Three years of a hot tub lying to Home Assistant — and the 200 lines that finally shut it up
Three years ago I retrofitted a Balboa BWA Wi-Fi Module (part 50350) to my hot tub — a £270 aftermarket board that turns any BP-controlled Balboa sp…
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Tapo H100: Cellar Humidity Monitoring in Home Assistant
Cellars sweat. On a warm humid day the air you let in is warmer than the cold concrete, and the moment it touches a cold surface it gives up its wat…
Shelly in Home Assistant: Local Switching & Energy Metering
I didn't put Shelly Plus 1PM and 2PM behind my wall switches for the app or the cloud. I put them there because each one quietly does two jobs at on…
KNX Motion-Sensor Automations in Home Assistant
A note before the post: the mistake in the first section is genuinely mine. It cost me an evening of forking conditions in Home Assistant before I a…
A Robust Modbus Proxy: Reconnect, Stale-Cache Detection and Timeouts Done Right
A self-built Modbus cache proxy runs for weeks without complaint in summer — until the first night the inverter shuts down, or the first firmware re…
A Practical Home Energy OS with Home Assistant
How five vendors, two batteries, an EV, and a careful policy engine became one operating system for my house. There is a moment when a solar install…