Integrating 433Mhz smoke detectors with Home Assistant

Integrating 433Mhz smoke detectors with Home Assistant
Smoke detectors are simple and effective means for saving lives and reducing damage to property in case of a fire. You should use smoke detectors in your house even if your local regulations don’t require you to do so. All smoke detectors make a loud beeping alarm sound if smoke is detected, but some models ...

Making a proper adapter board for the “smart” WiFi Rinnai

Making a proper adapter board for the
This is a quick follow-up post to my previous article about converting a Rinnai heater device to a smart device and controlling it with WiFi. Previously, when making the board that connects between the ESP32 and the traces of the Rinnai control panel, I did something that is not per-spec. I was using the ESP32 ...

Changing a “dumb” Rinnai water heater to a smart one 10

Changing a
This article covers a home automation project, in which I extended a control panel of a Rinnai gas water heater with an ESP32. The ESP32 then functions as an interface between the control panel and Home Assistant, a home automation software. tl;dr, the ESP32 sits as a MitM (proxy) on a few data lines inside ...