41 . . , , 10 781 

 , 123 921 «» «».
 1500 .
1500 ., , , , , , c openHAB — Home Assistant.
, , . « » 2014 . 2018 — .
, , , openHAB ( , Java).
, , 467, , , 
. , , . 
Open-Source .
, — , . , - . , , , ( ), , , ? (~$100), , ? , . ? ? ? , — — , , . , ? ? .
 - , 54 . 1 din , 2018 .
- , 54 . 1 din , 2018 .. . , . , , «» , . 2017 ( 2017, 2020 )? , , , Xiaomi MiHome . Fibaro ( ). , ESP8266 Espressif Systems Wi-Fi. . — ESP8266. , «» — - , . — . , « » .
«
 , ». , , , .
Wi-Fi 2,4 «», — , . 5 .
 «» . 54 din
«» . 54 din— , . 30% « ». « » .
, . , . , 
@DarkTemplar, «
 , » , «» .
 41 . . 2018 : 0,96" OLED (12864) SSD1306 I2C.
41 . . 2018 : 0,96" OLED (12864) SSD1306 I2C., . , , , .
:

 — .

 — .

 — .

 , — .
— ,
, . .
, . , , . — , ( ) , . , , — , .
:
 2018 : , 51,5
2018 : , 51,5:
- () ( 15010070 ) ;
- ( , , ), — , ;
- ( 65 );
- ;
- () ;
1- 2- — , , , , , .
, , .
«» — , .
 №1. : , , , 1 din.
№1. : , , , 1 din.— . . 3 54 , . , .
 №2. ,
№2. ,— . , .
MegaD . . .
, , . , , , ?
 №3. .
№3. .— .
Home Assistant
openHAB , MegaD 2561 — c openHAB 
Binding, - MegaD openHAB. MegaD Binding MegaD openHAB.
 openHAB 2019
openHAB 2019Home Assistant MegaD , . openHAB , 2019 , Home Assistant. Home Assistant .
 Home Assistant 2020
Home Assistant 2020Home Assistant openHAB , . :
Home Assistant 
xMrVizzy, openHAB Home Assistant , Philips AirPurifier, - Roborock S5 Vera Plus, Home Assistant.
Home Assistant:
 Home Assistant 2019
Home Assistant 2019MegaD-2561:
 Home Assistant 2019
Home Assistant 2019Home Assistant MegaD-2561 
Hass.io :
- MQTT.
- HTTP GET- MegaD:
 — , :
 http://192.168.48.20/sec/?pt=35&scl=34&i2c_dev=htu21d;
 — , :
 http://192.168.48.20/sec/?cmd=all.
Home Assistant MegaD , , Home Assistant, MegaD.
, Home Assistant , :
 , Home Assistant 2020
, Home Assistant 2020Home Assistant , ():
https://github.com/jimz011/homeassistant/.
, , —
, . . - .
GitHub:
- openHAB;
- Home Assistant.
: 
: .
, Home Assistant: 
xMrVizzy.
5 — 10 2020 .