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Improve UART-TTL wiring guidance: avoid UART0 (GPIO1/GPIO3), document BMS protocol selection

documentationImprovements or additions to documentationImprovements or additions to documentation

Status: Open.

#884 In syssi/esphome-jk-bms;

· syssi opened on Feb 14, 2026

Using JK-BMS PB series in parallel

modbus

Status: Open.

#882 In syssi/esphome-jk-bms;

· AlbertWeterings opened on Feb 10, 2026

Expose heating switch and sensor on modbus controller for BP BMS

modbus

Status: Open.

#857 In syssi/esphome-jk-bms;

· M3c4tr0x opened on Nov 27, 2025

Mention 5V logic level of the BMS

Status: Open.

#823 In syssi/esphome-jk-bms;

· xzw99308 opened on Oct 1, 2025

2 inverter BMS master+slave

modbus

Status: Open.

#706 In syssi/esphome-jk-bms;

· fastvd opened on Mar 20, 2025

Filter outliers of the Modbus communication per default

enhancementNew feature or requestNew feature or request

modbus

Status: Open.

#700 In syssi/esphome-jk-bms;

· syssi opened on Mar 11, 2025

BD2A20S150P can be interfaced using Modbus on the GPS port if protocol JK RS485 V1.0 is enabled

modbus

Status: Open.

#698 In syssi/esphome-jk-bms;

· uploader18 opened on Mar 10, 2025

Settings password

enhancementNew feature or requestNew feature or request

Status: Open.

#682 In syssi/esphome-jk-bms;

· m2teusz opened on Feb 16, 2025

Handling of NaN state in MQTT component

enhancementNew feature or requestNew feature or request

Status: Open.

#596 In syssi/esphome-jk-bms;

· FireFly3390 opened on Sep 10, 2024

Add Inverter CAN Support

enhancementNew feature or requestNew feature or request

Status: Open.

#586 In syssi/esphome-jk-bms;

· JohnGalt1717 opened on Aug 29, 2024

@txubelaxu Hi! I'm trying to understand your project and if I understood correctly, you connect the inverter to the battery via rs485 via CAN bus and simultaneously receive data from the inverter also via rs485 or is it not quite like that?

Status: Open.

#564 In syssi/esphome-jk-bms;

· txubelaxu opened on Aug 8, 2024

Add set datetime command

v14

Status: Open.

#425 In syssi/esphome-jk-bms;

· syssi opened on Jan 20, 2024