To use your Rainforest Automation EMU-2™ Energy Monitoring Unit in Home Assistant follow the Installation and Configuration instructions.

Place the following files in config\custom_components\rainforest\:

• rainforest/__init__.py
• rainforest/sensor.py
• rainforest/manifest.json

Add the following to your configuration.yaml file:

# Example configuration.yaml entry
sensor:
  - platform: rainforest
    port: '/dev/ttyACM0'

• description: The comm port which the meter is connected to.
• required: true
• type: string

• description: The name to use when displaying this sensor.
• required: false
• type: string

• If the emu2 fails to initialize serial (e.g. pi not recognizing it, try different USB cables)
• If not running HASSIO (e.g. Ubuntu), make sure to have pyserial (via pip3 install pyserial)

• https://github.com/smakonin/RAEdataset/blob/master/EMU2_reader.py
• https://github.com/home-assistant/home-assistant/blob/master/homeassistant/components/sensor/serial.py
• https://home-assistant.io/components/sensor.date_countdown/
• https://github.com/rainforestautomation/Emu-Serial-API