Interfacing With EMU-2 Energy Monitor

The power utility here uses smart meters, and only a few approved devices can interface with them. Most require cloud access, which I wanted to avoid, so I had only one option: the EMU-2 by Rainforest Automation. The EMU-2 is a simple device with a display listing a set of pre-set data view options. It has a micro USB port for power and communication, and a battery for backup. Fortunately, the USB…