GitHub - lebeno/MarstekVenus-LilygoRS485: Modbus interface using ESP Home Many thanks to scruysberghs

Config for managing and monitoring a Marstek Venus Battery over Modbus in Home Assistant using an Lilygo RS485 or other ESP controller with ESPHome. (https://gathering.tweakers.net/forum/list_messages/2282240)

6-6-2025 Github added LilyGo T-POE-Pro @MUN0X
20-7-2025 Max, Min en Delta Battery voltage sensors
22-7-2025 Wifi Signal Strength
22-7-2025 float (0) in marstek_venus_battery_control.yaml
24-7-2025
- WebUI with icons
- WIFI /BT /CLOUD status
- WIFI strength %
- Battery WIFI strength %
- Software/Firmware/BMS version
- Power restriction status
9-8-2025 Lilygo Github BMS V2.15 Cell temp scale
3-8-2025 Lilygo Github neopixelbus > esp32_rmt_led_strip
21-9-2025 Type changed from arduino to esp-idf.
24-9-2025 Added Debug information and switch to CPU Frequency: 240 MHz (was 160MHz)
30-9-2025 added Captive portal
18-10-2025 Correct Max/Min Cell Temperature by multiplying value by 0.1 for BMS versions < V2.13

Name		Name	Last commit message	Last commit date
Latest commit History 98 Commits
Automation		Automation
LilygoWifiV2		LilygoWifiV2
MarstekVenus-Lilygo-T-POE-Pro.yaml		MarstekVenus-Lilygo-T-POE-Pro.yaml
MarstekVenus-Lilygo-T-POE-Pro2.yaml		MarstekVenus-Lilygo-T-POE-Pro2.yaml
MarstekVenus-Lilygo-T-POE-Pro3.yaml		MarstekVenus-Lilygo-T-POE-Pro3.yaml
README.md		README.md
T-POE-PRo - Case Top.stl		T-POE-PRo - Case Top.stl
T-POE-Pro - Case Bottom.stl		T-POE-Pro - Case Bottom.stl
T-POE-Pro Case v4.dwg		T-POE-Pro Case v4.dwg
T-POE-Pro Case v4.step		T-POE-Pro Case v4.step
lilygo-rs485-2.yaml		lilygo-rs485-2.yaml
lilygo-rs485-3.yaml		lilygo-rs485-3.yaml
lilygo-rs485.yaml		lilygo-rs485.yaml
marstek_venus_battery2_control.yaml		marstek_venus_battery2_control.yaml
marstek_venus_battery3_control.yaml		marstek_venus_battery3_control.yaml
marstek_venus_battery_control.yaml		marstek_venus_battery_control.yaml

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