Questions and Answers

How can I compile my own firmware?

Please look at wiki page regarding "gitpod". In your gitpod WebUI you are able to change code (if needed) and recompile it by command platformio run

My Inverter sends no data or not all expected data

Please update your Inverter with the newest firmware. You have to enable modbus protocoll and check Modbus-ID and Baudrate on your Inverter .

My Inverter Solax X1 Boost G3 or Solax Mini G3 doesnt send data

The first Modbus RS-485 enabled firmware in both Inverters are ARM 1.37. So please make sure your ARM firmware is equal or higher than 1.37

My Inverter model isn´t supported yet

Please try one of the supported models. Many Inverters are using the same protocol or parts of it. Feel free to open a new issue here to get support

How to show serial output for debugging

Please install the program hterm. It exists for windows and linux. Start it and configure it like this screenhot. Connect the ESP to your Inverter (to get real values) and via USB-cable to your Laptop (to see those values via "hterm"). The output granularity depends on the LogLevel/Debugmode setting (see Configuration Basics)

Inverter -- Modbus --> ESP <-- USB -- Laptop