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  • [EN] Home Assistant: Docker startup + SSL Internet access
    Besides installing it on its own hardware, the second recommended installation option for Home Assistant is to use Docker, see also: HAOS vs. Home Ass...
  • [EN] ESP32 Flowmeter and RS485 Modbus
    As described on the article ESP32 programming, Arduino - install requirements, my first goal was to read out a TUF-2000M Ultrasonic Flow Meter via an...
  • [EN] DS18B20 Temperature Sensors ESP32, MQTT and WiFi - HowTo
    In addition to connecting a flow meter via RS485 I plugged 5-piece DS18B20 temperature sensors to the ESP32 so that their values are also transmitted...
  • [EN] Control heating: PV surplus with ESP32 & Home Assistant
    After around 20 years, I was able to use Home Assistant and an ESP32 to take control of my heat pump and control it. Combined with the performance dat...
  • [EN] DuckDNS: Home Assistant - free of charge remote access
    There are various options for configuring Home Assistant in your own network for Internet access. Alternatives to the Home Assistant Cloud: 7.5$ / mon...
  • [EN] Webhook: curl and cron
    a simple cron job (Scheduled Tasks) on an Openwrt access point, everything that the Linux terminal makes available can be transmitted to Home-Assistan...
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