MQTT

An Mqtt server can be configured and will be used to dump all kinds of statistical data.

Topic	Example	Description
firmware/address	192.168.1.2	The Ip address in station mode
firmware/githash	feature/esp32c6@1ce4d74a	The branch and hash during build time
firmware/buildtime	2025-01-21T20:56:18.168163570Z	Compile time
firmware/last_online	2025-01-22T08:56:46.664+01:00	Last time this board was online
firmware/ota_state	Partition state is ESP_OTA_IMG_VALID	The OTA state, relevant for rollback
firmware/partition_address	0x10000	The OTA partition used, 0x10000 is ota_1
state	online	Current State, expected are online or sleep
battery	{ "voltage_milli_volt":"12860", "current_milli_ampere":"-16", "cycle_count":"12", "design_milli_ampere":"6000", "remaining_milli_ampere":"806", "state_of_charge":"15", "state_of_health":"93", "temperature":"2957" }	Dump of battery data
water	{ "enough_water":true, "warn_level":false, "left_ml":1337, "sensor_error":false, "raw":0,"water_frozen": "tank sensor error" }	Water Status dump
plant1	{ "a":"disabled", "a_raw":"0", "b":"disabled", "b_raw":"0", "mode":"OFF", "consecutive_pump_count":0, "dry":false, "active":false, "pump_error":false, "not_effective":false, "cooldown":false, "out_of_work_hour":false, "last_pump":"N/A", "next_pump":"N/A" }	Plant status dump
light	{ "active":false, "out_of_work_hour":true, "battery_low":true, "is_day":false }	Light status dump
deepsleep	night 1h	Why and how long the ESP will sleep