weegschaal

Use Medisana BS444 scale with ESPHome on ESP32 in Home Assistant

BS430 users have a look at https://github.com/bwynants/weegschaal/tree/ESP32-BLE-Arduino

how to setup

Add a reference to the code on github

external_components:
  - source:
      type: git
      url: https://github.com/bwynants/weegschaal
      ref: main
    components: [ medisana_bs444 ]

or local on your esphome directory

external_components:
  - source: 
      type: local
      path: components

add esphome ble tracker component

esp32_ble_tracker:
  scan_parameters:
    interval: 1100ms
    window: 1100ms
    active: false

add esphome ble client component and set the correct MAC address

ble_client:
  - mac_address: "00:00:00:00:00:00"
    id: medisanabs44_ble_id

sensor:
  - platform: medisana_bs444
    ble_client_id: medisanabs44_ble_id
    timeoffset: true # BS410 and BS444 needs timeoffset, set to false for other scales
    weight_1:
      name: "Weight User 1"
    kcal_1:
      name: "kcal User 1"
    fat_1:
      name: "Fat User 1"
    tbw_1:
      name: "Water User 1"
    muscle_1:
      name: "Muscle User 1"
    bone_1:
      name: "Bone User 1"
    bmi_1:
      name: "BMI User 1"

    weight_2:
      name: "Weight User 2"
    kcal_2:
      name: "kcal User 2"
    fat_2:
      name: "Fat User 2"
    tbw_2:
      name: "Water User 2"
    muscle_2:
      name: "Muscle User 2"
    bone_2:
      name: "Bone User 2"
    bmi_2:
      name: "BMI User 2"

up till 8 users can be specified....

add homeassistant time

time:
  - platform: homeassistant
    id: homeassistant_time

support

propably more medisana scales work BS410/BS430/BS440, but i only have the BS444 to test

credits

based on reverse engineering from https://github.com/keptenkurk/BS440