Hot water: a contactor and a few OpenHAB rules
One immersion. A Shelly on the contactor coil, not on the element. Cheap-hour boost, a Sunday bath night, and the rules to copy.
One immersion. A Shelly on the contactor coil, not on the element. Cheap-hour boost, a Sunday bath night, and the rules to copy.
Comparing RF and Zigbee technologies for home automation in 2024, with insights on simplifying system maintenance using Zigbee.
OpenHAB is the platform I use for home automation.