JK_BMS is now a class

Version 4.0.0

• JK_BMS communication and print functions are now contained in the JK_BMS class.
• Support for multi BMS handling.

Version 3.2.1

• New macro ENABLE_OVER_AND_UNDER_VOLTAGE_WARNING_ON_LCD.

Adaption for ATmega644 - Analytics fixes and improvements

Version 3.2.0

• Adaption for ATmega644.
• Automatic ESR computation only for more than 100 data points.
• Keep accumulated analytics data at reset.

Version 3.1.0

• Analytics bug fixing.
• Analytics graph handling of extra capacity below 0 % and above 100 %.

Automatic detection of battery ESR if analytics are enabled.

Version 3.0.0

• Automatic detection of battery ESR if analytics are enabled.
• Removed direct computation of capacity.
• Changed CSV line.
• Changed default monitoring interval to 10 min / 1 hour.
• Added monitoring every Ah.

Version 2.6.0

• Refactored alarm and timeout handling.
• Removed default setting of CAPACITY_35F_EXTENSIONS, CAPACITY_379_EXTENSIONS and BYD_LIMITS_373_EXTENSIONS.

Version 2.5.2

• Fixed bugs.
• Back to start page at next button press after 1 minute.
• SHOW_SHORT_CELL_VOLTAGES is default now.
• Improved graph output.
• Reduced serial output.

Version 2.4.0

• Added optional user function to reduce max current at high SOC level.
• Optional 3 digits cell voltage on LCD.
• Support for communication status LED.
• Internal capacity computing.
• Added frame 0x373 for BYD style Cell limits.
• SOC graph output for Arduino Serial Plotter at startup and Capacity Statistics page.

Added SMA and Luxpower extension

• Added frame 0x35F for total capacity as SMA extension, which is no problem for Deye inverters.
• Added frame 0x379 for total capacity as Luxpower extension, which is no problem for Deye inverters.

Fixed LCD backlight timeout bug introduced in 1.3.0

• Fixed LCD backlight timeout bug introduced in 1.3.0.
• Long press of page button instead of debug button.
• Do not use sleep any more by default.

Fixed SOH == 0 bug

v2.1.1

Version 2.1.1 - Fixed SOH == 0 bug

Improved GUI

Version 2.1

• New compile option / macro USE_NO_LCD.
• GUI and print improvements.

Version 2.0

• New page for minimum and maximum cell statistics and balancing time.
• Show difference between actual and 100% voltage.

Tested version

See commits https:/ArminJo/JK-BMSToPylontechCAN/commits/main

Initial version

Can connection is not yet tested.