emonPi - Home Energy Monitor Version

The emonPi is a web-connected, open-hardware, Raspberry Pi and Arduino-based electricity and environment monitoring unit.

Understanding Energy Consumption

• Monitor in real-time
• Review historic data
• Calculate cost
• Mobile App

Home Energy Monitor Application Guide

Monitoring Capabilities

• 2 x single-phase AC circuits using clip-on CT sensors (not included)
• 1 x VRMS measurement using plug-in AC-AC adapter (not included)
• Multiple temperature using RJ45 DS18B20 temperature sensors (not included)
• Interface directly with utility meters using Optical Pulse Sensor (not included)

 The emonPi is suitable for use on a single-phase supply, or on a split-phase supply, or on one phase of a multi-phase supply.

Includes (as standard)

• 5V Power Supply + USB cable
• Wall-mount
• SMA 433Mhz antenna

Does not include (as standard)

• Clip-on CT current sensors (additional CT's can be purchased separately) 

• AC-AC voltage sensor adapter (highly recommended for accurate readings)
• Temperature sensor
• Optical pulse sensor
• DIN rail mount

Specification

• Raspberry Pi based energy monitor
• Install next to utility meter
• Local & remote data logging with Emoncms, our open-source web-app for processing, logging and visualizing energy and other environmental data
• Requires WiFi or Ethernet plus 2 x power outlets
• Requires emonSD pre-built SD card image (included)
• CE certified
• Made in UK 
• RoHS
• Conflict material free components

Integrate

Extend functionality with:

• MQTT
• NodeRED
• OpenHAB

Learn more »

Documentation

• Setup Guide
• Technical Hardware Documentation
• emonPi Software GitHub
• emonPi Open-Hardware GitHub
• Blog Post: Embodied Energy of emonPi