# V1.2.0 (2025-06-16 - 2025-06-26) **New Features** - Added SNMP interface for retrieving F407 power information. **Bug Fixes** - Fixed GPIO conflict for dry contact sensors on the LCD screen. - Resolved issue with batch threshold setting failure. - Fixed SNMP GETNEXT command errors. **Optimizations** - Optimized three-phase engineering configuration parameters. - Streamlined firmware by removing unused functional modules. ------------------------------------------------------------------------------ # V1.1.9 (2025-06-01 - 2025-06-15) **New Features** - Added support for displaying CO₂ sensor data. - Added Bootloader secure jump verification for 4-channel boards. **Bug Fixes** - Fixed sensor disconnection issue caused by rapid plugging/unplugging. - Resolved MQTT device number type error. **Optimizations** - Optimized alarm interface interaction logic. - Reduced Websocket push data volume. ------------------------------------------------------------------------------ # V1.1.8 (2025-05-16 - 2025-05-31) **New Features** - Added batch threshold setting function for F407 sensors. - Supports hot-switching between three-phase/single-phase operating modes. **Bug Fixes** - Fixed GPIO conflict during RGB meter head initialization. - Resolved SNMP sensor list retrieval exception. **Optimizations** - Optimized QT startup page loading speed. - Added Bootloader upgrade file verification mechanism. ------------------------------------------------------------------------------ # V1.1.7 (2025-05-01 - 2025-05-15) **New Features** - Supports dry contact alarms for multiple sensors. - Added channel timed Websocket push function. **Bug Fixes** - Fixed LCD data display conflict for multiple sensors. - Solved crash issue caused by MQTT connection failure. **Optimizations** - Optimized 4G activation configuration, reducing CPU usage. - Shortened sensor offline determination time (3 timeouts). ------------------------------------------------------------------------------ # V1.1.6 (2025-04-16 - 2025-04-30) **New Features** - Supports circuit breaker status detection. - Added support for 4-channel / 1-channel self-locking control boards. **Bug Fixes** - Fixed three-phase phase loss detection anomaly. - Resolved NTP synchronization failure for IP meter heads. **Optimizations** - Optimized Modbus TCP communication timeout handling. - Reduced memory usage for historical record storage. ------------------------------------------------------------------------------ # V1.1.5 (2025-04-01 - 2025-04-15) **New Features** - Supports 125A engineering configuration. - Added dual live wire version for three-phase input to single-phase output. **Bug Fixes** - Fixed Web threshold upper limit (max 999999). - Solved QT interface misalignment issue for three-phase data display. **Optimizations** - Optimized dual live wire power factor calculation algorithm. - Simplified product file reading logic. ------------------------------------------------------------------------------ # V1.1.4 (2025-03-16 - 2025-03-31) **New Features** - Supports reverse control for magnetic latching relays. - Added hardware support for 7-channel / 3-channel boards. **Bug Fixes** - Fixed dual live wire threshold enable anomaly. - Resolved STS control logic conflict. **Optimizations** - Unified parameter configuration for DC control boards. - Optimized stability of cascaded data reading. ------------------------------------------------------------------------------ # V1.1.3 (2025-03-01 - 2025-03-15) **New Features** - Supports SNMP power threshold management. **Bug Fixes** - Fixed crash issue on legacy three-phase control boards. - Resolved IP meter head database access conflict. **Optimizations** - Optimized synchronization between channel control and web data. - Reduced EEPROM write frequency on DC control boards. ------------------------------------------------------------------------------ # V1.1.2 (2025-02-16 - 2025-02-28) **New Features** - Supports App-side version number upload. - Added dual-stack (IPv4/IPv6) detection for 4G networks. **Bug Fixes** - Fixed Bootloader verification failure issue for new 5-channel/4-channel boards. **Optimizations** - Optimized QT interface layout, unified sensor unit display. - Compressed F407 basic data structure (256 → 92 bytes). ------------------------------------------------------------------------------ # V1.1.1 (2025-02-01 - 2025-02-15) **New Features** - Added web configuration items for 4G-related functions. - Added dual live wire single-phase control matching logic. **Bug Fixes** - Fixed WiFi SNMP protocol unavailability. - Solved stack overflow issue caused by frequent three-phase data reading. **Optimizations** - Optimized Websocket push cycle (0.5 seconds/push). - Added display support for CO₂ sensors. ------------------------------------------------------------------------------ # V1.1.0 (2025-01-16 - 2025-01-31) **New Features** - Supports STS (Static Transfer Switch) temperature monitoring. - Added magnetic latching relay control logic. **Bug Fixes** - Fixed upgrade function anomaly on single-phase control boards. - Resolved STS Modbus communication out-of-bounds issue. **Optimizations** - Optimized Bootloader jump verification process. - Reduced stack memory usage on three-phase control boards. ------------------------------------------------------------------------------ # V1.0.9 (2025-01-01 - 2025-01-15) **New Features** - Added network reset function (hold Up/Down keys to restore default configuration). **Bug Fixes** - Fixed dual live wire project configuration error. - Resolved QT interface sensor unit display anomaly. **Optimizations** - Optimized MQTT data structure (power status upload). - Streamlined firmware size by removing redundant modules. ------------------------------------------------------------------------------ # V1.0.8 (2024-12-16 - 2024-12-31) **New Features** - Supports channel "Monitor Only" mode. - Added 4G SMS alarm push function. **Bug Fixes** - Fixed GPIO conflict between RGB meter head and LCD screen. - Resolved INI configuration deadlock issue. **Optimizations** - Optimized 4G network detection mechanism. - Shortened sensor serial port read timeout to improve response speed. ------------------------------------------------------------------------------ # V1.0.7 (2024-12-01 - 2024-12-15) **New Features** - Supports three-phase total detection function. - Added dynamic DHCP allocation for Modbus TCP addresses. **Bug Fixes** - Fixed leak sensor display error on military 8-inch screen. - Solved QT interface rotation direction anomaly. **Optimizations** - Optimized communication efficiency between QT and PDU message queues. ------------------------------------------------------------------------------ # V1.0.6 (2024-11-16 - 2024-11-30) **New Features** - Added circuit breaker trip alarm function. - Supports control board firmware upgrade via web interface (includes QR code generation). **Bug Fixes** - Fixed threshold import exception. - Resolved sensor data garbled text issue on IP meter heads. **Optimizations** - Optimized packaging scripts for new hardware compatibility. - Refactored Web interface layout, fixed display misalignment. ------------------------------------------------------------------------------ # V1.0.5 (2024-11-01 - 2024-11-15) **New Features** - Added configuration file import/export interfaces. - Supports configuring meter face maximum values for voltage/current/power. **Bug Fixes** - Fixed memory leak in three-phase input to single-phase output configuration. - Resolved NTP synchronization failure. **Optimizations** - Removed database dependency on `product_id` to avoid configuration change anomalies. - Added slave temperature sensor data display to IP meter heads. ------------------------------------------------------------------------------ # V1.0.4 (2024-10-16 - 2024-10-31) **New Features** - Supports SNMP TRAP function (sensor/power overload alarms). - Added Websocket encrypted connection and HTTPS access. **Bug Fixes** - Fixed crash issue caused by cascaded data anomalies. - Resolved SNMP configuration invalid error. **Optimizations** - Optimized upgrade script push logic. - Sensor history records now displayed in reverse chronological order (last 60 entries). ------------------------------------------------------------------------------ # V1.0.3 (2024-10-01 - 2024-10-15) **New Features** - Supports Modbus TCP cascading communication and dynamic slave scanning. - Integrated Libcurl for email alarm functionality. - Added NTP time synchronization function. **Bug Fixes** - Fixed time zone setting error. - Resolved database anomalies caused by configuration file ID changes. **Optimizations** - Optimized NTP interface to support both IP and domain name modes. - Refactored thread management interface. ------------------------------------------------------------------------------ # V1.0.2 (2024-10-01 - 2024-10-07) **New Features** - Control boards support firmware upgrade logic. - Added time range restriction function for database queries. **Bug Fixes** - Fixed high CPU usage when no channels are scanned. - Solved three-phase total data reading anomaly. - Fixed single-phase/DC power consumption calculation error. **Optimizations** - Increased maximum voltage display limit to 500V. - Optimized configuration file import/export interfaces. - Resolved button display issues caused by XML limitations. - Improved sensor historical status storage logic. ------------------------------------------------------------------------------ # V1.0.1 (2024-09-16 - 2024-09-30) **New Features** - Supports synchronized three-phase data display on QT screen. - Added power consumption reset function for DC/single-phase devices. - Added watchdog mechanism to enhance system stability. - Supports independent configuration for DC overload alarm/action. **Bug Fixes** - Fixed DNS configuration error. - Solved issue where alarm threshold flags were not updated after reset. - Fixed single-phase/DC total power consumption calculation error. - Resolved file export function bug. - Optimized database query efficiency (default time range reduced to 1 week). **Optimizations** - Optimized power consumption calculation algorithm. - Changed meter head alarm identifiers from `ABC` to `L123`. - Adapted to dry contact sequence mapping requirements. - Web interface upgraded to version 9.28, supporting Alibaba Cloud MQTT. ------------------------------------------------------------------------------ # V1.0.0 (2024-09-01 - 2024-09-15) **New Features** - Adapted to Alibaba Cloud MQTT service. - Supports CO₂ sensor data reading. - Added sensor history record query interface. - Customized Web pages for clients (separated by user directory). **Bug Fixes** - Fixed sensor historical record storage anomaly. - Solved three-phase frequency calculation error. - Fixed power consumption reset function failure. - Fixed dual-head sensor threshold setting anomaly. - Resolved delay issue caused by switch detection board scan timeout. **Optimizations** - Merged RAM/ROM checks into a unified interface. - Optimized temperature/humidity sensor threshold retrieval logic. - Updated Web to version 9.28. - Added null checks to prevent out-of-bounds crashes.