Timdebruijn/heliograph

ESP32 firmware that reads solar inverters over their native RS485 protocols and republishes them as MQTT/Home Assistant, Modbus TCP, REST and Prometheus

4 stars 0 forks 4 watchers C++ MIT License

esp32 growatt growatt-inverter home-assistant homeassistant inverter modbus modbus-rtu modbus-tcp mqtt rs485 solar solar-energy solar-panels

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1 Open Issue Need Help Last updated: Jul 27, 2026

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EverSolar: several inverters on one bus, as eversolar-monitor already does about 2 hours ago

enhancement help wanted

Timdebruijn/heliograph

ESP32 firmware that reads solar inverters over their native RS485 protocols and republishes them as MQTT/Home Assistant, Modbus TCP, REST and Prometheus

C++

#esp32#growatt#growatt-inverter#home-assistant#homeassistant#inverter#modbus#modbus-rtu#modbus-tcp#mqtt#rs485#solar#solar-energy#solar-panels