home-assistant-tong-petronas-weight-scale

home assistant tong petronas weight scale

nodemcu + hx711 + 150kg load cell + ds18b20

Component

1. nodemcu - rm20

https://shopee.com.my/NodeMCU-Lua-V3-ESP8266-WIFI-with-CH340G-i.67321722.1369676742?sp_atk=a8bc2a60-ed80-477d-9139-b589a10a7ea9&xptdk=a8bc2a60-ed80-477d-9139-b589a10a7ea9

2. 150kg load cell - rm33

https://shopee.com.my/150KG-180KG-200kg-220KG-electronic-platform-scale-load-cell-pressure-balanced-cantilever-load-i.37988701.18725023887

3. Hx711 - rm6.50

https://shopee.com.my/Load-Cell-Straight-Bar-5kg-1kg-50KG-Weight-Sensor-HX711-module-i.67321722.1170398438?sp_atk=65958100-10b0-4461-ac4f-d4a93a468e1a&xptdk=65958100-10b0-4461-ac4f-d4a93a468e1a

3. ds18b20 - rm7 x 2

https://shopee.com.my/Arduino-Water-Proof-DS18b20-Temperature-Sensor-Probe-i.67321722.1170224467?sp_atk=c74cc895-954b-4821-be3a-3ea9d2e6717b&xptdk=c74cc895-954b-4821-be3a-3ea9d2e6717b

Setup

1. EspHome

Refer to file: gaspetronas.yaml

2. Home assistant lovelace

 a. Gauge Card Configuration
      type: gauge
      max: 32
      needle: true
      severity:
        green: 24
        yellow: 20
        red: 16
      min: 16
      entity: sensor.gaspetronas_gas_petronas_raw
 b. Entities Card Configuration
    type: entities
      - entity: binary_sensor.gaspetronas_status_dapur_kiri
      - entity: binary_sensor.gaspetronas_status_dapur_kanan
      - entity: sensor.gaspetronas_dapur_kiri
      - entity: sensor.gaspetronas_dapur_kanan
      - entity: sensor.gaspetronas_gas_petronas_raw
        name: Gas Petronas Raw
      - entity: sensor.gaspetronas_petronas_berat_gas_kg
        name: Petronas Berat Gas kg
      - entity: sensor.gaspetronas_petronas_gas_usage_m3
        name: Petronas Gas Usage (m³)
      - entity: sensor.petronas_gas_daily
      - entity: sensor.petronas_gas_monthly
      - entity: sensor.stats_dapurkanan
      - entity: sensor.stats_dapurkiri
    title: gaspetronas

References

1. Building a bed occupancy sensor for Home Assistant

https://everythingsmarthome.co.uk/building-a-bed-occupancy-sensor-for-home-assistant/?fbclid=IwAR0WeUXlgkAMa_q5WUUfeYlAb3Ml1X4fnHhHRwAMX6VZCuKC6bAkBWexLq8

2. Measure Propane, CO2, Salt, and so much more with this DIY MQTT Weight Sensor using Tasmota

https://www.thesmarthomehookup.com/diy-weight/?fbclid=IwAR2Mbtf7MhSrRkxYHYo8gb3rr5fMSEI-YQkKzr4_YyJPjMiB0ey7T466T7w

3. markusressel ESPHome-Smart-Scale

https://github.com/markusressel/ESPHome-Smart-Scale?fbclid=IwAR3GlpHknn79m6mIvBI3P59OpnZbeBbBWcwsBaEeW_b8cO2CkI4seYPRFuU