XIAO Soil Moisture Sensor Firmware

Low-power ESPHome firmware giving a soil sensor 600 days of battery life

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XIAO Soil Moisture Sensor Firmware preview

This is a replacement ESPHome firmware for the Seeed XIAO Soil Sensor that solves the one problem the stock firmware doesn't: battery life, measured at roughly 600 days on a single AA cell while still reporting soil moisture to Home Assistant over MQTT between deep-sleep cycles. It's built for gardeners using this specific sensor who want it to last months instead of needing frequent battery changes.

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