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Functions implemented in the home automation system

Here is the functions that can be adressed with the architecture described here, all these functions are integrated and can be linked together if necessary

Alarm system

  • Presence detection by PIR and door/window sensors
  • Automatic detection of house mode (presence/out) by wifi and geolocalisation
  • When a presence is detected start a siren and send an email
  • Smoke detector make the home automation siren start and send an email
  • Camera motion control (extra added later on)
  • Presence simulation

Energy monitoring

  • Instant consumption monitoring
  • Dayly consumption monitoring
  • Voltage measurement
  • History charts


  • Squeezebox integration
  • Play/stop change internet radio
  • Adjust volume

Home automation

  • Switch ON/OFF plugs remotely with an android application or a web site
  • Monitor temperature and humidity of rooms
  • Weather forecast (integrated from yahoo data)
  • Text to speech, when someone wake up give the weather forecast for example
  • History charts of temperature and humidities
  • IFTTT integration to build scenarios with extra services
  • Google calendar integration (switch on/off items following a calendar)
  • Wifi on/off control


  • Siren volume adjustement (for maintenance purposes)
  • Monitor if arduino is alive
  • Measure voltage of arduino power supply
  • Home automation box temperature monitoring
  • Measure CPU/memory/temperature of the raspberry pi and openhab


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The goal  is to act as a gateway between 433Mhz sensors and a MQTT broker or between the MQTT broker and 433Mhz actuators, It enables to: receive MQTT data from a topic and send RF 433Mhz signal corresponding to the received MQTT data  publish MQTT data to a different topic related to received 433Mhz signal  It can be an interesting part in an home automation system so as to interface sensors and actuators (wall sockets) with software like openhab . List of compatible sensors here The interest of putting this gateway to an ESP8266 and not on a raspberry pi is to be able to manage security actions at gateway level (power on a siren, cut power to certain devices) following RF data received by sensors without being dependent to the PI for security related actions. [EDIT] all infos are now centralized into  the github repository  take a look at it you will find up to date info about OpenMQTTGateway You need: Software: Mosquitto Arduino IDE latest version (tested ok with 1.6.10

Get your BLE sensors data into Home Assistant in 5 minutes

You can now upload your board directly from the web browser!  So let's imagine you want to read data from a sensor like a Mi Flora, an LYWSD03MMC, a weight scale, or any other BLE sensor from this list  Plug an ESP32 dev board to your computer USB port Go to this website: Select esp32dev-ble Click the install button Depending on your board you may have to press the BOOT button Choose the port that the ESP is connected to. Wait until the process is complete. Release the BOOT button That's it, OMG is now loaded into your ESP32 board without Arduino IDE, platformIO or a binary flasher. Here are the steps in images: Now comes the Home Assistant part: Add the MQTT integration and activate auto discovery Create a user and a password (Configuration->Users) without administrator right for the gateway Well, this is enough for Home Assistant. So let's now connect both: Check the Wifi Access points available with your smartph

SONOFF RF BRIDGE + Pilight or How to extend the supported protocols by our little bridge

With version V0.9 of OpenMQTTGateway  @steadramon  &  @puuu  (the ESP library creator) enabled by their work to integrate Pilight library on OMG. Permiting to increase significantly the list of RF protocols of OMG . But now that we have this interesting possibility and with the goal of OMG of beiing multi boards compatible, why not trying to put Pilight on a Sonoff RF Bridge . So as to do this test I ordered a new one so as to be on the same hardware as most of the users (my other RF Bridge is a demonstration old one) So as to decode RF signals the Sonoff RF Bridge has a special dedicated chip (EFM8BB1)  that communicate with the esp8285 with a serial connection. If we want to increase the number of RF protocols compatibles on the device without modifying the hardware, the only software based solution is to hack the  EFM8BB1. This hack is available and made by @ Portisch . The list of protocol is interesting but at the moment not as big as Pilight one. Maybe I will t