Home-Automation Systems based on Raspberry PI

Documents describing a Raspberry PI based home automation solution - Documents for free download without guarantee by or liability of the author 

Surplus Power charging of EV via ABL eMH1 wallbox

- Charge current set point as function of actual PV power supply and home power demand.

- Limitation of charge current to protect tarife fuse

- Switching of single phase and tripple phase charging to minimize power drain to grid.

- Communication with Wallbox ABL eMH1 via RS 485 and MODBUS RTU

- Communication with Inverter Huawei SUN 2000 6TKL via MODBUS TCP

- Power measurement with current transducers and Raspberry Pi 8 channel A/D converter

- On/Off control and switching of phase count (single/tripple phase charging) with AC contactors and relais  board

User Interface

Build with GUIZERO


Raspberry Python Script

Python Script
How to Communicate with ABL eMH1 via MODBUS