# Changelog All notable changes to HydroponicOne will be documented in this file. The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/). ## [Unreleased] ### Added - VPD (Vapor Pressure Deficit) calculation and monitoring - DLI (Daily Light Integral) tracking with PAR sensors - Master/Slave architecture with LoRa communication - Hydroponic system type selection (DWC, NFT, Ebb & Flow, etc.) - AI-powered dashboard assistant - Camera integration for plant health monitoring ### Changed - Improved EnvironmentManager with MQTT alert publishing - Enhanced dosing safety with relay failsafe timeouts ### Fixed - EC high warning now triggers MQTT alerts (not just logs) ## [1.0.0] - 2026-04-14 ### Added - Initial ESP32 firmware release - Multi-sensor support (pH, EC, DHT22, DS18B20) - MQTT telemetry publishing - Automated pH and nutrient dosing - Environmental control (fans, lighting) --- For a complete list of changes, see [GitHub Releases](https://github.com/40rbidd3n/Hydro0x01/releases).