Hello all.

This middle complexity house control smart assistant based on the raspberry. It supports interface over web, telegram messenger, voice It alerting over telegram messenger, mail, voice. Because I got 2 raspberry one at the house and one at the flat - there are 2 configs.

dependencies: sudo python3 -m pip install flask pyserial numpy pygame picamera feedparser wiringpi ppretty sudo python3 -m pip install gunicorn PySocks urllib3 requests sudo python3 -m pip install pyaudio matplotlib pyTelegramBotAPI Adafruit_Python_DHT requests[socks] wakeonlan validators sudo python3 -m pip install gTTS gtts SpeechRecognition pyttsx pyttsx3 dateparser yandex_speech babel pyowm soundfile russian-numerals transliterate noisereduce numba-0.56.4 sudo python3 -m pip install nextion sudo python3 -m pip install vosk sounddevice soundfile sudo python3 -m pip install openai sudo python3 -m pip install torch==1.13.1 torchaudio==0.13.1 omegaconf sudo python3 -m pip install pyalsaaudio sudo python3 -m pip install cython

Currently I have hardware:

sensors :
    - DHT22 - for temperature and humidity (actually I can read temperature from CO2 sensor)
    - MH-Z19 - CO2 sensor
    - PMS7003 - particles sensor
    - light - standard raspberry light sensor
    - moisture - standard raspberry moisture sensor
    - waterlevel - standard respberry waterdrop sensor

devices:
    - raspberry camera/ USB camera
    - outlet 220V - general purpoise
    - IR transceiver for control conditioner
    - Fan on the heater to increase temperature in the room if needed (12V)
    - plant watering engine (5V)
    - WOL wake up pc over telegram

for voice control:
    - USB connected jabra speaker - it got good noise reduction for task

for display:
    - nextion display on uart for display current values
        nextion project in nextion_project folder

Pinout of sensor board (DHT22, MH-Z19, PMS7003)

RJ45 connector bottom view:
            UART TX UART            3.3V
            UART RX                 GND
Board->     UART CS0 (GPIO 18)      5V                      -> Cable
            UART CS1 (GPIO 23)      DHT22 data GPIO4

UART3 (PL011) TX3 - GPIO 4, RX3 - GPIO 5 (dtoverlay=uart3)
UART        CS0   CS1
            0     0 - CO2 sensor A0, B0
            0     1 - nextion display A1, B1
            1     0 - particles A2, B2

Photos of interface: