Description

Circuit board for connection to a Daly (or rebranded) BMS for integration into the smart home.

The supplied cable is simply plugged into the corresponding socket on the BMS. No external power supply is necessary.

The circuit board or the Wemos is already delivered with the current firmware pre-installed.

Features:

• komplette Stromversorgung über das BMS, kein Netzteil oder ähnliches notwendig
• Possibility of connecting an external relay
• Communication lines galvanically isolated from the BMS
• Integrated wake button on the board
• Possibility of connecting an external wake button
• self-resetting fuse (GND loop)
• LED indicator for active wake from the software

Features:

• Captive portal for WiFi and MQTT configuration
• Configuration in the web interface
• Switching of MOS gates via web interface, MQTT and via web
• Set SOC via MQTT
• Retrieve essential data via web interface
• Get all data like cell voltage and more via MQTT
• classic MQTT data points or JSON string via MQTT
• Retrieve JSON via web at/livejson?
• Firmware update via the web interface
• Wake up or keep awake BMS via MQTT
• Universal switching output (only with external power supply)
• Blink codes for the current status of the ESP
• Homeassistant Discovery
• Password protection (if activated)

Compatible with the following manufacturers:

• Daly (confirmed)
• BullTron Polar series (confirmed)
• Hi-BMS (confirmed)
• XENES (confirmed)
• others using Daly-rebranded BMS (list will be updated as it becomes known)

Project page: https://github.com/softwarecrash/Daly2MQTT