Home Assistant

The Home Assistant OS install running on zombiehyperdrive.asozial.it-syndikat.org (web interface available on https://homeassistant.asozial.it-syndikat.org/) allows controlling several space functions using cyber.

Power metering

A go-e Controller in the fusebox measures the incoming supply and the lighting circuits, 3 phases each. It is connected via MQTT (over Ethernet).
Several Shelly PM Mini Gen3 are hidden in the cable ducts to measure entire circuits. They are connected via WiFi.
Several Eightree ET21 running Tasmota are plugged in series with appliances (fridges, dishwasher, washing machine, etc). They are connected via WiFi.

Environmental sensors

A single IKEA sensor attached to the wall between Siebdruckwerkstatt and Lötwerkstatt measures the "core temperature/humidiy" (as exposed via SpaceAPI).
An ESP32-POE-ISO running ESPHome in Coucharea measuring temperature, humidity, pressure, CO2 and PM2.5+PM10
An ESP32-POE-ISO running ESPHome in TAK measuring temperature, humidity, and CO2

Blinkenlights

There are several ESP32-POE-ISO running WLED scattered all over the place, making WS2812 blink.

isitopen

There is a small box at the top of the staircase (containing an ESP32-POE-ISO running ESPHome) with two buttons. The first person to enter the space presses the green button, the last person to leave presses the red button.

An automation exists to do stuff (lights, phone do-not-disturb, etc) when the space opens/closes.

The matrix bot can also make the box beep.

SpaceAPI

Home Assistant serves our SpaceAPI endpoint under https://spaceapi.it-syndikat.org/api/. It reports the state of isitopen and a couple sensor values.

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