dtuGateway v2.2.0016

dtuGateway v2.2.0016 Release Notes

New Features

Complete Documentation Overhaul

• Fully restructured README: User-friendly setup guide with progressive disclosure
• 5-minute quick start: Step-by-step installation for new users
• Hardware compatibility matrix: Clear ESP32 variant support and pinout diagrams
• Comprehensive troubleshooting: Common issues, serial commands, and recovery procedures
• Smart home integration guides: Detailed setup for Home Assistant, openHAB, and MQTT
• Original documentation preserved in readme_old.md

Solar Monitor Mode

• Multi-inverter aggregation: Display combined power from multiple dtuGateway devices
• MQTT-based: Receives aggregated data via PV_Power_Sum and PV_Energy_Sum_Day topics
• Clean TFT display: Gauge + daily yield + real-time clock interface
• Perfect for installations: Main monitoring point for multi-inverter solar setups

OpenDTU Compatibility

• OpenDTU MQTT Topics: Enable OpenDTU-compatible topic structure in MQTT settings
• Drop-in replacement for existing OpenDTU setups
• Note: Disables Home Assistant auto-discovery (manual sensor setup required)

Timezone & DST Improvements

• Automatic DST switching based on timezone configuration
• Fixed night mode timing across DST transitions
• Better fallback when ESP32 RTC unavailable

System Management

• Settings protection: Lock web interface settings via serial command protectSettings 1/0
• Custom web port: Configure non-default port for web interface
• Remote reboot: Restart inverter, DTU, or gateway via web/MQTT

Hardware Support

• ESP32-S3 improvements: Better boot reliability and USB support
• ESP32-S3 16MB: New build target for high-memory variants

Bug Fixes

• Fixed night mode timing with DST
• Improved timezone handling fallback
• Enhanced ESP32-S3 boot sequence
• Better MQTT error recovery

Breaking Changes

• OpenDTU mode disables HA auto-discovery
• Manual DST setting replaced with automatic detection

Migration Notes

• From OpenDTU: Enable "OpenDTU Topics" in MQTT settings
• Settings backup recommended before upgrade
• Factory reset available via resetToFactory 1 if needed

New Contributors

• @chefpro made their first contribution with inverter reboot functionality and documentation improvements