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# BYD-Battery-Emulator-For-Gen24 # BYD-Battery-Emulator-For-Gen24
This software converts the LEAF CAN into Modbus RTU registers understood by solar inverters that take the BYD 11kWh HVM battery This software converts the LEAF CAN into Modbus RTU registers understood by solar inverters that accept the BYD 11kWh HVM battery
## Hardware requirements ## Hardware requirements
This code fits on the LilyGo ESP32 T-CAN485 devboard , see https://github.com/Xinyuan-LilyGO/T-CAN485 This code fits on the LilyGo ESP32 T-CAN485 devboard , see https://github.com/Xinyuan-LilyGO/T-CAN485
You will also need a Nissan LEAF battery, any model year will do
Finally, you will need a hybrid solar inverter that accepts the BYD battery communication standard, for example the Fronius Gen24
## Installation basics ## Installation basics
1. Connect one end of the LilyGo RS485 to the Gen24 Modbus 1. Connect one end of the LilyGo RS485 to the Gen24 Modbus
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Here's how to wire up the communication between the components. Here's how to wire up the communication between the components.
![alt text](https://github.com/dalathegreat/BYD-Battery-Emulator-For-Gen24/blob/main/Images/Wiring.png) ![alt text](https://github.com/dalathegreat/BYD-Battery-Emulator-For-Gen24/blob/main/Images/Wiring.png)
Here's how to connect the high voltage lines
![alt text](https://github.com/dalathegreat/BYD-Battery-Emulator-For-Gen24/blob/main/Images/HighVoltageWiring.png)
Here's how to wire up battery low voltage wiring
![alt text](https://github.com/dalathegreat/BYD-Battery-Emulator-For-Gen24/blob/main/Images/BatteryControlWiring.png)
## How to compile the software ## How to compile the software
1. Download the Arduino IDE: https://www.arduino.cc/en/software 1. Download the Arduino IDE: https://www.arduino.cc/en/software
2. When the Arduino IDE has been started; 2. When the Arduino IDE has been started;