ESP32 MiFlora Gateway

ESP32 BLE client for MiFlora compatible sensors. ESP32 metrics and MiFlora sensor measurements are pushed through MQTT.

Requirements

• A compatible ESP32 board
• A compatible MiFlora sensor
• MQTT server with authentication enabled. Mosquitto container is a good start
• (optional) A home automation software such as Home Assistant

Compatible Boards

This sketch has been tested against the following boards:

• Adafruit HUZZAH32 – Feather Board
• ESP-WROOM-32 - Development Board

Supported MiFlora Sensors

This sketch has been tested with the following MiFlora devices:

• VegTrug Flower Care Soil Tester
• WANFEI Flower Care Soil Tester

Setup

1. Edit settings in config.h:

• FLORA_DEVICES - MAC address(es) of your MiFlora sensor(s)
• SLEEP_DURATION - sleep duration between sensor reads
• EMERGENCY_HIBERNATE - emergency hibernate countdown when something gets stuck
• BATTERY_INTERVAL - Mi Flora battery status read interval
• RETRY - device retry count when something fails
• WIFI_SSID - WLAN SSID
• WIFI_PASSWORD - WLAN password
• ADC_Pin - ESP32 ADC pin number where the Battery is connected to
• MQTT Server settings

2. Open sketch in Arduino, compile & upload.

(optional) Home Assistant setup

TBD.

Credits

• Original fork: https://github.com/e6on/ESP32_MiFlora_MQTT