocols in use
Five radios carry the recipes on this site. Each one is chosen for what it does well, and each one has a known failure mode that the recipe is written around.
Matter
used in 7 Recipes
Application layer over Thread or Wi-Fi; the only protocol here that reports a real cover position and a settable current.
- Storm reserve: pre-charge the battery and shed discretionary loads
300000 ms · mains - Door left open: timed escalation instead of an instant alarm
90000 ms · matter (contacts on battery, speakers on mains) - Daylight harvesting: electric light follows the window
8000 ms · mains - Divert solar surplus to the hot water cylinder instead of exporting at 4 ¢
60000 ms · mains - Night cooling purge that pulls in cool air only when it helps
180000 ms · mains - Lux-adaptive blinds that hold 300 lx on the desk, not a fixed percentage
90000 ms · mains - Arrival warm-light handoff on the hall mmWave
850 ms · mains
Thread
used in 4 Recipes
Fast reporting and long battery life, but a border router per floor or handoffs stall for seconds.
- Dark-room occupancy boost for a windowless utility room
400 ms · mains - Pipe-freeze guard: trickle the far tap and warn before the line drops to 2 °C
120000 ms · mains - Whole-flat CO₂ purge with a 9-minute cross-ventilation window
540000 ms · mains - Room-following light that tracks you along the corridor
600 ms · mixed (2 × battery, 1 × mains)
Zigbee
used in 7 Recipes
Cheapest sensors, mains-powered routers in every room. Weak at holding very low dim levels on cheap drivers.
- Bedtime taper: the house dims itself as rooms empty
600000 ms · mains - Overcast compensation for a north-facing kitchen
5000 ms · mains - Irrigation that skips a zone when the soil is already wet
1800000 ms · mixed (probes on battery, controller on mains) - Dishwasher deferral to the cheapest two-hour tariff window
50400000 ms · mains - Departure standby sweep with a 12-device check list
45000 ms · mains - Nightly phantom-load audit that finds the 38 W you forgot about
60000 ms · mains - Bathroom fan that runs until the humidity gradient flattens
2000 ms · mains
Z-Wave
used in 4 Recipes
Used here where range and confirmation matter: garden runs, valves, radiator heads, alarm hardware.
- Radiator-by-radiator balancing from room temperature curves
1200000 ms · battery - Smoke and CO alarm: egress lighting, unlock, and silencing the HVAC
4000 ms · mains - Twilight path lighting keyed to sun elevation, not a clock
30000 ms · mains - Leak-triggered main shutoff with a 4 litre flow threshold
9000 ms · mains
Wi-Fi
used in 5 Recipes
Reserved for devices that need bandwidth or a vendor API: cameras, chargers, weather feeds, inverters.
- Rainwater tank top-up and pump protection on a level probe
3600000 ms · mains - Pollen lockout that closes windows before the count spikes
2400000 ms · mains - Package watch: porch event to a 40-second clip, no continuous recording
3000 ms · poe - EV charging that yields to the oven without stranding the car
15000 ms · mains - Guest mode: local recording only, cameras pause in private rooms
2200 ms · mains