BLE gateway from Xiaomi Gateway DGNWG05LM * without BLE

(eu version - lumi.gateway.mieu01)

In this post I will tell you how you can collect BLE data and transfer via MQTT to smart home systems, for example, HomeAssistant.

How it all began?

: . root , miio HA openwrt . , , .

zigbee2mqtt . zigbee-herdsman, @xiaomi_gw_hack openwrt , ( RGB, , , wi-fi ).

@lenz1986, @Alx2000y, @belokobylskiy!

, wifi rtl8723bs bluetooth BLE.

bluetooth. uart, — . @lenz1986

Several boards helped a lot to understand the inner world of the gateway.

This is how the board looks like without a processor) — )

, 4 UART . uart bluetooth wifi rtl8723bs. uart DTB, openwrt . @lenz1986 !

! openwrt . uart . ( @divanikus)

https://openlumi.github.io/

Bluetooth rtk_hciattach . hciconfig

2 , bluetooth .

hciconfig hci0 up
AutoEnable

/etc/bluetooth/main.conf

true

. . hcitool lescan

BLE

BLE , - zigbee2mqtt. Node.Js, node-red. EspruinoHub. ( , )

mqtt , CLI web LYWSDCGQ ( ) .

I used to listen to them on esp32 via esphome. A small comparison of the received data from one thermometer. — esp32 esphome. .

, , raw . .

example of cli interface with the status of available devices — cli

Xiaomi bluetooth BLE Advertising Packet, , . , .

MiBand .

xiaomi, BLE fe95. . github . espruino , hannseman/homebridge-mi-hygrothermograph. .

Xiaomi, fe95. (, , ), .

EspruinoHub , . , bindKey . bindKey miHome.

MQTT Discovery - Home Assistant

, HomeAssistant. EspruinoHub , . , config homeassistant mqtt

.

raw ( ).

LYWSDCGQ - " ". mqtt discovery HA

testimony before

LYWSD02 - ,

LYWSD03MMC - , ( bindKey). 2 , . pvvx. . , .

MI SCALE - 181d v1 - ( ) - ( ) - . 181b v2 , . -

Mi band 3 fee0 . MiFit.

, . Amazfit GTS

HHCCJCY01 MiFlora, Huahuacaocao - temperature, moisture, illuminance, conductivity, battery_level

. , mqtt bindKey .

YEERC - esp32 tasmota , . YEELIGHT, 32 bindKey . , . ( event counter ) - . . .

EspruinoHub Xiaomi OpenWrt ?

git / npm, EspruinoHub

opkg

https://openlumi.github.io/openwrt-packages/

.

opkg update
opkg install node-espruinohub

- mqtt . mqtt, /etc/espruinohub/config.json

! . ( )

. "only_known_devices": true

, .

HomeAssistant json , . .

"mqtt_format_json": true,
"homeassistant": true,
"mqtt_cache_state": true

rssi . rssi .

data from devices fly quite often if they are in line of sight. — .

: BLE, Bluetooth . .

opensource BLE

devbis/ble2mqtt - python bleak, , .
Beetle-II/lumi - hannseman/homebridge-mi-hygrothermograph, bindKey . raw mqtt. + BLE.

, !

, .

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