Trydan Updates
We are continuously working to improve Trydan’s functionalities.
Check all e-Charger updates.
2.4.6
May 6, 2026
Minor fixes OCPP
Fixed
OCPP password bug
Fixed
Problems connecting to CSMS after restarts
2.4.4
April 29, 2026
Target kWh charging, new OCPP features, new inverters, and various bugs.
Improved
Time synchronization
Added
Target charge kWh
Added
New SMA Sunny Boy model
Added
New Fronius model with battery
Added
Select Modbus API address ID
Added
New Deye models
Fixed
Exclusive mode bug with batteries
Added
Sofar Solar inverters
Added
Azzurro inverters
Fixed
Coordinate "ContractedPower" and load profiles with HTTP API.
Fixed
Improve RFID errors
Added
Select MID address
Improved
Power plate measurements 1.0
Fixed
Mixed load bug
Improved
WiFi improvements
Fixed
Bug photovoltaic mode + minimum
Fixed
Bug statistics without FV via BLE
Added
EMMA Huawei
Added
Security Profile 2 OCPP (wss + auth + CA cert)
Added
Private 4G SIMs in OCPP
Added
OcppFreeMode
Added
OCPP internal message queue
2.4.2
February 2, 2026
Minor fixes
Improved
More robust OTA update
Added
MIFARE Ultralight RFID Cards
Fixed
Bug management autolock with payments mode
Fixed
Bug in payments mode with RFID
2.4.1
January 8, 2026
Bugs in inverters and minor improvements
Improved
Installation problem readings
Improved
Improvement in BYD mode
Fixed
Bug with Wibeee inverter
2.4.0
December 15, 2025
Improvements in inverters and Modbus/HTTP APIs, enhancements in dynamic control and load management, more robust OCPP, and minor fixes.
Added
Obtain firmware version via Modbus
Updated
Improvements in dynamic control
Updated
Improvement in Sungrow inverter measurements
Fixed
Error "Waiting for Power"
Updated
Improvements in the OTA update
Updated
Improvements in the button panel menu
Updated
New Deye models
Added
GoodWe via Modbus TCP
Updated
OCPP: improvement in MeterValues
Added
OCPP: FirmwareManagement
Updated
OCPP: send StatusNotification "Faulted" with errors and warnings
Updated
OCPP: publish current version
Updated
OCPP: BootNotification timeout
Updated
New NTP servers
Added
Autolock
Added
New MID models
Added
New awakening modes
Updated
Improved WI-FI scanning
Added
Allow changing the charging type in HA (single-phase, three-phase, or mixed)
Updated
Improvement in P1 meter
Updated
Improvement in remote logs
Updated
IoT call limitation per charger
Added
Linky meter for French meters
Fixed
Bug with RFID cards with long names
Fixed
Bug when requesting the list of Wi-Fi SSIDs via Bluetooth.
Fixed
Improve statistics via Bluetooth
Fixed
Local balancing improvements for up to 10 devices
Updated
Upgrade RAM
Updated
Stability via Ethernet
Updated
Corrected translations
Fixed
Bug when sending RFID code in the statistics.
Added
Modbus termination resistance
Added
Reading individual properties HTTP API
Added
Turn off/Turn on logo and LCD from HTTP API
Fixed
Bug with Exclusive FV mode and batteries
2.3.20
June 9, 2025
New static power control for Trydan. Key improvements in power control and compatibility with the European market.
Added
Static power control is added (only with Trydan consumption).
Updated
The power control algorithm has been modified step by step to apply PID modulation.
Added
Mixed charging adapts to European rates.
Added
Power control programming with phase limits is allowed.
Added
Power control adapts to European countries with phase current limits.
Updated
The static power control between sockets or between e-Chargers is improved.
Fixed
The failure of remote logs is avoided when a disconnection occurs.
2.2.8
March 13, 2025
2.2.7
December 4, 2024
Improvements in Wake Mode and in the MQTT port
Fixed
Fixed bug when changing the port in MQTT.
Improved
Improvement in Wake Mode
2.2.5
November 18, 2024
Scheduled programming with EcoCharging. Improvements in the implementation of the OCPP protocol, in the reading of electrical signals, and in system optimization (reduction of RAM usage).
Added
EcoCharging to schedule charging automatically during the cheapest daylight hours.
Added
Turning on and off LEDs via Modbus TCP/RTU. Option to adjust and query the intensity of the LEDs and the LCD screen.
Improved
Reading the power value of the batteries in Goodwe EH and ET inverters.
Added
Compatibility with the new Chint DTSU666-G meter model, allowing for broader integration in various installations.
Improved
System optimization: reduction of RAM usage, improving overall system stability and performance.
Added
Firmware update of the V2C ControlBox meter (2.0) via the access point (AP) and the mobile app.
Added
Improvement in the reading of electrical signals: State F detection implemented, enhancing the system's ability to recognize and respond to different operating conditions.
Improved
Improvement in the reading of electrical signals: Enhanced verification for state E, in addition to omitting zero values from the DMA to avoid incorrect readings.
Improved
Improvement in reading electrical signals: Now the CP (Control Pilot) signal is read using a parallel task, which enhances the accuracy and response of the system when interacting with the electric vehicle.
Improved
Improvement in the reading of electrical signals: Enhanced stability during this calibration process through the app.
Added
Improvement in the reading of electrical signals: The reading of the input PWM signal has been implemented using DMA (Direct Memory Access), enhancing efficiency and reducing processing load.
Fixed
OCPP: Fixed a false card detection alert that appeared when starting the system, avoiding confusion and improving the user experience.
Improved
OCPP: Host name resolution. Optimization of libraries to improve DNS resolution and the reliability of secure connections via Secure WebSocket (WSS), increasing stability in communication with remote servers.
Improved
OCPP: Ensuring that all important information reaches the server once the connection is restored through a persistent message queue.
Improved
OCPP: Status notifications. Improving communication with the central server for sending status notifications.
Added
OCPP: Detailed reasons for OCPP functions, providing more comprehensive information about the actions taken and facilitating the diagnosis and analysis of events.
Added
OCPP: The ability to operate in offline modes, allowing the charger to function correctly even without a connection to the server. Pending messages are stored and sent once the connection is restored, ensuring reliable and consistent communication.
Added
OCPP: New OCPP state machine. Now, the system connects to the OCPP Central Server (CS) and receives most commands, enhancing interoperability and remote control.
2.1.17
July 15, 2024
Improvement in memory management and Modbus TCP connections, added hybrid SAJ and Shelly Pro.
Added
Voltage reading and writing manual for installation for Modbus TCP and HTTP integrations.
Improved
Leak detection
Fixed
Information on RFID cards to the OCPP platform standard for compatibility with platforms like E-flux, Monta…
Improved
Memory management to avoid unexpected restarts with OCPP and the deletion of scheduled power profiles.
Added
SAJ hybrid inverters
Added
Shelly Pro meters
Improved
Modbus TCP connections of Trydan and Trydan Pro with Huawei, Fronius, Victron, Ingeteam, SolarEdge, Kostal Plenticore, SMA, and SAJ Hybrid in error 252.
Fixed
Collision between the SPI elements (RFID, Ethernet, and GPIO extender) of Trydan Pro
Improved
Visualization of the RFID card authentication process in OCPP
Added
Information on the response /RealtimeData from http at the request of the developer of the official HA integration.
Added
Direct methods to activate the access point (WiFi AP) and ping a specific IP.
Added
Topic trydan_v2c_voltage to write the installation voltage via MQTT.
Improved
The memory used in JSON and OCPP is transferred to the SPI RAM.
2.1.11
June 5, 2024
Visual changes and minor fixes
Added
Adaptation of OCPP to new central systems
Fixed
LEDs blink when there is no connection.
Fixed
Bug in Greenheiss hybrid
Added
New Deye models
Improved
Improvements in the direction detection of the V2C 2.0 control box
2.1.10
June 3, 2024
Fixed minor bugs, added Shelly Pro (EM and 3EM) and Deye three-phase.
Improved
Show text on bidirectional meters
Fixed
Bug with French language
Improved
Readings with Fronius and DTSU666
Fixed
Raise the HTTP server via Ethernet
Improved
Reaction times in the leak detector
Fixed
Bug in payments
Added
Deye / Turbo Energy three-phase
Fixed
Read-only in the OCPP properties
Fixed
Save power segments via Bluetooth on some devices.
Added
Shelly Pro EM and Shelly Pro 3EM (Beta)
Fixed
Measures Shelly Portugal
Improved
Show Waiting for Charge in Stop mode
2.1.7
May 6, 2024
Minor bug fixes from the previous version.
Improved
Show stop due to dynamic control
Improved
Restarts due to reconnection attempt
Fixed
NaN measurement on some meters
Improved
QA Protocol
Improved
Voltage and Temperature Reading Power PCB
Fixed
Error in Home Wizard readings
Added
Live Remote Logs
2.1.4
April 22, 2024
Performance and compatibility improvements. Trydan is now more efficient and compatible with the OCPP standard, with stronger QA processes. It also optimizes memory usage and strengthens statistics to provide more accurate data.
Improved
Performance improvement and future compatibility between Trydan and Trydan Pro.
Improved
Improvements in OCPP protocol
Improved
Improvements in the QA process
Improved
Improvement in memory usage
Improved
More robust statistics
1.7.17
December 12, 2023
Azure update, new BLE, modification to wake up vehicle
Improved
Azure library update
Improved
Update of ESP-IDF and Arduino-ESP32 libraries
Added
Networks with WPA3 security
Fixed
Modification of Deye/Turbo Energy batteries
Improved
Investor communication via WiFi connection without Internet
Fixed
Customizable MQTT topics and username/password
Added
New BLE (NimBLE)
Fixed
Disconnection statistics report
Fixed
BLE compatibility of iPhone
Added
e-keys via BLE connection
Improved
Improvement in V2C 2.0 meter refresh rate
Improved
Improvement in OCPP, adaptation to support disconnections
Improved
Improvement in key fob detection
Fixed
Operation of V2C 2.0 meter at night
Improved
Improved refresh rate
Added
New language: Romanian
Fixed
Automatic date and time
Added
Enphase version 7.x.x, Solis with batteries
Fixed
Interaction with Megane
Added
Adaptation of the i2c power board
Improved
Improvement of values in Huawei, improvement of Chint in Huawei, and end of charge review.
1.6.18
July 17, 2023
Production deployment and minor corrections
Improved
WiFi recovery routine
Added
Bug in photovoltaic three-phase mode
1.6.17
July 10, 2023
Improvements and stabilization of the connection with Azure
Added
Mixed three-phase charging available through the physical menu.
Added
Added three-phase MID Meter
Added
Inclusion of server ID 2 in SolarEdge inverters
Added
Added Modbus registers with the measurement from the meter.
Added
HTTP commands added for integration with HA.
Added
Enphase Envoy Inverter (beta) (versions 5.x.x)
Added
V2C 2.0 error detection of clamp not connected
Added
MQTT Slave with user/password authentication and customizable topics (beta)
Improved
Improvement of the WatchDog to prevent system freezing
Improved
Improvement of nearby WiFi scanning
Improved
BluetoothLE service reconnection protocol
Improved
WiFi optimization IRAM and affinity with the Azure task
Improved
Reconnection protocol in the absence of WiFi
Improved
Factory reset
Improved
The error code and LED interface
Improved
Improved the Isolated Installation mode and zero feed-in.
Improved
Reduction in cut-off time through dynamic control to 1 min
Improved
Automatic detection of time and time zone
Improved
The optimization and refactoring of the measurement slaves
Improved
Unlocking with BLE Tag
Fixed
Occasional LCD freezes
Fixed
False positives from the leak detector
Fixed
Problems with the MID Meter
Fixed
LED error during update
Fixed
Default value for JSON type variables
Fixed
Measurement at 0 in Deye/TurboEnergy Inverter
Fixed
Visual errors and address assignment of local balancing
1.6.11
April 13, 2023
Corrections for version 1.6.9 and new meters
Added
Solar Discount on Shortcuts
Improved
OCPP improvements and tested in MONTA
Fixed
Frozen LCD
Added
Deye/TurboEnergy Inverter Beta
Added
Phoenix Contact meter
Added
Carlo Gavazzi meter
Improved
Problems in dynamic control
Improved
Reconnects and WiFi Stability
1.6.9
March 27, 2023
BETA: Fixes and MID meter
Added
Isolated Mode in Photovoltaic Modes
Fixed
Unexpected locks and unlocks
Fixed
White blinking in locked mode removed
Added
Dutch, Danish, and Valencian
Improved
Local Balancing Protocol and priorities
Improved
Detection of ports and hosts in OCPP
Fixed
Error selecting the slaves in beta
Added
Leak sensor modes (installer menu)
Added
MID meter (installer menu)
Improved
Stable version of SMA Sunny Boy
Improved
Portuguese version of Wibeee
Improved
Fronius measuring home consumption
Fixed
Error of SolarEdge three-phase inverters
Added
New Ingeteam protocol (Battery Management)
Added
Three-phase meters DTSU666
Added
SDM three-phase meters
1.6.8
March 3, 2023
1.6.7
January 30, 2023
Calibration for the new Hardware
Improved
Calibration adapted to the new hardware
Fixed
Data analysis in Kostal Piko fixed
1.6.5
January 23, 2023
Local balancing and general improvements
Added
Local balancing between Trydans available via WiFi or wired connection.
Fixed
Bug in Max and Min Intensity via Modbus fixed.
Improved
Configurable installation voltage
Added
SDM-220/320/120 (Tested with the Eastron brand)
Added
DDSU-666 Meter (Common in Huawei installations)
Added
Self-calibrated without the need for a car
Added
Manual hour available
Improved
New manufacturing process
Fixed
False positives in the leak detector fixed
Added
HTTP requests to manage the logs
Added
New Modbus Registers
Improved
Included Shelly three-phase but without FV measurement.
Added
Greenheiss inverters
Added
SAJ Inverters
Added
Wired Solis inverters
Improved
Car consumption via MQTT fixed
Added
Response time in configurable dynamic control
Compatibility
Beta models of Goodwe: the battery measurement is canceled.
Improved
Improved and more intuitive physical menu
1.5.10
December 12, 2022
Fixes in Shelly with only three-phase and crashes of Goodwe.
Added
Prevention of conflicts between slaves and the cloud
Fixed
GoodWe conflicts and Azure initialization
Fixed
Fix in Shelly with only three-phase.
1.5.9
November 28, 2022
Modbus Hotfix and error with notifications
Improved
Pending statistics will be sent only once.
Fixed
Modbus Multiple Readings Hotfix
Improved
Shelly 3EM three-phase and modification for Portugal
1.5.8
November 22, 2022
General improvements, calibration, and shortcuts via WiFi
Improved
OCPP Improvements
Added
New Modbus registers
Added
RFID reader in alpha version
Fixed
Bluetooth timezone failure
Added
SolaX X3 hybrid compatible
Improved
Improvement in WiFi scanning
Fixed
Error in Trydan synchronization - APP
Improved
Improvement in reconnection routines
Fixed
Static IP configuration in Trydan via WiFi
Fixed
Error saving Modbus parameters
Added
Available calibration and shortcuts via WiFi
1.5.6_jungle
October 26, 2022
Communication with the car, calibration, and GoodWe hybrids
Added
New calibration method for communication with the car
Improved
Improvement in the communication analysis with the car
Added
Beta version of the GoodWe ET/EH/BT/BH
1.5.5_jungle
October 17, 2022
New dynamic control and new inverters
Improved
Reformulation of the Dynamic Control algorithm
Improved
Improvement in the refresh rate of Huawei inverters
Improved
SolarEdge stable (Meter measuring export)
Added
Auto lock after 60 seconds without a car (shortcut)
Added
Modification for Three-Phase Installations in Portugal for V2C 2.0
Added
Kostal Piko is added.
Fixed
Stored in memory after writings via Modbus TCP and RTU
Improved
Stable version of GoodWe
Fixed
Bug in the FV measurements and peaks resolved for V2C 2.0
Improved
Detection of state D and E according to protocol
Improved
Improved QA process
1.5.4
September 26, 2022
Azure improvements and load verification
Added
GoodWe in beta version
Improved
MQTT in stable version
Added
Check the charging status to avoid short charges (Car at 100% or on scheduled charging)
Improved
Victron in stable version
Improved
Improved connection with Azure
1.5.3
September 16, 2022
Beta version inverter patch and MQTT slave
Improved
Detection of power direction in Wibeee
Fixed
The Victron and SolarEdge inverters were bringing down the system.
Added
MQTT slave beta version
1.5.2
September 14, 2022
New meters and error correction
Added
SolarEdge inverter added (Beta)
Added
Victron inverter added (Beta)
Added
Autolock enabled in shortcut (60 s)
Added
Automatic time zone detection
Fixed
Fixed error in minimum power mode.
Added
Alternative meter for car consumption (RS485)
Added
FV Exclusive with configurable variation
Added
New Languages (French, Italian, and German)
1.5.1
September 5, 2022
Improvements in version 1.5.0
Fixed
Resolved the issues with Trydan IP configuration using WiFi and BLE.
Fixed
Resolved the issues with the IP configuration of Shelly BLE.
Improved
Improvements in Dynamic Control with batteries
Improved
Improvements in Dynamic Control in Three-Phase Installations (Exclusive Mode and Minimum Power)
1.5.0
August 29, 2022
New meters, bug fixes, and other options
Added
Inclusion of the Wibeee meter
Added
Slave 2.0 compatible with Type 1 and Type 2 installation
Added
Change in the established connection blinking
Updated
First stable version of Ingeteam
Updated
Improvement in the speed of the leak detector
Improved
Inclusion of maximum intensity in OCPP (as a property)
Added
Detection and measurement of bifacial load
Added
Improvement in the collection and transmission of charging data
Improved
Improvement in the reading of Solax inverters
Improved
Inclusion of batteries in Huawei, Ingeteam, and Fronius inverters.
Improved
ModbusRTU and Modbus TCP server in Trydan
Added
Alternative Meter Phoenix Contact (ModbusRTU)
Added
ModbusRTU in Trydan (simultaneous slave and master)
Added
Static IP configuration on Trydan
Added
Possibility to select the IP in Shelly
1.4.9
July 25, 2022
Correction in production equipment: they do not save WiFi.
Fixed
Manufacturing error solution when saving WiFi
1.4.8
July 8, 2022
Reported behavior improvements by Customers
Added
Eliminate false communication errors from the slaves.
Added
Save the first Shelly that Trydan connects to.
Updated
With dynamic control disabled, maintain intensity after finishProgramedSaveMode.
1.4.7
July 4, 2022
Improvements in OCPP and WiFi scanning
Improved
Improvement in telemetry recovery in OCPP
Improved
Improvement in scanning nearby WiFi networks
1.4.6
June 16, 2022
Implementation of Home Assistant OCPP and generic improvements
Added
Internal Azure ping every 15 seconds to detect disconnections.
Improved
Migration of the I2C for the clock and LCD to native idf
Added
Separate reconnections to avoid crashing the server.
Added
OCPP adaptation to work with Home Assistant
1.4.5
June 6, 2022
Fixing minor bugs
Fixed
Recovery of OCPP transactions to prevent telemetry failures
Improved
Increase maximum binary size in local webServer
1.4.4
May 31, 2022
Improvement of power calculation and error correction
Added
The configuration of different IDs for Huawei inverters is added.
Fixed
Correction of the lock due to Payment Mode and OCPP after deactivation of these.
Improved
Correction of the power reading of the house
1.4.2
May 23, 2022
Inclusion of OCPP, payment method, and improvement in inverters.
Improved
Improvement of WiFi and Bluetooth stability and reconnection
Fixed
Reconnection improvement in the inverters and fix after the update of the Huawei SUN2000.
Added
Payment Method (V2C Payments)
Added
OCPP Protocol
1.3.13
May 23, 2022
Correction on Local Server
Fixed
Correction of the maximum file size for updates on Local Server
1.3.12
May 2, 2022
Improvement of the second manufacturing version of Trydan
Fixed
Corrected Shelly and Solax routines
Added
List of available WiFi networks from Trydan (for viewing from iPhone and Android)
Improved
Reconnection with V2C Cloud after loss of communication
1.3.7
April 14, 2022
Second manufacturing version of Trydan
Added
Shortcuts on the buttons: Lock and Charging Schedule
Improved
Improvement in LED error codes
Added
Local Web Page for configuring the Trydan accessible via AP or STA WiFi
Added
AP mode when the configured WiFi is not available
Improved
Adaptation for compatibility with Huawei inverters
1.2.2
March 15, 2022
Additional Improvements
Improved
Improvements in screen writing and removal of strange characters
Improved
Improvement in the transmission of statistics via both WiFi and BLE.
Added
We added connectivity with Fronius inverters.
1.1.0
February 4, 2022
Stable initial version of Trydan. First production version.
Added
Correction of errors x and y