Introduction

Asset management through indoor positioning via bluetooth.

• Solution: HomeAssistant
• Locator: ESP32 for gathering bluetooth signal
• Beacon: nRF52832 for emitting bluetooth signal and representing assets

Technology

HomeAssistant

• mqtt sensor battery sensor for asset tag (mqtt_room) sensor representing the location of the asset
• mqtt binary sensor for locator installed at fixed places
• lovelace page (entities-list)

code Tips: http GET http://139.24.185.184:8123/api/error_log "Authorization: Bearer Token" docker run -d --name=home-assistant -v /root/homeassistant:/config -p 8123:8123 homeassistant/home-assistant:stable ufw allow proto tcp from 10.10.196.0/24 to 139.24.185.184 port 1883

Locator

ESP32 development board (brough from taobao)

installation

• ESP-IDF

code

Beacon

code

• Development with (nRF5 Series: Developing with SEGGER Embedded Studio)

• Specific Board nrf52832_tb with one button, one LED (brought from taobao, 30RMB) but available with jlink interface

  board file nrf52832_tb
  example project with this board ble_app_eddystone

• Major and Minor field are used for asset managmement

WeiChat MiniApp

code a mobiled beacon scan